merge: http://www.linuxtv.org/hg/~hverkuil/v4l-dvb-radio

From: Mauro Carvalho Chehab <mchehab@redhat.com>

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

14 files changed, 2452 insertions, 2688 deletions

diff --git a/linux/drivers/media/radio/radio-aimslab.c b/linux/drivers/media/radio/radio-aimslab.c
index 384aa928f..7c3a81ad9 100644
--- a/linux/drivers/media/radio/radio-aimslab.c
+++ b/linux/drivers/media/radio/radio-aimslab.c
@@ -32,15 +32,17 @@
 #include <linux/init.h>		/* Initdata			*/
 #include <linux/ioport.h>	/* request_region		*/
 #include <linux/delay.h>	/* udelay			*/
-#include <asm/io.h>		/* outb, outb_p			*/
-#include <asm/uaccess.h>	/* copy to/from user		*/
-#include "compat.h"
 #include <linux/videodev2.h>	/* kernel radio structs		*/
-#include <media/v4l2-common.h>
+#include <linux/version.h>	/* for KERNEL_VERSION MACRO	*/
+#include <linux/io.h>		/* outb, outb_p			*/
+#include <linux/uaccess.h>	/* copy to/from user		*/
+#include <media/v4l2-device.h>
 #include <media/v4l2-ioctl.h>
+#include "compat.h"
 
-#include <linux/version.h>	/* for KERNEL_VERSION MACRO	*/
-#define RADIO_VERSION KERNEL_VERSION(0,0,2)
+MODULE_AUTHOR("M.Kirkwood");
+MODULE_DESCRIPTION("A driver for the RadioTrack/RadioReveal radio card.");
+MODULE_LICENSE("GPL");
 
 #ifndef CONFIG_RADIO_RTRACK_PORT
 #define CONFIG_RADIO_RTRACK_PORT -1
@@ -48,86 +50,95 @@
 
 static int io = CONFIG_RADIO_RTRACK_PORT;
 static int radio_nr = -1;
-static struct mutex lock;
 
-struct rt_device
+module_param(io, int, 0);
+MODULE_PARM_DESC(io, "I/O address of the RadioTrack card (0x20f or 0x30f)");
+module_param(radio_nr, int, 0);
+
+#define RADIO_VERSION KERNEL_VERSION(0, 0, 2)
+
+struct rtrack
 {
-	unsigned long in_use;
+	struct v4l2_device v4l2_dev;
+	struct video_device vdev;
 	int port;
 	int curvol;
 	unsigned long curfreq;
 	int muted;
+	int io;
+	struct mutex lock;
 };
 
+static struct rtrack rtrack_card;
 
 /* local things */
 
 static void sleep_delay(long n)
 {
 	/* Sleep nicely for 'n' uS */
-	int d=n/msecs_to_jiffies(1000);
-	if(!d)
+	int d = n / msecs_to_jiffies(1000);
+	if (!d)
 		udelay(n);
 	else
 		msleep(jiffies_to_msecs(d));
 }
 
-static void rt_decvol(void)
+static void rt_decvol(struct rtrack *rt)
 {
-	outb(0x58, io);		/* volume down + sigstr + on	*/
+	outb(0x58, rt->io);		/* volume down + sigstr + on	*/
 	sleep_delay(100000);
-	outb(0xd8, io);		/* volume steady + sigstr + on	*/
+	outb(0xd8, rt->io);		/* volume steady + sigstr + on	*/
 }
 
-static void rt_incvol(void)
+static void rt_incvol(struct rtrack *rt)
 {
-	outb(0x98, io);		/* volume up + sigstr + on	*/
+	outb(0x98, rt->io);		/* volume up + sigstr + on	*/
 	sleep_delay(100000);
-	outb(0xd8, io);		/* volume steady + sigstr + on	*/
+	outb(0xd8, rt->io);		/* volume steady + sigstr + on	*/
 }
 
-static void rt_mute(struct rt_device *dev)
+static void rt_mute(struct rtrack *rt)
 {
-	dev->muted = 1;
-	mutex_lock(&lock);
-	outb(0xd0, io);			/* volume steady, off		*/
-	mutex_unlock(&lock);
+	rt->muted = 1;
+	mutex_lock(&rt->lock);
+	outb(0xd0, rt->io);		/* volume steady, off		*/
+	mutex_unlock(&rt->lock);
 }
 
-static int rt_setvol(struct rt_device *dev, int vol)
+static int rt_setvol(struct rtrack *rt, int vol)
 {
 	int i;
 
-	mutex_lock(&lock);
+	mutex_lock(&rt->lock);
 
-	if(vol == dev->curvol) {	/* requested volume = current */
-		if (dev->muted) {	/* user is unmuting the card  */
-			dev->muted = 0;
-			outb (0xd8, io);	/* enable card */
+	if (vol == rt->curvol) {	/* requested volume = current */
+		if (rt->muted) {	/* user is unmuting the card  */
+			rt->muted = 0;
+			outb(0xd8, rt->io);	/* enable card */
 		}
-		mutex_unlock(&lock);
+		mutex_unlock(&rt->lock);
 		return 0;
 	}
 
-	if(vol == 0) {			/* volume = 0 means mute the card */
-		outb(0x48, io);		/* volume down but still "on"	*/
+	if (vol == 0) {			/* volume = 0 means mute the card */
+		outb(0x48, rt->io);	/* volume down but still "on"	*/
 		sleep_delay(2000000);	/* make sure it's totally down	*/
-		outb(0xd0, io);		/* volume steady, off		*/
-		dev->curvol = 0;	/* track the volume state!	*/
-		mutex_unlock(&lock);
+		outb(0xd0, rt->io);	/* volume steady, off		*/
+		rt->curvol = 0;		/* track the volume state!	*/
+		mutex_unlock(&rt->lock);
 		return 0;
 	}
 
-	dev->muted = 0;
-	if(vol > dev->curvol)
-		for(i = dev->curvol; i < vol; i++)
-			rt_incvol();
+	rt->muted = 0;
+	if (vol > rt->curvol)
+		for (i = rt->curvol; i < vol; i++)
+			rt_incvol(rt);
 	else
-		for(i = dev->curvol; i > vol; i--)
-			rt_decvol();
+		for (i = rt->curvol; i > vol; i--)
+			rt_decvol(rt);
 
-	dev->curvol = vol;
-	mutex_unlock(&lock);
+	rt->curvol = vol;
+	mutex_unlock(&rt->lock);
 	return 0;
 }
 
@@ -136,155 +147,137 @@ static int rt_setvol(struct rt_device *dev, int vol)
  * and bit 4 (+16) is to keep the signal strength meter enabled
  */
 
-static void send_0_byte(int port, struct rt_device *dev)
+static void send_0_byte(struct rtrack *rt)
 {
-	if ((dev->curvol == 0) || (dev->muted)) {
-		outb_p(128+64+16+  1, port);   /* wr-enable + data low */
-		outb_p(128+64+16+2+1, port);   /* clock */
+	if (rt->curvol == 0 || rt->muted) {
+		outb_p(128+64+16+  1, rt->io);   /* wr-enable + data low */
+		outb_p(128+64+16+2+1, rt->io);   /* clock */
 	}
 	else {
-		outb_p(128+64+16+8+  1, port);  /* on + wr-enable + data low */
-		outb_p(128+64+16+8+2+1, port);  /* clock */
+		outb_p(128+64+16+8+  1, rt->io);  /* on + wr-enable + data low */
+		outb_p(128+64+16+8+2+1, rt->io);  /* clock */
 	}
 	sleep_delay(1000);
 }
 
-static void send_1_byte(int port, struct rt_device *dev)
+static void send_1_byte(struct rtrack *rt)
 {
-	if ((dev->curvol == 0) || (dev->muted)) {
-		outb_p(128+64+16+4  +1, port);   /* wr-enable+data high */
-		outb_p(128+64+16+4+2+1, port);   /* clock */
+	if (rt->curvol == 0 || rt->muted) {
+		outb_p(128+64+16+4  +1, rt->io);   /* wr-enable+data high */
+		outb_p(128+64+16+4+2+1, rt->io);   /* clock */
 	}
 	else {
-		outb_p(128+64+16+8+4  +1, port); /* on+wr-enable+data high */
-		outb_p(128+64+16+8+4+2+1, port); /* clock */
+		outb_p(128+64+16+8+4  +1, rt->io); /* on+wr-enable+data high */
+		outb_p(128+64+16+8+4+2+1, rt->io); /* clock */
 	}
 
 	sleep_delay(1000);
 }
 
-static int rt_setfreq(struct rt_device *dev, unsigned long freq)
+static int rt_setfreq(struct rtrack *rt, unsigned long freq)
 {
 	int i;
 
-	/* adapted from radio-aztech.c */
+	mutex_lock(&rt->lock);			/* Stop other ops interfering */
+
+	rt->curfreq = freq;
 
 	/* now uses VIDEO_TUNER_LOW for fine tuning */
 
 	freq += 171200;			/* Add 10.7 MHz IF 		*/
 	freq /= 800;			/* Convert to 50 kHz units	*/
 
-	mutex_lock(&lock);			/* Stop other ops interfering */
-
-	send_0_byte (io, dev);		/*  0: LSB of frequency		*/
+	send_0_byte(rt);		/*  0: LSB of frequency		*/
 
 	for (i = 0; i < 13; i++)	/*   : frequency bits (1-13)	*/
 		if (freq & (1 << i))
-			send_1_byte (io, dev);
+			send_1_byte(rt);
 		else
-			send_0_byte (io, dev);
+			send_0_byte(rt);
 
-	send_0_byte (io, dev);		/* 14: test bit - always 0    */
-	send_0_byte (io, dev);		/* 15: test bit - always 0    */
+	send_0_byte(rt);		/* 14: test bit - always 0    */
+	send_0_byte(rt);		/* 15: test bit - always 0    */
 
-	send_0_byte (io, dev);		/* 16: band data 0 - always 0 */
-	send_0_byte (io, dev);		/* 17: band data 1 - always 0 */
-	send_0_byte (io, dev);		/* 18: band data 2 - always 0 */
-	send_0_byte (io, dev);		/* 19: time base - always 0   */
+	send_0_byte(rt);		/* 16: band data 0 - always 0 */
+	send_0_byte(rt);		/* 17: band data 1 - always 0 */
+	send_0_byte(rt);		/* 18: band data 2 - always 0 */
+	send_0_byte(rt);		/* 19: time base - always 0   */
 
-	send_0_byte (io, dev);		/* 20: spacing (0 = 25 kHz)   */
-	send_1_byte (io, dev);		/* 21: spacing (1 = 25 kHz)   */
-	send_0_byte (io, dev);		/* 22: spacing (0 = 25 kHz)   */
-	send_1_byte (io, dev);		/* 23: AM/FM (FM = 1, always) */
+	send_0_byte(rt);		/* 20: spacing (0 = 25 kHz)   */
+	send_1_byte(rt);		/* 21: spacing (1 = 25 kHz)   */
+	send_0_byte(rt);		/* 22: spacing (0 = 25 kHz)   */
+	send_1_byte(rt);		/* 23: AM/FM (FM = 1, always) */
 
-	if ((dev->curvol == 0) || (dev->muted))
-		outb (0xd0, io);	/* volume steady + sigstr */
+	if (rt->curvol == 0 || rt->muted)
+		outb(0xd0, rt->io);	/* volume steady + sigstr */
 	else
-		outb (0xd8, io);	/* volume steady + sigstr + on */
+		outb(0xd8, rt->io);	/* volume steady + sigstr + on */
 
-	mutex_unlock(&lock);
+	mutex_unlock(&rt->lock);
 
 	return 0;
 }
 
-static int rt_getsigstr(struct rt_device *dev)
+static int rt_getsigstr(struct rtrack *rt)
 {
-	if (inb(io) & 2)	/* bit set = no signal present	*/
-		return 0;
-	return 1;		/* signal present		*/
-}
+	int sig = 1;
 
-static struct v4l2_queryctrl radio_qctrl[] = {
-	{
-		.id            = V4L2_CID_AUDIO_MUTE,
-		.name          = "Mute",
-		.minimum       = 0,
-		.maximum       = 1,
-		.default_value = 1,
-		.type          = V4L2_CTRL_TYPE_BOOLEAN,
-	},{
-		.id            = V4L2_CID_AUDIO_VOLUME,
-		.name          = "Volume",
-		.minimum       = 0,
-		.maximum       = 0xff,
-		.step          = 1,
-		.default_value = 0xff,
-		.type          = V4L2_CTRL_TYPE_INTEGER,
-	}
-};
+	mutex_lock(&rt->lock);
+	if (inb(rt->io) & 2)	/* bit set = no signal present	*/
+		sig = 0;
+	mutex_unlock(&rt->lock);
+	return sig;
+}
 
 static int vidioc_querycap(struct file *file, void  *priv,
 					struct v4l2_capability *v)
 {
 	strlcpy(v->driver, "radio-aimslab", sizeof(v->driver));
 	strlcpy(v->card, "RadioTrack", sizeof(v->card));
-	sprintf(v->bus_info, "ISA");
+	strlcpy(v->bus_info, "ISA", sizeof(v->bus_info));
 	v->version = RADIO_VERSION;
-	v->capabilities = V4L2_CAP_TUNER;
+	v->capabilities = V4L2_CAP_TUNER | V4L2_CAP_RADIO;
 	return 0;
 }
 
 static int vidioc_g_tuner(struct file *file, void *priv,
 					struct v4l2_tuner *v)
 {
-	struct rt_device *rt = video_drvdata(file);
+	struct rtrack *rt = video_drvdata(file);
 
 	if (v->index > 0)
 		return -EINVAL;
 
-	strcpy(v->name, "FM");
+	strlcpy(v->name, "FM", sizeof(v->name));
 	v->type = V4L2_TUNER_RADIO;
-	v->rangelow = (87*16000);
-	v->rangehigh = (108*16000);
+	v->rangelow = 87 * 16000;
+	v->rangehigh = 108 * 16000;
 	v->rxsubchans = V4L2_TUNER_SUB_MONO;
 	v->capability = V4L2_TUNER_CAP_LOW;
 	v->audmode = V4L2_TUNER_MODE_MONO;
-	v->signal = 0xffff*rt_getsigstr(rt);
+	v->signal = 0xffff * rt_getsigstr(rt);
 	return 0;
 }
 
 static int vidioc_s_tuner(struct file *file, void *priv,
 					struct v4l2_tuner *v)
 {
-	if (v->index > 0)
-		return -EINVAL;
-	return 0;
+	return v->index ? -EINVAL : 0;
 }
 
 static int vidioc_s_frequency(struct file *file, void *priv,
 					struct v4l2_frequency *f)
 {
-	struct rt_device *rt = video_drvdata(file);
+	struct rtrack *rt = video_drvdata(file);
 
-	rt->curfreq = f->frequency;
-	rt_setfreq(rt, rt->curfreq);
+	rt_setfreq(rt, f->frequency);
 	return 0;
 }
 
 static int vidioc_g_frequency(struct file *file, void *priv,
 					struct v4l2_frequency *f)
 {
-	struct rt_device *rt = video_drvdata(file);
+	struct rtrack *rt = video_drvdata(file);
 
 	f->type = V4L2_TUNER_RADIO;
 	f->frequency = rt->curfreq;
@@ -294,14 +287,11 @@ static int vidioc_g_frequency(struct file *file, void *priv,
 static int vidioc_queryctrl(struct file *file, void *priv,
 					struct v4l2_queryctrl *qc)
 {
-	int i;
-
-	for (i = 0; i < ARRAY_SIZE(radio_qctrl); i++) {
-		if (qc->id && qc->id == radio_qctrl[i].id) {
-			memcpy(qc, &(radio_qctrl[i]),
-						sizeof(*qc));
-			return 0;
-		}
+	switch (qc->id) {
+	case V4L2_CID_AUDIO_MUTE:
+		return v4l2_ctrl_query_fill(qc, 0, 1, 1, 1);
+	case V4L2_CID_AUDIO_VOLUME:
+		return v4l2_ctrl_query_fill(qc, 0, 0xff, 1, 0xff);
 	}
 	return -EINVAL;
 }
@@ -309,14 +299,14 @@ static int vidioc_queryctrl(struct file *file, void *priv,
 static int vidioc_g_ctrl(struct file *file, void *priv,
 					struct v4l2_control *ctrl)
 {
-	struct rt_device *rt = video_drvdata(file);
+	struct rtrack *rt = video_drvdata(file);
 
 	switch (ctrl->id) {
 	case V4L2_CID_AUDIO_MUTE:
 		ctrl->value = rt->muted;
 		return 0;
 	case V4L2_CID_AUDIO_VOLUME:
-		ctrl->value = rt->curvol * 6554;
+		ctrl->value = rt->curvol;
 		return 0;
 	}
 	return -EINVAL;
@@ -325,33 +315,22 @@ static int vidioc_g_ctrl(struct file *file, void *priv,
 static int vidioc_s_ctrl(struct file *file, void *priv,
 					struct v4l2_control *ctrl)
 {
-	struct rt_device *rt = video_drvdata(file);
+	struct rtrack *rt = video_drvdata(file);
 
 	switch (ctrl->id) {
 	case V4L2_CID_AUDIO_MUTE:
 		if (ctrl->value)
 			rt_mute(rt);
 		else
-			rt_setvol(rt,rt->curvol);
+			rt_setvol(rt, rt->curvol);
 		return 0;
 	case V4L2_CID_AUDIO_VOLUME:
-		rt_setvol(rt,ctrl->value);
+		rt_setvol(rt, ctrl->value);
 		return 0;
 	}
 	return -EINVAL;
 }
 
-static int vidioc_g_audio (struct file *file, void *priv,
-					struct v4l2_audio *a)
-{
-	if (a->index > 1)
-		return -EINVAL;
-
-	strcpy(a->name, "Radio");
-	a->capability = V4L2_AUDCAP_STEREO;
-	return 0;
-}
-
 static int vidioc_g_input(struct file *filp, void *priv, unsigned int *i)
 {
 	*i = 0;
@@ -360,36 +339,38 @@ static int vidioc_g_input(struct file *filp, void *priv, unsigned int *i)
 
 static int vidioc_s_input(struct file *filp, void *priv, unsigned int i)
 {
-	if (i != 0)
-		return -EINVAL;
-	return 0;
+	return i ? -EINVAL : 0;
 }
 
-static int vidioc_s_audio(struct file *file, void *priv,
+static int vidioc_g_audio(struct file *file, void *priv,
 					struct v4l2_audio *a)
 {
-	if (a->index != 0)
-		return -EINVAL;
+	a->index = 0;
+	strlcpy(a->name, "Radio", sizeof(a->name));
+	a->capability = V4L2_AUDCAP_STEREO;
 	return 0;
 }
 
-static struct rt_device rtrack_unit;
+static int vidioc_s_audio(struct file *file, void *priv,
+					struct v4l2_audio *a)
+{
+	return a->index ? -EINVAL : 0;
+}
 
-static int rtrack_exclusive_open(struct file *file)
+static int rtrack_open(struct file *file)
 {
-	return test_and_set_bit(0, &rtrack_unit.in_use) ? -EBUSY : 0;
+	return 0;
 }
 
-static int rtrack_exclusive_release(struct file *file)
+static int rtrack_release(struct file *file)
 {
-	clear_bit(0, &rtrack_unit.in_use);
 	return 0;
 }
 
 static const struct v4l2_file_operations rtrack_fops = {
 	.owner		= THIS_MODULE,
-	.open           = rtrack_exclusive_open,
-	.release        = rtrack_exclusive_release,
+	.open           = rtrack_open,
+	.release        = rtrack_release,
 	.ioctl		= video_ioctl2,
 };
 
@@ -408,64 +389,69 @@ static const struct v4l2_ioctl_ops rtrack_ioctl_ops = {
 	.vidioc_s_ctrl      = vidioc_s_ctrl,
 };
 
-static struct video_device rtrack_radio = {
-	.name		= "RadioTrack radio",
-	.fops           = &rtrack_fops,
-	.ioctl_ops 	= &rtrack_ioctl_ops,
-	.release	= video_device_release_empty,
-};
-
 static int __init rtrack_init(void)
 {
-	if(io==-1)
-	{
-		printk(KERN_ERR "You must set an I/O address with io=0x???\n");
+	struct rtrack *rt = &rtrack_card;
+	struct v4l2_device *v4l2_dev = &rt->v4l2_dev;
+	int res;
+
+	strlcpy(v4l2_dev->name, "rtrack", sizeof(v4l2_dev->name));
+	rt->io = io;
+
+	if (rt->io == -1) {
+		v4l2_err(v4l2_dev, "you must set an I/O address with io=0x20f or 0x30f\n");
 		return -EINVAL;
 	}
 
-	if (!request_region(io, 2, "rtrack"))
-	{
-		printk(KERN_ERR "rtrack: port 0x%x already in use\n", io);
+	if (!request_region(rt->io, 2, "rtrack")) {
+		v4l2_err(v4l2_dev, "port 0x%x already in use\n", rt->io);
 		return -EBUSY;
 	}
 
-	video_set_drvdata(&rtrack_radio, &rtrack_unit);
+	res = v4l2_device_register(NULL, v4l2_dev);
+	if (res < 0) {
+		release_region(rt->io, 2);
+		v4l2_err(v4l2_dev, "could not register v4l2_device\n");
+		return res;
+	}
+
+	strlcpy(rt->vdev.name, v4l2_dev->name, sizeof(rt->vdev.name));
+	rt->vdev.v4l2_dev = v4l2_dev;
+	rt->vdev.fops = &rtrack_fops;
+	rt->vdev.ioctl_ops = &rtrack_ioctl_ops;
+	rt->vdev.release = video_device_release_empty;
+	video_set_drvdata(&rt->vdev, rt);
 
-	if (video_register_device(&rtrack_radio, VFL_TYPE_RADIO, radio_nr) < 0) {
-		release_region(io, 2);
+	if (video_register_device(&rt->vdev, VFL_TYPE_RADIO, radio_nr) < 0) {
+		v4l2_device_unregister(&rt->v4l2_dev);
+		release_region(rt->io, 2);
 		return -EINVAL;
 	}
-	printk(KERN_INFO "AIMSlab RadioTrack/RadioReveal card driver.\n");
+	v4l2_info(v4l2_dev, "AIMSlab RadioTrack/RadioReveal card driver.\n");
 
 	/* Set up the I/O locking */
 
-	mutex_init(&lock);
+	mutex_init(&rt->lock);
 
 	/* mute card - prevents noisy bootups */
 
 	/* this ensures that the volume is all the way down  */
-	outb(0x48, io);		/* volume down but still "on"	*/
+	outb(0x48, rt->io);		/* volume down but still "on"	*/
 	sleep_delay(2000000);	/* make sure it's totally down	*/
-	outb(0xc0, io);		/* steady volume, mute card	*/
-	rtrack_unit.curvol = 0;
+	outb(0xc0, rt->io);		/* steady volume, mute card	*/
 
 	return 0;
 }
 
-MODULE_AUTHOR("M.Kirkwood");
-MODULE_DESCRIPTION("A driver for the RadioTrack/RadioReveal radio card.");
-MODULE_LICENSE("GPL");
-
-module_param(io, int, 0);
-MODULE_PARM_DESC(io, "I/O address of the RadioTrack card (0x20f or 0x30f)");
-module_param(radio_nr, int, 0);
-
-static void __exit cleanup_rtrack_module(void)
+static void __exit rtrack_exit(void)
 {
-	video_unregister_device(&rtrack_radio);
-	release_region(io,2);
+	struct rtrack *rt = &rtrack_card;
+
+	video_unregister_device(&rt->vdev);
+	v4l2_device_unregister(&rt->v4l2_dev);
+	release_region(rt->io, 2);
 }
 
 module_init(rtrack_init);
-module_exit(cleanup_rtrack_module);
+module_exit(rtrack_exit);
 
diff --git a/linux/drivers/media/radio/radio-aztech.c b/linux/drivers/media/radio/radio-aztech.c
index d4d5babcd..8826b90a3 100644
--- a/linux/drivers/media/radio/radio-aztech.c
+++ b/linux/drivers/media/radio/radio-aztech.c
@@ -29,34 +29,17 @@
 #include <linux/init.h>		/* Initdata			*/
 #include <linux/ioport.h>	/* request_region		*/
 #include <linux/delay.h>	/* udelay			*/
-#include <asm/io.h>		/* outb, outb_p			*/
-#include <asm/uaccess.h>	/* copy to/from user		*/
-#include "compat.h"
 #include <linux/videodev2.h>	/* kernel radio structs		*/
-#include <media/v4l2-common.h>
+#include <linux/version.h>      /* for KERNEL_VERSION MACRO     */
+#include <linux/io.h>		/* outb, outb_p			*/
+#include <linux/uaccess.h>	/* copy to/from user		*/
+#include <media/v4l2-device.h>
 #include <media/v4l2-ioctl.h>
+#include "compat.h"
 
-#include <linux/version.h>      /* for KERNEL_VERSION MACRO     */
-#define RADIO_VERSION KERNEL_VERSION(0,0,2)
-
-static struct v4l2_queryctrl radio_qctrl[] = {
-	{
-		.id            = V4L2_CID_AUDIO_MUTE,
-		.name          = "Mute",
-		.minimum       = 0,
-		.maximum       = 1,
-		.default_value = 1,
-		.type          = V4L2_CTRL_TYPE_BOOLEAN,
-	},{
-		.id            = V4L2_CID_AUDIO_VOLUME,
-		.name          = "Volume",
-		.minimum       = 0,
-		.maximum       = 0xff,
-		.step          = 1,
-		.default_value = 0xff,
-		.type          = V4L2_CTRL_TYPE_INTEGER,
-	}
-};
+MODULE_AUTHOR("Russell Kroll, Quay Lu, Donald Song, Jason Lewis, Scott McGrath, William McGrath");
+MODULE_DESCRIPTION("A driver for the Aztech radio card.");
+MODULE_LICENSE("GPL");
 
 /* acceptable ports: 0x350 (JP3 shorted), 0x358 (JP3 open) */
 
@@ -67,55 +50,64 @@ static struct v4l2_queryctrl radio_qctrl[] = {
 static int io = CONFIG_RADIO_AZTECH_PORT;
 static int radio_nr = -1;
 static int radio_wait_time = 1000;
-static struct mutex lock;
 
-struct az_device
+module_param(io, int, 0);
+module_param(radio_nr, int, 0);
+MODULE_PARM_DESC(io, "I/O address of the Aztech card (0x350 or 0x358)");
+
+#define RADIO_VERSION KERNEL_VERSION(0, 0, 2)
+
+struct aztech
 {
-	unsigned long in_use;
+	struct v4l2_device v4l2_dev;
+	struct video_device vdev;
+	int io;
 	int curvol;
 	unsigned long curfreq;
 	int stereo;
+	struct mutex lock;
 };
 
+static struct aztech aztech_card;
+
 static int volconvert(int level)
 {
-	level>>=14;		/* Map 16bits down to 2 bit */
-	level&=3;
+	level >>= 14;		/* Map 16bits down to 2 bit */
+	level &= 3;
 
 	/* convert to card-friendly values */
-	switch (level)
-	{
-		case 0:
-			return 0;
-		case 1:
-			return 1;
-		case 2:
-			return 4;
-		case 3:
-			return 5;
+	switch (level) {
+	case 0:
+		return 0;
+	case 1:
+		return 1;
+	case 2:
+		return 4;
+	case 3:
+		return 5;
 	}
 	return 0;	/* Quieten gcc */
 }
 
-static void send_0_byte (struct az_device *dev)
+static void send_0_byte(struct aztech *az)
 {
 	udelay(radio_wait_time);
-	outb_p(2+volconvert(dev->curvol), io);
-	outb_p(64+2+volconvert(dev->curvol), io);
+	outb_p(2 + volconvert(az->curvol), az->io);
+	outb_p(64 + 2 + volconvert(az->curvol), az->io);
 }
 
-static void send_1_byte (struct az_device *dev)
+static void send_1_byte(struct aztech *az)
 {
 	udelay (radio_wait_time);
-	outb_p(128+2+volconvert(dev->curvol), io);
-	outb_p(128+64+2+volconvert(dev->curvol), io);
+	outb_p(128 + 2 + volconvert(az->curvol), az->io);
+	outb_p(128 + 64 + 2 + volconvert(az->curvol), az->io);
 }
 
-static int az_setvol(struct az_device *dev, int vol)
+static int az_setvol(struct aztech *az, int vol)
 {
-	mutex_lock(&lock);
-	outb (volconvert(vol), io);
-	mutex_unlock(&lock);
+	mutex_lock(&az->lock);
+	outb(volconvert(vol), az->io);
+	mutex_unlock(&az->lock);
 	return 0;
 }
 
@@ -127,116 +119,110 @@ static int az_setvol(struct az_device *dev, int vol)
  *
  */
 
-static int az_getsigstr(struct az_device *dev)
+static int az_getsigstr(struct aztech *az)
 {
-	if (inb(io) & 2)	/* bit set = no signal present */
-		return 0;
-	return 1;		/* signal present */
+	int sig = 1;
+
+	mutex_lock(&az->lock);
+	if (inb(az->io) & 2)	/* bit set = no signal present */
+		sig = 0;
+	mutex_unlock(&az->lock);
+	return sig;
 }
 
-static int az_getstereo(struct az_device *dev)
+static int az_getstereo(struct aztech *az)
 {
-	if (inb(io) & 1) 	/* bit set = mono */
-		return 0;
-	return 1;		/* stereo */
+	int stereo = 1;
+
+	mutex_lock(&az->lock);
+	if (inb(az->io) & 1) 	/* bit set = mono */
+		stereo = 0;
+	mutex_unlock(&az->lock);
+	return stereo;
 }
 
-static int az_setfreq(struct az_device *dev, unsigned long frequency)
+static int az_setfreq(struct aztech *az, unsigned long frequency)
 {
 	int  i;
 
+	mutex_lock(&az->lock);
+
+	az->curfreq = frequency;
 	frequency += 171200;		/* Add 10.7 MHz IF		*/
 	frequency /= 800;		/* Convert to 50 kHz units	*/
 
-	mutex_lock(&lock);
-
-	send_0_byte (dev);		/*  0: LSB of frequency       */
+	send_0_byte(az);		/*  0: LSB of frequency       */
 
 	for (i = 0; i < 13; i++)	/*   : frequency bits (1-13)  */
 		if (frequency & (1 << i))
-			send_1_byte (dev);
+			send_1_byte(az);
 		else
-			send_0_byte (dev);
+			send_0_byte(az);
 
-	send_0_byte (dev);		/* 14: test bit - always 0    */
-	send_0_byte (dev);		/* 15: test bit - always 0    */
-	send_0_byte (dev);		/* 16: band data 0 - always 0 */
-	if (dev->stereo)		/* 17: stereo (1 to enable)   */
-		send_1_byte (dev);
+	send_0_byte(az);		/* 14: test bit - always 0    */
+	send_0_byte(az);		/* 15: test bit - always 0    */
+	send_0_byte(az);		/* 16: band data 0 - always 0 */
+	if (az->stereo)		/* 17: stereo (1 to enable)   */
+		send_1_byte(az);
 	else
-		send_0_byte (dev);
+		send_0_byte(az);
 
-	send_1_byte (dev);		/* 18: band data 1 - unknown  */
-	send_0_byte (dev);		/* 19: time base - always 0   */
-	send_0_byte (dev);		/* 20: spacing (0 = 25 kHz)   */
-	send_1_byte (dev);		/* 21: spacing (1 = 25 kHz)   */
-	send_0_byte (dev);		/* 22: spacing (0 = 25 kHz)   */
-	send_1_byte (dev);		/* 23: AM/FM (FM = 1, always) */
+	send_1_byte(az);		/* 18: band data 1 - unknown  */
+	send_0_byte(az);		/* 19: time base - always 0   */
+	send_0_byte(az);		/* 20: spacing (0 = 25 kHz)   */
+	send_1_byte(az);		/* 21: spacing (1 = 25 kHz)   */
+	send_0_byte(az);		/* 22: spacing (0 = 25 kHz)   */
+	send_1_byte(az);		/* 23: AM/FM (FM = 1, always) */
 
 	/* latch frequency */
 
-	udelay (radio_wait_time);
-	outb_p(128+64+volconvert(dev->curvol), io);
+	udelay(radio_wait_time);
+	outb_p(128 + 64 + volconvert(az->curvol), az->io);
 
-	mutex_unlock(&lock);
+	mutex_unlock(&az->lock);
 
 	return 0;
 }
 
-static int vidioc_querycap (struct file *file, void  *priv,
+static int vidioc_querycap(struct file *file, void  *priv,
 					struct v4l2_capability *v)
 {
-	strlcpy(v->driver, "radio-aztech", sizeof (v->driver));
-	strlcpy(v->card, "Aztech Radio", sizeof (v->card));
-	sprintf(v->bus_info,"ISA");
+	strlcpy(v->driver, "radio-aztech", sizeof(v->driver));
+	strlcpy(v->card, "Aztech Radio", sizeof(v->card));
+	strlcpy(v->bus_info, "ISA", sizeof(v->bus_info));
 	v->version = RADIO_VERSION;
-	v->capabilities = V4L2_CAP_TUNER;
+	v->capabilities = V4L2_CAP_TUNER | V4L2_CAP_RADIO;
 	return 0;
 }
 
-static int vidioc_g_tuner (struct file *file, void *priv,
+static int vidioc_g_tuner(struct file *file, void *priv,
 				struct v4l2_tuner *v)
 {
-	struct az_device *az = video_drvdata(file);
+	struct aztech *az = video_drvdata(file);
 
 	if (v->index > 0)
 		return -EINVAL;
 
-	strcpy(v->name, "FM");
+	strlcpy(v->name, "FM", sizeof(v->name));
 	v->type = V4L2_TUNER_RADIO;
 
-	v->rangelow=(87*16000);
-	v->rangehigh=(108*16000);
-	v->rxsubchans =V4L2_TUNER_SUB_MONO|V4L2_TUNER_SUB_STEREO;
-	v->capability=V4L2_TUNER_CAP_LOW;
-	if(az_getstereo(az))
+	v->rangelow = 87 * 16000;
+	v->rangehigh = 108 * 16000;
+	v->rxsubchans = V4L2_TUNER_SUB_MONO | V4L2_TUNER_SUB_STEREO;
+	v->capability = V4L2_TUNER_CAP_LOW;
+	if (az_getstereo(az))
 		v->audmode = V4L2_TUNER_MODE_STEREO;
 	else
 		v->audmode = V4L2_TUNER_MODE_MONO;
-	v->signal=0xFFFF*az_getsigstr(az);
+	v->signal = 0xFFFF * az_getsigstr(az);
 
 	return 0;
 }
 
-
-static int vidioc_s_tuner (struct file *file, void *priv,
+static int vidioc_s_tuner(struct file *file, void *priv,
 				struct v4l2_tuner *v)
 {
-	if (v->index > 0)
-		return -EINVAL;
-
-	return 0;
-}
-
-static int vidioc_g_audio (struct file *file, void *priv,
-			   struct v4l2_audio *a)
-{
-	if (a->index > 1)
-		return -EINVAL;
-
-	strcpy(a->name, "Radio");
-	a->capability = V4L2_AUDCAP_STEREO;
-	return 0;
+	return v->index ? -EINVAL : 0;
 }
 
 static int vidioc_g_input(struct file *filp, void *priv, unsigned int *i)
@@ -247,113 +233,107 @@ static int vidioc_g_input(struct file *filp, void *priv, unsigned int *i)
 
 static int vidioc_s_input(struct file *filp, void *priv, unsigned int i)
 {
-	if (i != 0)
-		return -EINVAL;
-	return 0;
+	return i ? -EINVAL : 0;
 }
 
-
-static int vidioc_s_audio (struct file *file, void *priv,
+static int vidioc_g_audio(struct file *file, void *priv,
 			   struct v4l2_audio *a)
 {
-	if (a->index != 0)
-		return -EINVAL;
-
+	a->index = 0;
+	strlcpy(a->name, "Radio", sizeof(a->name));
+	a->capability = V4L2_AUDCAP_STEREO;
 	return 0;
 }
 
-static int vidioc_s_frequency (struct file *file, void *priv,
+static int vidioc_s_audio(struct file *file, void *priv,
+			   struct v4l2_audio *a)
+{
+	return a->index ? -EINVAL : 0;
+}
+
+static int vidioc_s_frequency(struct file *file, void *priv,
 				struct v4l2_frequency *f)
 {
-	struct az_device *az = video_drvdata(file);
+	struct aztech *az = video_drvdata(file);
 
-	az->curfreq = f->frequency;
-	az_setfreq(az, az->curfreq);
+	az_setfreq(az, f->frequency);
 	return 0;
 }
 
-static int vidioc_g_frequency (struct file *file, void *priv,
+static int vidioc_g_frequency(struct file *file, void *priv,
 				struct v4l2_frequency *f)
 {
-	struct az_device *az = video_drvdata(file);
+	struct aztech *az = video_drvdata(file);
 
 	f->type = V4L2_TUNER_RADIO;
 	f->frequency = az->curfreq;
-
 	return 0;
 }
 
-static int vidioc_queryctrl (struct file *file, void *priv,
+static int vidioc_queryctrl(struct file *file, void *priv,
 			    struct v4l2_queryctrl *qc)
 {
-	int i;
-
-	for (i = 0; i < ARRAY_SIZE(radio_qctrl); i++) {
-		if (qc->id && qc->id == radio_qctrl[i].id) {
-			memcpy(qc, &(radio_qctrl[i]),
-						sizeof(*qc));
-			return (0);
-		}
+	switch (qc->id) {
+	case V4L2_CID_AUDIO_MUTE:
+		return v4l2_ctrl_query_fill(qc, 0, 1, 1, 1);
+	case V4L2_CID_AUDIO_VOLUME:
+		return v4l2_ctrl_query_fill(qc, 0, 0xff, 1, 0xff);
 	}
 	return -EINVAL;
 }
 
-static int vidioc_g_ctrl (struct file *file, void *priv,
+static int vidioc_g_ctrl(struct file *file, void *priv,
 			    struct v4l2_control *ctrl)
 {
-	struct az_device *az = video_drvdata(file);
+	struct aztech *az = video_drvdata(file);
 
 	switch (ctrl->id) {
-		case V4L2_CID_AUDIO_MUTE:
-			if (az->curvol==0)
-				ctrl->value=1;
-			else
-				ctrl->value=0;
-			return (0);
-		case V4L2_CID_AUDIO_VOLUME:
-			ctrl->value=az->curvol * 6554;
-			return (0);
+	case V4L2_CID_AUDIO_MUTE:
+		if (az->curvol == 0)
+			ctrl->value = 1;
+		else
+			ctrl->value = 0;
+		return 0;
+	case V4L2_CID_AUDIO_VOLUME:
+		ctrl->value = az->curvol * 6554;
+		return 0;
 	}
 	return -EINVAL;
 }
 
-static int vidioc_s_ctrl (struct file *file, void *priv,
+static int vidioc_s_ctrl(struct file *file, void *priv,
 			    struct v4l2_control *ctrl)
 {
-	struct az_device *az = video_drvdata(file);
+	struct aztech *az = video_drvdata(file);
 
 	switch (ctrl->id) {
-		case V4L2_CID_AUDIO_MUTE:
-			if (ctrl->value) {
-				az_setvol(az,0);
-			} else {
-				az_setvol(az,az->curvol);
-			}
-			return (0);
-		case V4L2_CID_AUDIO_VOLUME:
-			az_setvol(az,ctrl->value);
-			return (0);
+	case V4L2_CID_AUDIO_MUTE:
+		if (ctrl->value)
+			az_setvol(az, 0);
+		else
+			az_setvol(az, az->curvol);
+		return 0;
+	case V4L2_CID_AUDIO_VOLUME:
+		az_setvol(az, ctrl->value);
+		return 0;
 	}
 	return -EINVAL;
 }
 
-static struct az_device aztech_unit;
-
-static int aztech_exclusive_open(struct file *file)
+static int aztech_open(struct file *file)
 {
-	return test_and_set_bit(0, &aztech_unit.in_use) ? -EBUSY : 0;
+	return 0;
 }
 
-static int aztech_exclusive_release(struct file *file)
+static int aztech_release(struct file *file)
 {
-	clear_bit(0, &aztech_unit.in_use);
 	return 0;
 }
 
 static const struct v4l2_file_operations aztech_fops = {
 	.owner		= THIS_MODULE,
-	.open           = aztech_exclusive_open,
-	.release        = aztech_exclusive_release,
+	.open           = aztech_open,
+	.release        = aztech_release,
 	.ioctl		= video_ioctl2,
 };
 
@@ -372,57 +352,60 @@ static const struct v4l2_ioctl_ops aztech_ioctl_ops = {
 	.vidioc_s_ctrl      = vidioc_s_ctrl,
 };
 
-static struct video_device aztech_radio = {
-	.name		= "Aztech radio",
-	.fops           = &aztech_fops,
-	.ioctl_ops 	= &aztech_ioctl_ops,
-	.release	= video_device_release_empty,
-};
-
-module_param_named(debug,aztech_radio.debug, int, 0644);
-MODULE_PARM_DESC(debug,"activates debug info");
-
 static int __init aztech_init(void)
 {
-	if(io==-1)
-	{
-		printk(KERN_ERR "You must set an I/O address with io=0x???\n");
+	struct aztech *az = &aztech_card;
+	struct v4l2_device *v4l2_dev = &az->v4l2_dev;
+	int res;
+
+	strlcpy(v4l2_dev->name, "aztech", sizeof(v4l2_dev->name));
+	az->io = io;
+
+	if (az->io == -1) {
+		v4l2_err(v4l2_dev, "you must set an I/O address with io=0x350 or 0x358\n");
 		return -EINVAL;
 	}
 
-	if (!request_region(io, 2, "aztech"))
-	{
-		printk(KERN_ERR "aztech: port 0x%x already in use\n", io);
+	if (!request_region(az->io, 2, "aztech")) {
+		v4l2_err(v4l2_dev, "port 0x%x already in use\n", az->io);
 		return -EBUSY;
 	}
 
-	mutex_init(&lock);
-	video_set_drvdata(&aztech_radio, &aztech_unit);
+	res = v4l2_device_register(NULL, v4l2_dev);
+	if (res < 0) {
+		release_region(az->io, 2);
+		v4l2_err(v4l2_dev, "Could not register v4l2_device\n");
+		return res;
+	}
 
-	if (video_register_device(&aztech_radio, VFL_TYPE_RADIO, radio_nr) < 0) {
-		release_region(io,2);
+	mutex_init(&az->lock);
+	strlcpy(az->vdev.name, v4l2_dev->name, sizeof(az->vdev.name));
+	az->vdev.v4l2_dev = v4l2_dev;
+	az->vdev.fops = &aztech_fops;
+	az->vdev.ioctl_ops = &aztech_ioctl_ops;
+	az->vdev.release = video_device_release_empty;
+	video_set_drvdata(&az->vdev, az);
+
+	if (video_register_device(&az->vdev, VFL_TYPE_RADIO, radio_nr) < 0) {
+		v4l2_device_unregister(v4l2_dev);
+		release_region(az->io, 2);
 		return -EINVAL;
 	}
 
-	printk(KERN_INFO "Aztech radio card driver v1.00/19990224 rkroll@exploits.org\n");
+	v4l2_info(v4l2_dev, "Aztech radio card driver v1.00/19990224 rkroll@exploits.org\n");
 	/* mute card - prevents noisy bootups */
-	outb (0, io);
+	outb(0, az->io);
 	return 0;
 }
 
-MODULE_AUTHOR("Russell Kroll, Quay Lu, Donald Song, Jason Lewis, Scott McGrath, William McGrath");
-MODULE_DESCRIPTION("A driver for the Aztech radio card.");
-MODULE_LICENSE("GPL");
-
-module_param(io, int, 0);
-module_param(radio_nr, int, 0);
-MODULE_PARM_DESC(io, "I/O address of the Aztech card (0x350 or 0x358)");
-
-static void __exit aztech_cleanup(void)
+static void __exit aztech_exit(void)
 {
-	video_unregister_device(&aztech_radio);
-	release_region(io,2);
+	struct aztech *az = &aztech_card;
+
+	video_unregister_device(&az->vdev);
+	v4l2_device_unregister(&az->v4l2_dev);
+	release_region(az->io, 2);
 }
 
 module_init(aztech_init);
-module_exit(aztech_cleanup);
+module_exit(aztech_exit);
diff --git a/linux/drivers/media/radio/radio-cadet.c b/linux/drivers/media/radio/radio-cadet.c
index 7425aef88..373a34fde 100644
--- a/linux/drivers/media/radio/radio-cadet.c
+++ b/linux/drivers/media/radio/radio-cadet.c
@@ -35,363 +35,346 @@
 #include <linux/init.h>		/* Initdata			*/
 #include <linux/ioport.h>	/* request_region		*/
 #include <linux/delay.h>	/* udelay			*/
-#include <asm/io.h>		/* outb, outb_p			*/
-#include <asm/uaccess.h>	/* copy to/from user		*/
-#include "compat.h"
 #include <linux/videodev2.h>	/* V4L2 API defs		*/
-#include <media/v4l2-common.h>
-#include <media/v4l2-ioctl.h>
 #include <linux/param.h>
 #include <linux/pnp.h>
+#include <linux/io.h>		/* outb, outb_p			*/
+#include <linux/uaccess.h>	/* copy to/from user		*/
+#include <media/v4l2-device.h>
+#include <media/v4l2-ioctl.h>
+#include "compat.h"
+
+MODULE_AUTHOR("Fred Gleason, Russell Kroll, Quay Lu, Donald Song, Jason Lewis, Scott McGrath, William McGrath");
+MODULE_DESCRIPTION("A driver for the ADS Cadet AM/FM/RDS radio card.");
+MODULE_LICENSE("GPL");
+
+static int io = -1;		/* default to isapnp activation */
+static int radio_nr = -1;
+
+module_param(io, int, 0);
+MODULE_PARM_DESC(io, "I/O address of Cadet card (0x330,0x332,0x334,0x336,0x338,0x33a,0x33c,0x33e)");
+module_param(radio_nr, int, 0);
+
+#define CADET_VERSION KERNEL_VERSION(0, 3, 3)
 
 #define RDS_BUFFER 256
 #define RDS_RX_FLAG 1
 #define MBS_RX_FLAG 2
 
-#define CADET_VERSION KERNEL_VERSION(0,3,3)
-
-static struct v4l2_queryctrl radio_qctrl[] = {
-	{
-		.id            = V4L2_CID_AUDIO_MUTE,
-		.name          = "Mute",
-		.minimum       = 0,
-		.maximum       = 1,
-		.default_value = 1,
-		.type          = V4L2_CTRL_TYPE_BOOLEAN,
-	},{
-		.id            = V4L2_CID_AUDIO_VOLUME,
-		.name          = "Volume",
-		.minimum       = 0,
-		.maximum       = 0xff,
-		.step          = 1,
-		.default_value = 0xff,
-		.type          = V4L2_CTRL_TYPE_INTEGER,
-	}
+struct cadet {
+	struct v4l2_device v4l2_dev;
+	struct video_device vdev;
+	int io;
+	int users;
+	int curtuner;
+	int tunestat;
+	int sigstrength;
+	wait_queue_head_t read_queue;
+	struct timer_list readtimer;
+	__u8 rdsin, rdsout, rdsstat;
+	unsigned char rdsbuf[RDS_BUFFER];
+	struct mutex lock;
+	int reading;
 };
 
-static int io=-1;		/* default to isapnp activation */
-static int radio_nr = -1;
-static int users;
-static int curtuner;
-static int tunestat;
-static int sigstrength;
-static wait_queue_head_t read_queue;
-static struct timer_list readtimer;
-static __u8 rdsin, rdsout, rdsstat;
-static unsigned char rdsbuf[RDS_BUFFER];
-static spinlock_t cadet_io_lock;
-
-static int cadet_probe(void);
+static struct cadet cadet_card;
 
 /*
  * Signal Strength Threshold Values
  * The V4L API spec does not define any particular unit for the signal
  * strength value.  These values are in microvolts of RF at the tuner's input.
  */
-static __u16 sigtable[2][4]={{5,10,30,150},{28,40,63,1000}};
+static __u16 sigtable[2][4] = {
+	{  5, 10, 30,  150 },
+	{ 28, 40, 63, 1000 }
+};
 
 #if 0
 /*
 Note: cadet_getrds() is not used at the moment. It will be useful for future
 extensions, e.g. an ioctl to query RDS reception quality. - Hans J. Koch
 */
-static int
-cadet_getrds(void)
+static int cadet_getrds(struct cadet *dev)
 {
-	int rds_mbs_stat=0;
+	int rds_mbs_stat = 0;
 
-	spin_lock(&cadet_io_lock);
-	outb(3,io);                 /* Select Decoder Control/Status */
-	outb(inb(io+1)&0x7f,io+1);  /* Reset RDS detection */
-	spin_unlock(&cadet_io_lock);
+	mutex_lock(&dev->lock);
+	outb(3, dev->io);                 /* Select Decoder Control/Status */
+	outb(inb(dev->io + 1) & 0x7f, dev->io + 1);  /* Reset RDS detection */
+	mutex_unlock(&dev->lock);
 
 	msleep(100);
 
-	spin_lock(&cadet_io_lock);
-	outb(3,io);                 /* Select Decoder Control/Status */
-	if((inb(io+1)&0x80)!=0) {
+	mutex_lock(&dev->lock);
+	outb(3, dev->io);                 /* Select Decoder Control/Status */
+	if ((inb(dev->io + 1) & 0x80) != 0)
 		rds_mbs_stat |= RDS_RX_FLAG;
-	}
-	if((inb(io+1)&0x10)!=0) {
+	if ((inb(dev->io + 1) & 0x10) != 0)
 		rds_mbs_stat |= MBS_RX_FLAG;
-	}
-	spin_unlock(&cadet_io_lock);
+	mutex_unlock(&dev->lock);
 	return rds_mbs_stat;
 }
 #endif
 
-static int
-cadet_getstereo(void)
+static int cadet_getstereo(struct cadet *dev)
 {
 	int ret = V4L2_TUNER_SUB_MONO;
-	if(curtuner != 0)	/* Only FM has stereo capability! */
+
+	if (dev->curtuner != 0)	/* Only FM has stereo capability! */
 		return V4L2_TUNER_SUB_MONO;
 
-	spin_lock(&cadet_io_lock);
-	outb(7,io);          /* Select tuner control */
-	if( (inb(io+1) & 0x40) == 0)
+	mutex_lock(&dev->lock);
+	outb(7, dev->io);          /* Select tuner control */
+	if ((inb(dev->io + 1) & 0x40) == 0)
 		ret = V4L2_TUNER_SUB_STEREO;
-	spin_unlock(&cadet_io_lock);
+	mutex_unlock(&dev->lock);
 	return ret;
 }
 
-static unsigned
-cadet_gettune(void)
+static unsigned cadet_gettune(struct cadet *dev)
 {
-	int curvol,i;
-	unsigned fifo=0;
+	int curvol, i;
+	unsigned fifo = 0;
 
 	/*
 	 * Prepare for read
 	 */
 
-	spin_lock(&cadet_io_lock);
+	mutex_lock(&dev->lock);
 
-	outb(7,io);       /* Select tuner control */
-	curvol=inb(io+1); /* Save current volume/mute setting */
-	outb(0x00,io+1);  /* Ensure WRITE-ENABLE is LOW */
-	tunestat=0xffff;
+	outb(7, dev->io);       /* Select tuner control */
+	curvol = inb(dev->io + 1); /* Save current volume/mute setting */
+	outb(0x00, dev->io + 1);  /* Ensure WRITE-ENABLE is LOW */
+	dev->tunestat = 0xffff;
 
 	/*
 	 * Read the shift register
 	 */
-	for(i=0;i<25;i++) {
-		fifo=(fifo<<1)|((inb(io+1)>>7)&0x01);
-		if(i<24) {
-			outb(0x01,io+1);
-			tunestat&=inb(io+1);
-			outb(0x00,io+1);
+	for (i = 0; i < 25; i++) {
+		fifo = (fifo << 1) | ((inb(dev->io + 1) >> 7) & 0x01);
+		if (i < 24) {
+			outb(0x01, dev->io + 1);
+			dev->tunestat &= inb(dev->io + 1);
+			outb(0x00, dev->io + 1);
 		}
 	}
 
 	/*
 	 * Restore volume/mute setting
 	 */
-	outb(curvol,io+1);
-	spin_unlock(&cadet_io_lock);
+	outb(curvol, dev->io + 1);
+	mutex_unlock(&dev->lock);
 
 	return fifo;
 }
 
-static unsigned
-cadet_getfreq(void)
+static unsigned cadet_getfreq(struct cadet *dev)
 {
 	int i;
-	unsigned freq=0,test,fifo=0;
+	unsigned freq = 0, test, fifo = 0;
 
 	/*
 	 * Read current tuning
 	 */
-	fifo=cadet_gettune();
+	fifo = cadet_gettune(dev);
 
 	/*
 	 * Convert to actual frequency
 	 */
-	if(curtuner==0) {    /* FM */
-		test=12500;
-		for(i=0;i<14;i++) {
-			if((fifo&0x01)!=0) {
-				freq+=test;
-			}
-			test=test<<1;
-			fifo=fifo>>1;
+	if (dev->curtuner == 0) {    /* FM */
+		test = 12500;
+		for (i = 0; i < 14; i++) {
+			if ((fifo & 0x01) != 0)
+				freq += test;
+			test = test << 1;
+			fifo = fifo >> 1;
 		}
-		freq-=10700000;           /* IF frequency is 10.7 MHz */
-		freq=(freq*16)/1000000;   /* Make it 1/16 MHz */
-	}
-	if(curtuner==1) {    /* AM */
-		freq=((fifo&0x7fff)-2010)*16;
+		freq -= 10700000;           /* IF frequency is 10.7 MHz */
+		freq = (freq * 16) / 1000000;   /* Make it 1/16 MHz */
 	}
+	if (dev->curtuner == 1)    /* AM */
+		freq = ((fifo & 0x7fff) - 2010) * 16;
 
 	return freq;
 }
 
-static void
-cadet_settune(unsigned fifo)
+static void cadet_settune(struct cadet *dev, unsigned fifo)
 {
 	int i;
 	unsigned test;
 
-	spin_lock(&cadet_io_lock);
+	mutex_lock(&dev->lock);
 
-	outb(7,io);                /* Select tuner control */
+	outb(7, dev->io);                /* Select tuner control */
 	/*
 	 * Write the shift register
 	 */
-	test=0;
-	test=(fifo>>23)&0x02;      /* Align data for SDO */
-	test|=0x1c;                /* SDM=1, SWE=1, SEN=1, SCK=0 */
-	outb(7,io);                /* Select tuner control */
-	outb(test,io+1);           /* Initialize for write */
-	for(i=0;i<25;i++) {
-		test|=0x01;              /* Toggle SCK High */
-		outb(test,io+1);
-		test&=0xfe;              /* Toggle SCK Low */
-		outb(test,io+1);
-		fifo=fifo<<1;            /* Prepare the next bit */
-		test=0x1c|((fifo>>23)&0x02);
-		outb(test,io+1);
+	test = 0;
+	test = (fifo >> 23) & 0x02;      /* Align data for SDO */
+	test |= 0x1c;                /* SDM=1, SWE=1, SEN=1, SCK=0 */
+	outb(7, dev->io);                /* Select tuner control */
+	outb(test, dev->io + 1);           /* Initialize for write */
+	for (i = 0; i < 25; i++) {
+		test |= 0x01;              /* Toggle SCK High */
+		outb(test, dev->io + 1);
+		test &= 0xfe;              /* Toggle SCK Low */
+		outb(test, dev->io + 1);
+		fifo = fifo << 1;            /* Prepare the next bit */
+		test = 0x1c | ((fifo >> 23) & 0x02);
+		outb(test, dev->io + 1);
 	}
-	spin_unlock(&cadet_io_lock);
+	mutex_unlock(&dev->lock);
 }
 
-static void
-cadet_setfreq(unsigned freq)
+static void cadet_setfreq(struct cadet *dev, unsigned freq)
 {
 	unsigned fifo;
-	int i,j,test;
+	int i, j, test;
 	int curvol;
 
 	/*
 	 * Formulate a fifo command
 	 */
-	fifo=0;
-	if(curtuner==0) {    /* FM */
-		test=102400;
-		freq=(freq*1000)/16;       /* Make it kHz */
-		freq+=10700;               /* IF is 10700 kHz */
-		for(i=0;i<14;i++) {
-			fifo=fifo<<1;
-			if(freq>=test) {
-				fifo|=0x01;
-				freq-=test;
+	fifo = 0;
+	if (dev->curtuner == 0) {    /* FM */
+		test = 102400;
+		freq = (freq * 1000) / 16;       /* Make it kHz */
+		freq += 10700;               /* IF is 10700 kHz */
+		for (i = 0; i < 14; i++) {
+			fifo = fifo << 1;
+			if (freq >= test) {
+				fifo |= 0x01;
+				freq -= test;
 			}
-			test=test>>1;
+			test = test >> 1;
 		}
 	}
-	if(curtuner==1) {    /* AM */
-		fifo=(freq/16)+2010;            /* Make it kHz */
-		fifo|=0x100000;            /* Select AM Band */
+	if (dev->curtuner == 1) {    /* AM */
+		fifo = (freq / 16) + 2010;            /* Make it kHz */
+		fifo |= 0x100000;            /* Select AM Band */
 	}
 
 	/*
 	 * Save current volume/mute setting
 	 */
 
-	spin_lock(&cadet_io_lock);
-	outb(7,io);                /* Select tuner control */
-	curvol=inb(io+1);
-	spin_unlock(&cadet_io_lock);
+	mutex_lock(&dev->lock);
+	outb(7, dev->io);                /* Select tuner control */
+	curvol = inb(dev->io + 1);
+	mutex_unlock(&dev->lock);
 
 	/*
 	 * Tune the card
 	 */
-	for(j=3;j>-1;j--) {
-		cadet_settune(fifo|(j<<16));
+	for (j = 3; j > -1; j--) {
+		cadet_settune(dev, fifo | (j << 16));
 
-		spin_lock(&cadet_io_lock);
-		outb(7,io);         /* Select tuner control */
-		outb(curvol,io+1);
-		spin_unlock(&cadet_io_lock);
+		mutex_lock(&dev->lock);
+		outb(7, dev->io);         /* Select tuner control */
+		outb(curvol, dev->io + 1);
+		mutex_unlock(&dev->lock);
 
 		msleep(100);
 
-		cadet_gettune();
-		if((tunestat & 0x40) == 0) {   /* Tuned */
-			sigstrength=sigtable[curtuner][j];
+		cadet_gettune(dev);
+		if ((dev->tunestat & 0x40) == 0) {   /* Tuned */
+			dev->sigstrength = sigtable[dev->curtuner][j];
 			return;
 		}
 	}
-	sigstrength=0;
+	dev->sigstrength = 0;
 }
 
 
-static int
-cadet_getvol(void)
+static int cadet_getvol(struct cadet *dev)
 {
 	int ret = 0;
 
-	spin_lock(&cadet_io_lock);
+	mutex_lock(&dev->lock);
 
-	outb(7,io);                /* Select tuner control */
-	if((inb(io + 1) & 0x20) != 0)
+	outb(7, dev->io);                /* Select tuner control */
+	if ((inb(dev->io + 1) & 0x20) != 0)
 		ret = 0xffff;
 
-	spin_unlock(&cadet_io_lock);
+	mutex_unlock(&dev->lock);
 	return ret;
 }
 
 
-static void
-cadet_setvol(int vol)
+static void cadet_setvol(struct cadet *dev, int vol)
 {
-	spin_lock(&cadet_io_lock);
-	outb(7,io);                /* Select tuner control */
-	if(vol>0)
-		outb(0x20,io+1);
+	mutex_lock(&dev->lock);
+	outb(7, dev->io);                /* Select tuner control */
+	if (vol > 0)
+		outb(0x20, dev->io + 1);
 	else
-		outb(0x00,io+1);
-	spin_unlock(&cadet_io_lock);
+		outb(0x00, dev->io + 1);
+	mutex_unlock(&dev->lock);
 }
 
-static void
-cadet_handler(unsigned long data)
+static void cadet_handler(unsigned long data)
 {
-	/*
-	 * Service the RDS fifo
-	 */
+	struct cadet *dev = (void *)data;
 
-	if(spin_trylock(&cadet_io_lock))
-	{
-		outb(0x3,io);       /* Select RDS Decoder Control */
-		if((inb(io+1)&0x20)!=0) {
+	/* Service the RDS fifo */
+	if (mutex_trylock(&dev->lock)) {
+		outb(0x3, dev->io);       /* Select RDS Decoder Control */
+		if ((inb(dev->io + 1) & 0x20) != 0)
 			printk(KERN_CRIT "cadet: RDS fifo overflow\n");
-		}
-		outb(0x80,io);      /* Select RDS fifo */
-		while((inb(io)&0x80)!=0) {
-			rdsbuf[rdsin]=inb(io+1);
-			if(rdsin==rdsout)
+		outb(0x80, dev->io);      /* Select RDS fifo */
+		while ((inb(dev->io) & 0x80) != 0) {
+			dev->rdsbuf[dev->rdsin] = inb(dev->io + 1);
+			if (dev->rdsin == dev->rdsout)
 				printk(KERN_WARNING "cadet: RDS buffer overflow\n");
 			else
-				rdsin++;
+				dev->rdsin++;
 		}
-		spin_unlock(&cadet_io_lock);
+		mutex_unlock(&dev->lock);
 	}
 
 	/*
 	 * Service pending read
 	 */
-	if( rdsin!=rdsout)
-		wake_up_interruptible(&read_queue);
+	if (dev->rdsin != dev->rdsout)
+		wake_up_interruptible(&dev->read_queue);
 
 	/*
 	 * Clean up and exit
 	 */
-	init_timer(&readtimer);
-	readtimer.function=cadet_handler;
-	readtimer.data=(unsigned long)0;
-	readtimer.expires=jiffies+msecs_to_jiffies(50);
-	add_timer(&readtimer);
+	init_timer(&dev->readtimer);
+	dev->readtimer.function = cadet_handler;
+	dev->readtimer.data = (unsigned long)0;
+	dev->readtimer.expires = jiffies + msecs_to_jiffies(50);
+	add_timer(&dev->readtimer);
 }
 
 
-
-static ssize_t
-cadet_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
+static ssize_t cadet_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
 {
-	int i=0;
+	struct cadet *dev = video_drvdata(file);
 	unsigned char readbuf[RDS_BUFFER];
-
-	if(rdsstat==0) {
-		spin_lock(&cadet_io_lock);
-		rdsstat=1;
-		outb(0x80,io);        /* Select RDS fifo */
-		spin_unlock(&cadet_io_lock);
-		init_timer(&readtimer);
-		readtimer.function=cadet_handler;
-		readtimer.data=(unsigned long)0;
-		readtimer.expires=jiffies+msecs_to_jiffies(50);
-		add_timer(&readtimer);
+	int i = 0;
+
+	if (dev->rdsstat == 0) {
+		mutex_lock(&dev->lock);
+		dev->rdsstat = 1;
+		outb(0x80, dev->io);        /* Select RDS fifo */
+		mutex_unlock(&dev->lock);
+		init_timer(&dev->readtimer);
+		dev->readtimer.function = cadet_handler;
+		dev->readtimer.data = (unsigned long)dev;
+		dev->readtimer.expires = jiffies + msecs_to_jiffies(50);
+		add_timer(&dev->readtimer);
 	}
-	if(rdsin==rdsout) {
+	if (dev->rdsin == dev->rdsout) {
 		if (file->f_flags & O_NONBLOCK)
 			return -EWOULDBLOCK;
-		interruptible_sleep_on(&read_queue);
+		interruptible_sleep_on(&dev->read_queue);
 	}
-	while( i<count && rdsin!=rdsout)
-		readbuf[i++]=rdsbuf[rdsout++];
+	while (i < count && dev->rdsin != dev->rdsout)
+		readbuf[i++] = dev->rdsbuf[dev->rdsout++];
 
-	if (copy_to_user(data,readbuf,i))
+	if (copy_to_user(data, readbuf, i))
 		return -EFAULT;
 	return i;
 }
@@ -400,38 +383,40 @@ cadet_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
 static int vidioc_querycap(struct file *file, void *priv,
 				struct v4l2_capability *v)
 {
-	v->capabilities =
-		V4L2_CAP_TUNER |
-		V4L2_CAP_READWRITE;
+	strlcpy(v->driver, "ADS Cadet", sizeof(v->driver));
+	strlcpy(v->card, "ADS Cadet", sizeof(v->card));
+	strlcpy(v->bus_info, "ISA", sizeof(v->bus_info));
 	v->version = CADET_VERSION;
-	strcpy(v->driver, "ADS Cadet");
-	strcpy(v->card, "ADS Cadet");
+	v->capabilities = V4L2_CAP_TUNER | V4L2_CAP_RADIO | V4L2_CAP_READWRITE;
 	return 0;
 }
 
 static int vidioc_g_tuner(struct file *file, void *priv,
 				struct v4l2_tuner *v)
 {
+	struct cadet *dev = video_drvdata(file);
+
 	v->type = V4L2_TUNER_RADIO;
 	switch (v->index) {
 	case 0:
-		strcpy(v->name, "FM");
+		strlcpy(v->name, "FM", sizeof(v->name));
 		v->capability = V4L2_TUNER_CAP_STEREO;
 		v->rangelow = 1400;     /* 87.5 MHz */
 		v->rangehigh = 1728;    /* 108.0 MHz */
-		v->rxsubchans=cadet_getstereo();
-		switch (v->rxsubchans){
+		v->rxsubchans = cadet_getstereo(dev);
+		switch (v->rxsubchans) {
 		case V4L2_TUNER_SUB_MONO:
 			v->audmode = V4L2_TUNER_MODE_MONO;
 			break;
 		case V4L2_TUNER_SUB_STEREO:
 			v->audmode = V4L2_TUNER_MODE_STEREO;
 			break;
-		default: ;
+		default:
+			break;
 		}
 		break;
 	case 1:
-		strcpy(v->name, "AM");
+		strlcpy(v->name, "AM", sizeof(v->name));
 		v->capability = V4L2_TUNER_CAP_LOW;
 		v->rangelow = 8320;      /* 520 kHz */
 		v->rangehigh = 26400;    /* 1650 kHz */
@@ -441,25 +426,29 @@ static int vidioc_g_tuner(struct file *file, void *priv,
 	default:
 		return -EINVAL;
 	}
-	v->signal = sigstrength; /* We might need to modify scaling of this */
+	v->signal = dev->sigstrength; /* We might need to modify scaling of this */
 	return 0;
 }
 
 static int vidioc_s_tuner(struct file *file, void *priv,
 				struct v4l2_tuner *v)
 {
-	if((v->index != 0)&&(v->index != 1))
+	struct cadet *dev = video_drvdata(file);
+
+	if (v->index != 0 && v->index != 1)
 		return -EINVAL;
-	curtuner = v->index;
+	dev->curtuner = v->index;
 	return 0;
 }
 
 static int vidioc_g_frequency(struct file *file, void *priv,
 				struct v4l2_frequency *f)
 {
-	f->tuner = curtuner;
+	struct cadet *dev = video_drvdata(file);
+
+	f->tuner = dev->curtuner;
 	f->type = V4L2_TUNER_RADIO;
-	f->frequency = cadet_getfreq();
+	f->frequency = cadet_getfreq(dev);
 	return 0;
 }
 
@@ -467,27 +456,26 @@ static int vidioc_g_frequency(struct file *file, void *priv,
 static int vidioc_s_frequency(struct file *file, void *priv,
 				struct v4l2_frequency *f)
 {
+	struct cadet *dev = video_drvdata(file);
+
 	if (f->type != V4L2_TUNER_RADIO)
 		return -EINVAL;
-	if((curtuner==0)&&((f->frequency<1400)||(f->frequency>1728)))
+	if (dev->curtuner == 0 && (f->frequency < 1400 || f->frequency > 1728))
 		return -EINVAL;
-	if((curtuner==1)&&((f->frequency<8320)||(f->frequency>26400)))
+	if (dev->curtuner == 1 && (f->frequency < 8320 || f->frequency > 26400))
 		return -EINVAL;
-	cadet_setfreq(f->frequency);
+	cadet_setfreq(dev, f->frequency);
 	return 0;
 }
 
 static int vidioc_queryctrl(struct file *file, void *priv,
 				struct v4l2_queryctrl *qc)
 {
-	int i;
-
-	for (i = 0; i < ARRAY_SIZE(radio_qctrl); i++) {
-		if (qc->id && qc->id == radio_qctrl[i].id) {
-			memcpy(qc, &(radio_qctrl[i]),
-						sizeof(*qc));
-			return 0;
-		}
+	switch (qc->id) {
+	case V4L2_CID_AUDIO_MUTE:
+		return v4l2_ctrl_query_fill(qc, 0, 1, 1, 1);
+	case V4L2_CID_AUDIO_VOLUME:
+		return v4l2_ctrl_query_fill(qc, 0, 0xff, 1, 0xff);
 	}
 	return -EINVAL;
 }
@@ -495,12 +483,14 @@ static int vidioc_queryctrl(struct file *file, void *priv,
 static int vidioc_g_ctrl(struct file *file, void *priv,
 				struct v4l2_control *ctrl)
 {
-	switch (ctrl->id){
+	struct cadet *dev = video_drvdata(file);
+
+	switch (ctrl->id) {
 	case V4L2_CID_AUDIO_MUTE: /* TODO: Handle this correctly */
-		ctrl->value = (cadet_getvol() == 0);
+		ctrl->value = (cadet_getvol(dev) == 0);
 		break;
 	case V4L2_CID_AUDIO_VOLUME:
-		ctrl->value = cadet_getvol();
+		ctrl->value = cadet_getvol(dev);
 		break;
 	default:
 		return -EINVAL;
@@ -511,15 +501,17 @@ static int vidioc_g_ctrl(struct file *file, void *priv,
 static int vidioc_s_ctrl(struct file *file, void *priv,
 				struct v4l2_control *ctrl)
 {
+	struct cadet *dev = video_drvdata(file);
+
 	switch (ctrl->id){
 	case V4L2_CID_AUDIO_MUTE: /* TODO: Handle this correctly */
 		if (ctrl->value)
-			cadet_setvol(0);
+			cadet_setvol(dev, 0);
 		else
-			cadet_setvol(0xffff);
+			cadet_setvol(dev, 0xffff);
 		break;
 	case V4L2_CID_AUDIO_VOLUME:
-		cadet_setvol(ctrl->value);
+		cadet_setvol(dev, ctrl->value);
 		break;
 	default:
 		return -EINVAL;
@@ -527,16 +519,6 @@ static int vidioc_s_ctrl(struct file *file, void *priv,
 	return 0;
 }
 
-static int vidioc_g_audio(struct file *file, void *priv,
-				struct v4l2_audio *a)
-{
-	if (a->index > 1)
-		return -EINVAL;
-	strcpy(a->name, "Radio");
-	a->capability = V4L2_AUDCAP_STEREO;
-	return 0;
-}
-
 static int vidioc_g_input(struct file *filp, void *priv, unsigned int *i)
 {
 	*i = 0;
@@ -545,43 +527,52 @@ static int vidioc_g_input(struct file *filp, void *priv, unsigned int *i)
 
 static int vidioc_s_input(struct file *filp, void *priv, unsigned int i)
 {
-	if (i != 0)
-		return -EINVAL;
+	return i ? -EINVAL : 0;
+}
+
+static int vidioc_g_audio(struct file *file, void *priv,
+				struct v4l2_audio *a)
+{
+	a->index = 0;
+	strlcpy(a->name, "Radio", sizeof(a->name));
+	a->capability = V4L2_AUDCAP_STEREO;
 	return 0;
 }
 
 static int vidioc_s_audio(struct file *file, void *priv,
 				struct v4l2_audio *a)
 {
-	if (a->index != 0)
-		return -EINVAL;
-	return 0;
+	return a->index ? -EINVAL : 0;
 }
 
-static int
-cadet_open(struct file *file)
+static int cadet_open(struct file *file)
 {
-	users++;
-	if (1 == users) init_waitqueue_head(&read_queue);
+	struct cadet *dev = video_drvdata(file);
+
+	dev->users++;
+	if (1 == dev->users)
+		init_waitqueue_head(&dev->read_queue);
 	return 0;
 }
 
-static int
-cadet_release(struct file *file)
+static int cadet_release(struct file *file)
 {
-	users--;
-	if (0 == users){
-		del_timer_sync(&readtimer);
-		rdsstat=0;
+	struct cadet *dev = video_drvdata(file);
+
+	dev->users--;
+	if (0 == dev->users) {
+		del_timer_sync(&dev->readtimer);
+		dev->rdsstat = 0;
 	}
 	return 0;
 }
 
-static unsigned int
-cadet_poll(struct file *file, struct poll_table_struct *wait)
+static unsigned int cadet_poll(struct file *file, struct poll_table_struct *wait)
 {
-	poll_wait(file,&read_queue,wait);
-	if(rdsin != rdsout)
+	struct cadet *dev = video_drvdata(file);
+
+	poll_wait(file, &dev->read_queue, wait);
+	if (dev->rdsin != dev->rdsout)
 		return POLLIN | POLLRDNORM;
 	return 0;
 }
@@ -611,13 +602,6 @@ static const struct v4l2_ioctl_ops cadet_ioctl_ops = {
 	.vidioc_s_input     = vidioc_s_input,
 };
 
-static struct video_device cadet_radio = {
-	.name		= "Cadet radio",
-	.fops           = &cadet_fops,
-	.ioctl_ops 	= &cadet_ioctl_ops,
-	.release	= video_device_release_empty,
-};
-
 #ifdef CONFIG_PNP
 
 static struct pnp_device_id cadet_pnp_devices[] = {
@@ -628,7 +612,7 @@ static struct pnp_device_id cadet_pnp_devices[] = {
 
 MODULE_DEVICE_TABLE(pnp, cadet_pnp_devices);
 
-static int cadet_pnp_probe(struct pnp_dev * dev, const struct pnp_device_id *dev_id)
+static int cadet_pnp_probe(struct pnp_dev *dev, const struct pnp_device_id *dev_id)
 {
 	if (!dev)
 		return -ENODEV;
@@ -636,13 +620,12 @@ static int cadet_pnp_probe(struct pnp_dev * dev, const struct pnp_device_id *dev
 	if (io > 0)
 		return -EBUSY;
 
-	if (!pnp_port_valid(dev, 0)) {
+	if (!pnp_port_valid(dev, 0))
 		return -ENODEV;
-	}
 
 	io = pnp_port_start(dev, 0);
 
-	printk ("radio-cadet: PnP reports device at %#x\n", io);
+	printk(KERN_INFO "radio-cadet: PnP reports device at %#x\n", io);
 
 	return io;
 }
@@ -658,23 +641,23 @@ static struct pnp_driver cadet_pnp_driver = {
 static struct pnp_driver cadet_pnp_driver;
 #endif
 
-static int cadet_probe(void)
+static void cadet_probe(struct cadet *dev)
 {
-	static int iovals[8]={0x330,0x332,0x334,0x336,0x338,0x33a,0x33c,0x33e};
+	static int iovals[8] = { 0x330, 0x332, 0x334, 0x336, 0x338, 0x33a, 0x33c, 0x33e };
 	int i;
 
-	for(i=0;i<8;i++) {
-		io=iovals[i];
-		if (request_region(io, 2, "cadet-probe")) {
-			cadet_setfreq(1410);
-			if(cadet_getfreq()==1410) {
-				release_region(io, 2);
-				return io;
+	for (i = 0; i < 8; i++) {
+		dev->io = iovals[i];
+		if (request_region(dev->io, 2, "cadet-probe")) {
+			cadet_setfreq(dev, 1410);
+			if (cadet_getfreq(dev) == 1410) {
+				release_region(dev->io, 2);
+				return;
 			}
-			release_region(io, 2);
+			release_region(dev->io, 2);
 		}
 	}
-	return -1;
+	dev->io = -1;
 }
 
 /*
@@ -684,59 +667,69 @@ static int cadet_probe(void)
 
 static int __init cadet_init(void)
 {
-	spin_lock_init(&cadet_io_lock);
+	struct cadet *dev = &cadet_card;
+	struct v4l2_device *v4l2_dev = &dev->v4l2_dev;
+	int res;
 
-	/*
-	 *	If a probe was requested then probe ISAPnP first (safest)
-	 */
+	strlcpy(v4l2_dev->name, "cadet", sizeof(v4l2_dev->name));
+	mutex_init(&dev->lock);
+
+	/* If a probe was requested then probe ISAPnP first (safest) */
 	if (io < 0)
 		pnp_register_driver(&cadet_pnp_driver);
-	/*
-	 *	If that fails then probe unsafely if probe is requested
-	 */
-	if(io < 0)
-		io = cadet_probe ();
+	dev->io = io;
 
-	/*
-	 *	Else we bail out
-	 */
+	/* If that fails then probe unsafely if probe is requested */
+	if (dev->io < 0)
+		cadet_probe(dev);
 
-	if(io < 0) {
+	/* Else we bail out */
+	if (dev->io < 0) {
 #ifdef MODULE
-		printk(KERN_ERR "You must set an I/O address with io=0x???\n");
+		v4l2_err(v4l2_dev, "you must set an I/O address with io=0x330, 0x332, 0x334,\n");
+		v4l2_err(v4l2_dev, "0x336, 0x338, 0x33a, 0x33c or 0x33e\n");
 #endif
 		goto fail;
 	}
-	if (!request_region(io,2,"cadet"))
+	if (!request_region(dev->io, 2, "cadet"))
 		goto fail;
-	if (video_register_device(&cadet_radio, VFL_TYPE_RADIO, radio_nr) < 0) {
-		release_region(io,2);
+
+	res = v4l2_device_register(NULL, v4l2_dev);
+	if (res < 0) {
+		release_region(dev->io, 2);
+		v4l2_err(v4l2_dev, "could not register v4l2_device\n");
 		goto fail;
 	}
-	printk(KERN_INFO "ADS Cadet Radio Card at 0x%x\n",io);
+
+	strlcpy(dev->vdev.name, v4l2_dev->name, sizeof(dev->vdev.name));
+	dev->vdev.v4l2_dev = v4l2_dev;
+	dev->vdev.fops = &cadet_fops;
+	dev->vdev.ioctl_ops = &cadet_ioctl_ops;
+	dev->vdev.release = video_device_release_empty;
+	video_set_drvdata(&dev->vdev, dev);
+
+	if (video_register_device(&dev->vdev, VFL_TYPE_RADIO, radio_nr) < 0) {
+		v4l2_device_unregister(v4l2_dev);
+		release_region(dev->io, 2);
+		goto fail;
+	}
+	v4l2_info(v4l2_dev, "ADS Cadet Radio Card at 0x%x\n", dev->io);
 	return 0;
 fail:
 	pnp_unregister_driver(&cadet_pnp_driver);
-	return -1;
+	return -ENODEV;
 }
 
-
-
-MODULE_AUTHOR("Fred Gleason, Russell Kroll, Quay Lu, Donald Song, Jason Lewis, Scott McGrath, William McGrath");
-MODULE_DESCRIPTION("A driver for the ADS Cadet AM/FM/RDS radio card.");
-MODULE_LICENSE("GPL");
-
-module_param(io, int, 0);
-MODULE_PARM_DESC(io, "I/O address of Cadet card (0x330,0x332,0x334,0x336,0x338,0x33a,0x33c,0x33e)");
-module_param(radio_nr, int, 0);
-
-static void __exit cadet_cleanup_module(void)
+static void __exit cadet_exit(void)
 {
-	video_unregister_device(&cadet_radio);
-	release_region(io,2);
+	struct cadet *dev = &cadet_card;
+
+	video_unregister_device(&dev->vdev);
+	v4l2_device_unregister(&dev->v4l2_dev);
+	release_region(dev->io, 2);
 	pnp_unregister_driver(&cadet_pnp_driver);
 }
 
 module_init(cadet_init);
-module_exit(cadet_cleanup_module);
+module_exit(cadet_exit);
 
diff --git a/linux/drivers/media/radio/radio-gemtek-pci.c b/linux/drivers/media/radio/radio-gemtek-pci.c
index 7edd3e594..b68e2ba4c 100644
--- a/linux/drivers/media/radio/radio-gemtek-pci.c
+++ b/linux/drivers/media/radio/radio-gemtek-pci.c
@@ -44,36 +44,28 @@
 #include <linux/module.h>
 #include <linux/init.h>
 #include <linux/pci.h>
-#include "compat.h"
 #include <linux/videodev2.h>
-#include <media/v4l2-common.h>
-#include <media/v4l2-ioctl.h>
 #include <linux/errno.h>
-
 #include <linux/version.h>      /* for KERNEL_VERSION MACRO     */
-#define RADIO_VERSION KERNEL_VERSION(0,0,2)
-
-static struct v4l2_queryctrl radio_qctrl[] = {
-	{
-		.id            = V4L2_CID_AUDIO_MUTE,
-		.name          = "Mute",
-		.minimum       = 0,
-		.maximum       = 1,
-		.default_value = 1,
-		.type          = V4L2_CTRL_TYPE_BOOLEAN,
-	},{
-		.id            = V4L2_CID_AUDIO_VOLUME,
-		.name          = "Volume",
-		.minimum       = 0,
-		.maximum       = 65535,
-		.step          = 65535,
-		.default_value = 0xff,
-		.type          = V4L2_CTRL_TYPE_INTEGER,
-	}
-};
+#include <linux/io.h>
+#include <linux/uaccess.h>
+#include <media/v4l2-device.h>
+#include <media/v4l2-ioctl.h>
+#include "compat.h"
 
-#include <asm/io.h>
-#include <asm/uaccess.h>
+MODULE_AUTHOR("Vladimir Shebordaev <vshebordaev@mail.ru>");
+MODULE_DESCRIPTION("The video4linux driver for the Gemtek PCI Radio Card");
+MODULE_LICENSE("GPL");
+
+static int nr_radio = -1;
+static int mx = 1;
+
+module_param(mx, bool, 0);
+MODULE_PARM_DESC(mx, "single digit: 1 - turn off the turner upon module exit (default), 0 - do not");
+module_param(nr_radio, int, 0);
+MODULE_PARM_DESC(nr_radio, "video4linux device number to use");
+
+#define RADIO_VERSION KERNEL_VERSION(0, 0, 2)
 
 #ifndef PCI_VENDOR_ID_GEMTEK
 #define PCI_VENDOR_ID_GEMTEK 0x5046
@@ -91,8 +83,11 @@ static struct v4l2_queryctrl radio_qctrl[] = {
 #define GEMTEK_PCI_RANGE_HIGH (108*16000)
 #endif
 
-struct gemtek_pci_card {
-	struct video_device *videodev;
+struct gemtek_pci {
+	struct v4l2_device v4l2_dev;
+	struct video_device vdev;
+	struct mutex lock;
+	struct pci_dev *pdev;
 
 	u32 iobase;
 	u32 length;
@@ -101,116 +96,133 @@ struct gemtek_pci_card {
 	u8  mute;
 };
 
-static int nr_radio = -1;
-static unsigned long in_use;
+static inline struct gemtek_pci *to_gemtek_pci(struct v4l2_device *v4l2_dev)
+{
+	return container_of(v4l2_dev, struct gemtek_pci, v4l2_dev);
+}
 
-static inline u8 gemtek_pci_out( u16 value, u32 port )
+static inline u8 gemtek_pci_out(u16 value, u32 port)
 {
-	outw( value, port );
+	outw(value, port);
 
 	return (u8)value;
 }
 
-#define _b0( v ) *((u8 *)&v)
-static void __gemtek_pci_cmd( u16 value, u32 port, u8 *last_byte, int keep )
+#define _b0(v) (*((u8 *)&v))
+
+static void __gemtek_pci_cmd(u16 value, u32 port, u8 *last_byte, int keep)
 {
-	register u8 byte = *last_byte;
+	u8 byte = *last_byte;
 
-	if ( !value ) {
-		if ( !keep )
+	if (!value) {
+		if (!keep)
 			value = (u16)port;
 		byte &= 0xfd;
 	} else
 		byte |= 2;
 
-	_b0( value ) = byte;
-	outw( value, port );
+	_b0(value) = byte;
+	outw(value, port);
 	byte |= 1;
-	_b0( value ) = byte;
-	outw( value, port );
+	_b0(value) = byte;
+	outw(value, port);
 	byte &= 0xfe;
-	_b0( value ) = byte;
-	outw( value, port );
+	_b0(value) = byte;
+	outw(value, port);
 
 	*last_byte = byte;
 }
 
-static inline void gemtek_pci_nil( u32 port, u8 *last_byte )
+static inline void gemtek_pci_nil(u32 port, u8 *last_byte)
 {
-	__gemtek_pci_cmd( 0x00, port, last_byte, false );
+	__gemtek_pci_cmd(0x00, port, last_byte, false);
 }
 
-static inline void gemtek_pci_cmd( u16 cmd, u32 port, u8 *last_byte )
+static inline void gemtek_pci_cmd(u16 cmd, u32 port, u8 *last_byte)
 {
-	__gemtek_pci_cmd( cmd, port, last_byte, true );
+	__gemtek_pci_cmd(cmd, port, last_byte, true);
 }
 
-static void gemtek_pci_setfrequency( struct gemtek_pci_card *card, unsigned long frequency )
+static void gemtek_pci_setfrequency(struct gemtek_pci *card, unsigned long frequency)
 {
-	register int i;
-	register u32 value = frequency / 200 + 856;
-	register u16 mask = 0x8000;
+	int i;
+	u32 value = frequency / 200 + 856;
+	u16 mask = 0x8000;
 	u8 last_byte;
 	u32 port = card->iobase;
 
-	last_byte = gemtek_pci_out( 0x06, port );
+	mutex_lock(&card->lock);
+	card->current_frequency = frequency;
+	last_byte = gemtek_pci_out(0x06, port);
 
 	i = 0;
 	do {
-		gemtek_pci_nil( port, &last_byte );
+		gemtek_pci_nil(port, &last_byte);
 		i++;
-	} while ( i < 9 );
+	} while (i < 9);
 
 	i = 0;
 	do {
-		gemtek_pci_cmd( value & mask, port, &last_byte );
+		gemtek_pci_cmd(value & mask, port, &last_byte);
 		mask >>= 1;
 		i++;
-	} while ( i < 16 );
+	} while (i < 16);
 
-	outw( 0x10, port );
+	outw(0x10, port);
+	mutex_unlock(&card->lock);
 }
 
 
-static inline void gemtek_pci_mute( struct gemtek_pci_card *card )
+static void gemtek_pci_mute(struct gemtek_pci *card)
 {
-	outb( 0x1f, card->iobase );
+	mutex_lock(&card->lock);
+	outb(0x1f, card->iobase);
 	card->mute = true;
+	mutex_unlock(&card->lock);
 }
 
-static inline void gemtek_pci_unmute( struct gemtek_pci_card *card )
+static void gemtek_pci_unmute(struct gemtek_pci *card)
 {
-	if ( card->mute ) {
-		gemtek_pci_setfrequency( card, card->current_frequency );
+	mutex_lock(&card->lock);
+	if (card->mute) {
+		gemtek_pci_setfrequency(card, card->current_frequency);
 		card->mute = false;
 	}
+	mutex_unlock(&card->lock);
 }
 
-static inline unsigned int gemtek_pci_getsignal( struct gemtek_pci_card *card )
+static int gemtek_pci_getsignal(struct gemtek_pci *card)
 {
-	return ( inb( card->iobase ) & 0x08 ) ? 0 : 1;
+	int sig;
+
+	mutex_lock(&card->lock);
+	sig = (inb(card->iobase) & 0x08) ? 0 : 1;
+	mutex_unlock(&card->lock);
+	return sig;
 }
 
 static int vidioc_querycap(struct file *file, void *priv,
 					struct v4l2_capability *v)
 {
+	struct gemtek_pci *card = video_drvdata(file);
+
 	strlcpy(v->driver, "radio-gemtek-pci", sizeof(v->driver));
 	strlcpy(v->card, "GemTek PCI Radio", sizeof(v->card));
-	sprintf(v->bus_info, "ISA");
+	snprintf(v->bus_info, sizeof(v->bus_info), "PCI:%s", pci_name(card->pdev));
 	v->version = RADIO_VERSION;
-	v->capabilities = V4L2_CAP_TUNER;
+	v->capabilities = V4L2_CAP_TUNER | V4L2_CAP_RADIO;
 	return 0;
 }
 
 static int vidioc_g_tuner(struct file *file, void *priv,
 					struct v4l2_tuner *v)
 {
-	struct gemtek_pci_card *card = video_drvdata(file);
+	struct gemtek_pci *card = video_drvdata(file);
 
 	if (v->index > 0)
 		return -EINVAL;
 
-	strcpy(v->name, "FM");
+	strlcpy(v->name, "FM", sizeof(v->name));
 	v->type = V4L2_TUNER_RADIO;
 	v->rangelow = GEMTEK_PCI_RANGE_LOW;
 	v->rangehigh = GEMTEK_PCI_RANGE_HIGH;
@@ -224,21 +236,18 @@ static int vidioc_g_tuner(struct file *file, void *priv,
 static int vidioc_s_tuner(struct file *file, void *priv,
 					struct v4l2_tuner *v)
 {
-	if (v->index > 0)
-		return -EINVAL;
-	return 0;
+	return v->index ? -EINVAL : 0;
 }
 
 static int vidioc_s_frequency(struct file *file, void *priv,
 					struct v4l2_frequency *f)
 {
-	struct gemtek_pci_card *card = video_drvdata(file);
+	struct gemtek_pci *card = video_drvdata(file);
 
-	if ( (f->frequency < GEMTEK_PCI_RANGE_LOW) ||
-			(f->frequency > GEMTEK_PCI_RANGE_HIGH) )
+	if (f->frequency < GEMTEK_PCI_RANGE_LOW ||
+	    f->frequency > GEMTEK_PCI_RANGE_HIGH)
 		return -EINVAL;
 	gemtek_pci_setfrequency(card, f->frequency);
-	card->current_frequency = f->frequency;
 	card->mute = false;
 	return 0;
 }
@@ -246,7 +255,7 @@ static int vidioc_s_frequency(struct file *file, void *priv,
 static int vidioc_g_frequency(struct file *file, void *priv,
 					struct v4l2_frequency *f)
 {
-	struct gemtek_pci_card *card = video_drvdata(file);
+	struct gemtek_pci *card = video_drvdata(file);
 
 	f->type = V4L2_TUNER_RADIO;
 	f->frequency = card->current_frequency;
@@ -256,13 +265,11 @@ static int vidioc_g_frequency(struct file *file, void *priv,
 static int vidioc_queryctrl(struct file *file, void *priv,
 					struct v4l2_queryctrl *qc)
 {
-	int i;
-	for (i = 0; i < ARRAY_SIZE(radio_qctrl); i++) {
-		if (qc->id && qc->id == radio_qctrl[i].id) {
-			memcpy(qc, &(radio_qctrl[i]),
-						sizeof(*qc));
-			return 0;
-		}
+	switch (qc->id) {
+	case V4L2_CID_AUDIO_MUTE:
+		return v4l2_ctrl_query_fill(qc, 0, 1, 1, 1);
+	case V4L2_CID_AUDIO_VOLUME:
+		return v4l2_ctrl_query_fill(qc, 0, 65535, 65535, 65535);
 	}
 	return -EINVAL;
 }
@@ -270,7 +277,7 @@ static int vidioc_queryctrl(struct file *file, void *priv,
 static int vidioc_g_ctrl(struct file *file, void *priv,
 					struct v4l2_control *ctrl)
 {
-	struct gemtek_pci_card *card = video_drvdata(file);
+	struct gemtek_pci *card = video_drvdata(file);
 
 	switch (ctrl->id) {
 	case V4L2_CID_AUDIO_MUTE:
@@ -289,7 +296,7 @@ static int vidioc_g_ctrl(struct file *file, void *priv,
 static int vidioc_s_ctrl(struct file *file, void *priv,
 					struct v4l2_control *ctrl)
 {
-	struct gemtek_pci_card *card = video_drvdata(file);
+	struct gemtek_pci *card = video_drvdata(file);
 
 	switch (ctrl->id) {
 	case V4L2_CID_AUDIO_MUTE:
@@ -308,17 +315,6 @@ static int vidioc_s_ctrl(struct file *file, void *priv,
 	return -EINVAL;
 }
 
-static int vidioc_g_audio(struct file *file, void *priv,
-					struct v4l2_audio *a)
-{
-	if (a->index > 1)
-		return -EINVAL;
-
-	strcpy(a->name, "Radio");
-	a->capability = V4L2_AUDCAP_STEREO;
-	return 0;
-}
-
 static int vidioc_g_input(struct file *filp, void *priv, unsigned int *i)
 {
 	*i = 0;
@@ -327,17 +323,22 @@ static int vidioc_g_input(struct file *filp, void *priv, unsigned int *i)
 
 static int vidioc_s_input(struct file *filp, void *priv, unsigned int i)
 {
-	if (i != 0)
-		return -EINVAL;
+	return i ? -EINVAL : 0;
+}
+
+static int vidioc_g_audio(struct file *file, void *priv,
+					struct v4l2_audio *a)
+{
+	a->index = 0;
+	strlcpy(a->name, "Radio", sizeof(a->name));
+	a->capability = V4L2_AUDCAP_STEREO;
 	return 0;
 }
 
 static int vidioc_s_audio(struct file *file, void *priv,
 					struct v4l2_audio *a)
 {
-	if (a->index != 0)
-		return -EINVAL;
-	return 0;
+	return a->index ? -EINVAL : 0;
 }
 
 enum {
@@ -355,25 +356,22 @@ static struct pci_device_id gemtek_pci_id[] =
 	{ 0 }
 };
 
-MODULE_DEVICE_TABLE( pci, gemtek_pci_id );
-
-static int mx = 1;
+MODULE_DEVICE_TABLE(pci, gemtek_pci_id);
 
-static int gemtek_pci_exclusive_open(struct file *file)
+static int gemtek_pci_open(struct file *file)
 {
-	return test_and_set_bit(0, &in_use) ? -EBUSY : 0;
+	return 0;
 }
 
-static int gemtek_pci_exclusive_release(struct file *file)
+static int gemtek_pci_release(struct file *file)
 {
-	clear_bit(0, &in_use);
 	return 0;
 }
 
 static const struct v4l2_file_operations gemtek_pci_fops = {
 	.owner		= THIS_MODULE,
-	.open           = gemtek_pci_exclusive_open,
-	.release        = gemtek_pci_exclusive_release,
+	.open           = gemtek_pci_open,
+	.release        = gemtek_pci_release,
 	.ioctl		= video_ioctl2,
 };
 
@@ -392,114 +390,106 @@ static const struct v4l2_ioctl_ops gemtek_pci_ioctl_ops = {
 	.vidioc_s_ctrl      = vidioc_s_ctrl,
 };
 
-static struct video_device vdev_template = {
-	.name          	= "Gemtek PCI Radio",
-	.fops          	= &gemtek_pci_fops,
-	.ioctl_ops 	= &gemtek_pci_ioctl_ops,
-	.release	= video_device_release_empty,
-};
-
-static int __devinit gemtek_pci_probe( struct pci_dev *pci_dev, const struct pci_device_id *pci_id )
+static int __devinit gemtek_pci_probe(struct pci_dev *pdev, const struct pci_device_id *pci_id)
 {
-	struct gemtek_pci_card *card;
-	struct video_device *devradio;
+	struct gemtek_pci *card;
+	struct v4l2_device *v4l2_dev;
+	int res;
 
-	if ( (card = kzalloc( sizeof( struct gemtek_pci_card ), GFP_KERNEL )) == NULL ) {
-		printk( KERN_ERR "gemtek_pci: out of memory\n" );
+	card = kzalloc(sizeof(struct gemtek_pci), GFP_KERNEL);
+	if (card == NULL) {
+		dev_err(&pdev->dev, "out of memory\n");
 		return -ENOMEM;
 	}
 
-	if ( pci_enable_device( pci_dev ) )
-		goto err_pci;
+	v4l2_dev = &card->v4l2_dev;
+	mutex_init(&card->lock);
+	card->pdev = pdev;
 
-	card->iobase = pci_resource_start( pci_dev, 0 );
-	card->length = pci_resource_len( pci_dev, 0 );
+	strlcpy(v4l2_dev->name, "gemtek_pci", sizeof(v4l2_dev->name));
 
-	if ( request_region( card->iobase, card->length, card_names[pci_id->driver_data] ) == NULL ) {
-		printk( KERN_ERR "gemtek_pci: i/o port already in use\n" );
-		goto err_pci;
+	res = v4l2_device_register(&pdev->dev, v4l2_dev);
+	if (res < 0) {
+		v4l2_err(v4l2_dev, "Could not register v4l2_device\n");
+		kfree(card);
+		return res;
 	}
 
-	pci_set_drvdata( pci_dev, card );
+	if (pci_enable_device(pdev))
+		goto err_pci;
 
-	if ( (devradio = kmalloc( sizeof( struct video_device ), GFP_KERNEL )) == NULL ) {
-		printk( KERN_ERR "gemtek_pci: out of memory\n" );
-		goto err_video;
+	card->iobase = pci_resource_start(pdev, 0);
+	card->length = pci_resource_len(pdev, 0);
+
+	if (request_region(card->iobase, card->length, card_names[pci_id->driver_data]) == NULL) {
+		v4l2_err(v4l2_dev, "i/o port already in use\n");
+		goto err_pci;
 	}
-	*devradio = vdev_template;
 
-	if (video_register_device(devradio, VFL_TYPE_RADIO, nr_radio) < 0) {
-		kfree( devradio );
+	strlcpy(card->vdev.name, v4l2_dev->name, sizeof(card->vdev.name));
+	card->vdev.v4l2_dev = v4l2_dev;
+	card->vdev.fops = &gemtek_pci_fops;
+	card->vdev.ioctl_ops = &gemtek_pci_ioctl_ops;
+	card->vdev.release = video_device_release_empty;
+	video_set_drvdata(&card->vdev, card);
+
+	if (video_register_device(&card->vdev, VFL_TYPE_RADIO, nr_radio) < 0)
 		goto err_video;
-	}
 
-	card->videodev = devradio;
-	video_set_drvdata(devradio, card);
-	gemtek_pci_mute( card );
+	gemtek_pci_mute(card);
 
-#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,22)
-	printk( KERN_INFO "Gemtek PCI Radio (rev. %d) found at 0x%04x-0x%04x.\n",
-		pci_dev->revision, card->iobase, card->iobase + card->length - 1 );
+#if LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 22)
+	v4l2_info(v4l2_dev, "Gemtek PCI Radio (rev. %d) found at 0x%04x-0x%04x.\n",
+		pdev->revision, card->iobase, card->iobase + card->length - 1);
 #else
-	printk( KERN_INFO "Gemtek PCI Radio (rev. %d) found at 0x%04x-0x%04x.\n",
-		v4l_compat_pci_rev(pci_dev), card->iobase,
-		card->iobase + card->length - 1 );
+	v4l2_info(v4l2_dev, "Gemtek PCI Radio (rev. %d) found at 0x%04x-0x%04x.\n",
+		v4l_compat_pci_rev(pdev), card->iobase,
+		card->iobase + card->length - 1);
 #endif
 
 	return 0;
 
 err_video:
-	release_region( card->iobase, card->length );
+	release_region(card->iobase, card->length);
 
 err_pci:
-	kfree( card );
+	v4l2_device_unregister(v4l2_dev);
+	kfree(card);
 	return -ENODEV;
 }
 
-static void __devexit gemtek_pci_remove( struct pci_dev *pci_dev )
+static void __devexit gemtek_pci_remove(struct pci_dev *pdev)
 {
-	struct gemtek_pci_card *card = pci_get_drvdata( pci_dev );
+	struct v4l2_device *v4l2_dev = dev_get_drvdata(&pdev->dev);
+	struct gemtek_pci *card = to_gemtek_pci(v4l2_dev);
 
-	video_unregister_device( card->videodev );
-	kfree( card->videodev );
+	video_unregister_device(&card->vdev);
+	v4l2_device_unregister(v4l2_dev);
 
-	release_region( card->iobase, card->length );
+	release_region(card->iobase, card->length);
 
-	if ( mx )
-		gemtek_pci_mute( card );
+	if (mx)
+		gemtek_pci_mute(card);
 
-	kfree( card );
-
-	pci_set_drvdata( pci_dev, NULL );
+	kfree(card);
 }
 
-static struct pci_driver gemtek_pci_driver =
-{
+static struct pci_driver gemtek_pci_driver = {
 	.name		= "gemtek_pci",
 	.id_table	= gemtek_pci_id,
 	.probe		= gemtek_pci_probe,
 	.remove		= __devexit_p(gemtek_pci_remove),
 };
 
-static int __init gemtek_pci_init_module( void )
+static int __init gemtek_pci_init(void)
 {
-	return pci_register_driver( &gemtek_pci_driver );
+	return pci_register_driver(&gemtek_pci_driver);
 }
 
-static void __exit gemtek_pci_cleanup_module( void )
+static void __exit gemtek_pci_exit(void)
 {
 	pci_unregister_driver(&gemtek_pci_driver);
 }
 
-MODULE_AUTHOR( "Vladimir Shebordaev <vshebordaev@mail.ru>" );
-MODULE_DESCRIPTION( "The video4linux driver for the Gemtek PCI Radio Card" );
-MODULE_LICENSE("GPL");
-
-module_param(mx, bool, 0);
-MODULE_PARM_DESC( mx, "single digit: 1 - turn off the turner upon module exit (default), 0 - do not" );
-module_param(nr_radio, int, 0);
-MODULE_PARM_DESC( nr_radio, "video4linux device number to use");
-
-module_init( gemtek_pci_init_module );
-module_exit( gemtek_pci_cleanup_module );
-
+module_init(gemtek_pci_init);
+module_exit(gemtek_pci_exit);
diff --git a/linux/drivers/media/radio/radio-gemtek.c b/linux/drivers/media/radio/radio-gemtek.c
index a1ae890c8..0cb1cb0a1 100644
--- a/linux/drivers/media/radio/radio-gemtek.c
+++ b/linux/drivers/media/radio/radio-gemtek.c
@@ -20,17 +20,16 @@
 #include <linux/init.h>		/* Initdata			*/
 #include <linux/ioport.h>	/* request_region		*/
 #include <linux/delay.h>	/* udelay			*/
-#include <asm/io.h>		/* outb, outb_p			*/
-#include <asm/uaccess.h>	/* copy to/from user		*/
-#include "compat.h"
 #include <linux/videodev2.h>	/* kernel radio structs		*/
+#include <linux/version.h>	/* for KERNEL_VERSION MACRO	*/
+#include <linux/mutex.h>
+#include <linux/io.h>		/* outb, outb_p			*/
+#include <linux/uaccess.h>	/* copy to/from user		*/
 #include <media/v4l2-ioctl.h>
-#include <media/v4l2-common.h>
-#include <linux/spinlock.h>
+#include <media/v4l2-device.h>
+#include "compat.h"
 
-#include <linux/version.h>	/* for KERNEL_VERSION MACRO	*/
-#define RADIO_VERSION KERNEL_VERSION(0,0,3)
-#define RADIO_BANNER "GemTek Radio card driver: v0.0.3"
+#define RADIO_VERSION KERNEL_VERSION(0, 0, 3)
 
 /*
  * Module info.
@@ -58,7 +57,6 @@ static int shutdown	= 1;
 static int keepmuted	= 1;
 static int initmute	= 1;
 static int radio_nr	= -1;
-static unsigned long in_use;
 
 module_param(io, int, 0444);
 MODULE_PARM_DESC(io, "Force I/O port for the GemTek Radio card if automatic "
@@ -113,12 +111,19 @@ module_param(radio_nr, int, 0444);
 #define SHORT_DELAY 5		/* usec */
 #define LONG_DELAY 75		/* usec */
 
-struct gemtek_device {
+struct gemtek {
+	struct v4l2_device v4l2_dev;
+	struct video_device vdev;
+	struct mutex lock;
 	unsigned long lastfreq;
 	int muted;
+	int verified;
+	int io;
 	u32 bu2614data;
 };
 
+static struct gemtek gemtek_card;
+
 #define BU2614_FREQ_BITS 	16 /* D0..D15, Frequency data		*/
 #define BU2614_PORT_BITS	3 /* P0..P2, Output port control data	*/
 #define BU2614_VOID_BITS	4 /* unused 				*/
@@ -154,10 +159,6 @@ struct gemtek_device {
 #define BU2614_FMUN_MASK	MKMASK(FMUN)
 #define BU2614_TEST_MASK	MKMASK(TEST)
 
-static struct gemtek_device gemtek_unit;
-
-static spinlock_t lock;
-
 /*
  * Set data which will be sent to BU2614FS.
  */
@@ -167,33 +168,33 @@ static spinlock_t lock;
 /*
  * Transmit settings to BU2614FS over GemTek IC.
  */
-static void gemtek_bu2614_transmit(struct gemtek_device *dev)
+static void gemtek_bu2614_transmit(struct gemtek *gt)
 {
 	int i, bit, q, mute;
 
-	spin_lock(&lock);
+	mutex_lock(&gt->lock);
 
-	mute = dev->muted ? GEMTEK_MT : 0x00;
+	mute = gt->muted ? GEMTEK_MT : 0x00;
 
-	outb_p(mute | GEMTEK_DA | GEMTEK_CK, io);
+	outb_p(mute | GEMTEK_DA | GEMTEK_CK, gt->io);
 	udelay(SHORT_DELAY);
-	outb_p(mute | GEMTEK_CE | GEMTEK_DA | GEMTEK_CK, io);
+	outb_p(mute | GEMTEK_CE | GEMTEK_DA | GEMTEK_CK, gt->io);
 	udelay(LONG_DELAY);
 
-	for (i = 0, q = dev->bu2614data; i < 32; i++, q >>= 1) {
-	    bit = (q & 1) ? GEMTEK_DA : 0;
-	    outb_p(mute | GEMTEK_CE | bit, io);
-	    udelay(SHORT_DELAY);
-	    outb_p(mute | GEMTEK_CE | bit | GEMTEK_CK, io);
-	    udelay(SHORT_DELAY);
+	for (i = 0, q = gt->bu2614data; i < 32; i++, q >>= 1) {
+		bit = (q & 1) ? GEMTEK_DA : 0;
+		outb_p(mute | GEMTEK_CE | bit, gt->io);
+		udelay(SHORT_DELAY);
+		outb_p(mute | GEMTEK_CE | bit | GEMTEK_CK, gt->io);
+		udelay(SHORT_DELAY);
 	}
 
-	outb_p(mute | GEMTEK_DA | GEMTEK_CK, io);
+	outb_p(mute | GEMTEK_DA | GEMTEK_CK, gt->io);
 	udelay(SHORT_DELAY);
-	outb_p(mute | GEMTEK_CE | GEMTEK_DA | GEMTEK_CK, io);
+	outb_p(mute | GEMTEK_CE | GEMTEK_DA | GEMTEK_CK, gt->io);
 	udelay(LONG_DELAY);
 
-	spin_unlock(&lock);
+	mutex_unlock(&gt->lock);
 }
 
 /*
@@ -207,107 +208,109 @@ static unsigned long gemtek_convfreq(unsigned long freq)
 /*
  * Set FM-frequency.
  */
-static void gemtek_setfreq(struct gemtek_device *dev, unsigned long freq)
+static void gemtek_setfreq(struct gemtek *gt, unsigned long freq)
 {
-
-	if (keepmuted && hardmute && dev->muted)
+	if (keepmuted && hardmute && gt->muted)
 		return;
 
-	if (freq < GEMTEK_LOWFREQ)
-		freq = GEMTEK_LOWFREQ;
-	else if (freq > GEMTEK_HIGHFREQ)
-		freq = GEMTEK_HIGHFREQ;
+	freq = clamp_val(freq, GEMTEK_LOWFREQ, GEMTEK_HIGHFREQ);
 
-	dev->lastfreq = freq;
-	dev->muted = 0;
+	gt->lastfreq = freq;
+	gt->muted = 0;
 
-	gemtek_bu2614_set(dev, BU2614_PORT, 0);
-	gemtek_bu2614_set(dev, BU2614_FMES, 0);
-	gemtek_bu2614_set(dev, BU2614_SWIN, 0);	/* FM-mode	*/
-	gemtek_bu2614_set(dev, BU2614_SWAL, 0);
-	gemtek_bu2614_set(dev, BU2614_FMUN, 1);	/* GT bit set	*/
-	gemtek_bu2614_set(dev, BU2614_TEST, 0);
+	gemtek_bu2614_set(gt, BU2614_PORT, 0);
+	gemtek_bu2614_set(gt, BU2614_FMES, 0);
+	gemtek_bu2614_set(gt, BU2614_SWIN, 0);	/* FM-mode	*/
+	gemtek_bu2614_set(gt, BU2614_SWAL, 0);
+	gemtek_bu2614_set(gt, BU2614_FMUN, 1);	/* GT bit set	*/
+	gemtek_bu2614_set(gt, BU2614_TEST, 0);
 
-	gemtek_bu2614_set(dev, BU2614_STDF, GEMTEK_STDF_3_125_KHZ);
-	gemtek_bu2614_set(dev, BU2614_FREQ, gemtek_convfreq(freq));
+	gemtek_bu2614_set(gt, BU2614_STDF, GEMTEK_STDF_3_125_KHZ);
+	gemtek_bu2614_set(gt, BU2614_FREQ, gemtek_convfreq(freq));
 
-	gemtek_bu2614_transmit(dev);
+	gemtek_bu2614_transmit(gt);
 }
 
 /*
  * Set mute flag.
  */
-static void gemtek_mute(struct gemtek_device *dev)
+static void gemtek_mute(struct gemtek *gt)
 {
 	int i;
-	dev->muted = 1;
+
+	gt->muted = 1;
 
 	if (hardmute) {
 		/* Turn off PLL, disable data output */
-		gemtek_bu2614_set(dev, BU2614_PORT, 0);
-		gemtek_bu2614_set(dev, BU2614_FMES, 0);	/* CT bit off	*/
-		gemtek_bu2614_set(dev, BU2614_SWIN, 0);	/* FM-mode	*/
-		gemtek_bu2614_set(dev, BU2614_SWAL, 0);
-		gemtek_bu2614_set(dev, BU2614_FMUN, 0);	/* GT bit off	*/
-		gemtek_bu2614_set(dev, BU2614_TEST, 0);
-		gemtek_bu2614_set(dev, BU2614_STDF, GEMTEK_PLL_OFF);
-		gemtek_bu2614_set(dev, BU2614_FREQ, 0);
-		gemtek_bu2614_transmit(dev);
-	} else {
-		spin_lock(&lock);
+		gemtek_bu2614_set(gt, BU2614_PORT, 0);
+		gemtek_bu2614_set(gt, BU2614_FMES, 0);	/* CT bit off	*/
+		gemtek_bu2614_set(gt, BU2614_SWIN, 0);	/* FM-mode	*/
+		gemtek_bu2614_set(gt, BU2614_SWAL, 0);
+		gemtek_bu2614_set(gt, BU2614_FMUN, 0);	/* GT bit off	*/
+		gemtek_bu2614_set(gt, BU2614_TEST, 0);
+		gemtek_bu2614_set(gt, BU2614_STDF, GEMTEK_PLL_OFF);
+		gemtek_bu2614_set(gt, BU2614_FREQ, 0);
+		gemtek_bu2614_transmit(gt);
+		return;
+	}
 
-		/* Read bus contents (CE, CK and DA). */
-		i = inb_p(io);
-		/* Write it back with mute flag set. */
-		outb_p((i >> 5) | GEMTEK_MT, io);
-		udelay(SHORT_DELAY);
+	mutex_lock(&gt->lock);
 
-		spin_unlock(&lock);
-	}
+	/* Read bus contents (CE, CK and DA). */
+	i = inb_p(gt->io);
+	/* Write it back with mute flag set. */
+	outb_p((i >> 5) | GEMTEK_MT, gt->io);
+	udelay(SHORT_DELAY);
+
+	mutex_unlock(&gt->lock);
 }
 
 /*
  * Unset mute flag.
  */
-static void gemtek_unmute(struct gemtek_device *dev)
+static void gemtek_unmute(struct gemtek *gt)
 {
 	int i;
-	dev->muted = 0;
 
+	gt->muted = 0;
 	if (hardmute) {
 		/* Turn PLL back on. */
-		gemtek_setfreq(dev, dev->lastfreq);
-	} else {
-		spin_lock(&lock);
+		gemtek_setfreq(gt, gt->lastfreq);
+		return;
+	}
+	mutex_lock(&gt->lock);
 
-		i = inb_p(io);
-		outb_p(i >> 5, io);
-		udelay(SHORT_DELAY);
+	i = inb_p(gt->io);
+	outb_p(i >> 5, gt->io);
+	udelay(SHORT_DELAY);
 
-		spin_unlock(&lock);
-	}
+	mutex_unlock(&gt->lock);
 }
 
 /*
  * Get signal strength (= stereo status).
  */
-static inline int gemtek_getsigstr(void)
+static inline int gemtek_getsigstr(struct gemtek *gt)
 {
-	return inb_p(io) & GEMTEK_NS ? 0 : 1;
+	int sig;
+
+	mutex_lock(&gt->lock);
+	sig = inb_p(gt->io) & GEMTEK_NS ? 0 : 1;
+	mutex_unlock(&gt->lock);
+	return sig;
 }
 
 /*
  * Check if requested card acts like GemTek Radio card.
  */
-static int gemtek_verify(int port)
+static int gemtek_verify(struct gemtek *gt, int port)
 {
-	static int verified = -1;
 	int i, q;
 
-	if (verified == port)
+	if (gt->verified == port)
 		return 1;
 
-	spin_lock(&lock);
+	mutex_lock(&gt->lock);
 
 	q = inb_p(port);	/* Read bus contents before probing. */
 	/* Try to turn on CE, CK and DA respectively and check if card responds
@@ -317,15 +320,15 @@ static int gemtek_verify(int port)
 		udelay(SHORT_DELAY);
 
 		if ((inb_p(port) & (~GEMTEK_NS)) != (0x17 | (1 << (i + 5)))) {
-			spin_unlock(&lock);
+			mutex_unlock(&gt->lock);
 			return 0;
 		}
 	}
 	outb_p(q >> 5, port);	/* Write bus contents back. */
 	udelay(SHORT_DELAY);
 
-	spin_unlock(&lock);
-	verified = port;
+	mutex_unlock(&gt->lock);
+	gt->verified = port;
 
 	return 1;
 }
@@ -333,83 +336,61 @@ static int gemtek_verify(int port)
 /*
  * Automatic probing for card.
  */
-static int gemtek_probe(void)
+static int gemtek_probe(struct gemtek *gt)
 {
+	struct v4l2_device *v4l2_dev = &gt->v4l2_dev;
 	int ioports[] = { 0x20c, 0x30c, 0x24c, 0x34c, 0x248, 0x28c };
 	int i;
 
 	if (!probe) {
-		printk(KERN_INFO "Automatic device probing disabled.\n");
+		v4l2_info(v4l2_dev, "Automatic device probing disabled.\n");
 		return -1;
 	}
 
-	printk(KERN_INFO "Automatic device probing enabled.\n");
+	v4l2_info(v4l2_dev, "Automatic device probing enabled.\n");
 
 	for (i = 0; i < ARRAY_SIZE(ioports); ++i) {
-		printk(KERN_INFO "Trying I/O port 0x%x...\n", ioports[i]);
+		v4l2_info(v4l2_dev, "Trying I/O port 0x%x...\n", ioports[i]);
 
 		if (!request_region(ioports[i], 1, "gemtek-probe")) {
-			printk(KERN_WARNING "I/O port 0x%x busy!\n",
+			v4l2_warn(v4l2_dev, "I/O port 0x%x busy!\n",
 			       ioports[i]);
 			continue;
 		}
 
-		if (gemtek_verify(ioports[i])) {
-			printk(KERN_INFO "Card found from I/O port "
+		if (gemtek_verify(gt, ioports[i])) {
+			v4l2_info(v4l2_dev, "Card found from I/O port "
 			       "0x%x!\n", ioports[i]);
 
 			release_region(ioports[i], 1);
-
-			io = ioports[i];
-			return io;
+			gt->io = ioports[i];
+			return gt->io;
 		}
 
 		release_region(ioports[i], 1);
 	}
 
-	printk(KERN_ERR "Automatic probing failed!\n");
-
+	v4l2_err(v4l2_dev, "Automatic probing failed!\n");
 	return -1;
 }
 
 /*
  * Video 4 Linux stuff.
  */
-
-static struct v4l2_queryctrl radio_qctrl[] = {
-	{
-		.id = V4L2_CID_AUDIO_MUTE,
-		.name = "Mute",
-		.minimum = 0,
-		.maximum = 1,
-		.default_value = 1,
-		.type = V4L2_CTRL_TYPE_BOOLEAN,
-	}, {
-		.id = V4L2_CID_AUDIO_VOLUME,
-		.name = "Volume",
-		.minimum = 0,
-		.maximum = 65535,
-		.step = 65535,
-		.default_value = 0xff,
-		.type = V4L2_CTRL_TYPE_INTEGER,
-	}
-};
-
-static int gemtek_exclusive_open(struct file *file)
+static int gemtek_open(struct file *file)
 {
-	return test_and_set_bit(0, &in_use) ? -EBUSY : 0;
+	return 0;
 }
 
-static int gemtek_exclusive_release(struct file *file)
+static int gemtek_release(struct file *file)
 {
-	clear_bit(0, &in_use);
 	return 0;
 }
 
 static const struct v4l2_file_operations gemtek_fops = {
 	.owner		= THIS_MODULE,
-	.open		= gemtek_exclusive_open,
-	.release	= gemtek_exclusive_release,
+	.open		= gemtek_open,
+	.release	= gemtek_release,
 	.ioctl		= video_ioctl2,
 };
 
@@ -418,23 +399,25 @@ static int vidioc_querycap(struct file *file, void *priv,
 {
 	strlcpy(v->driver, "radio-gemtek", sizeof(v->driver));
 	strlcpy(v->card, "GemTek", sizeof(v->card));
-	sprintf(v->bus_info, "ISA");
+	strlcpy(v->bus_info, "ISA", sizeof(v->bus_info));
 	v->version = RADIO_VERSION;
-	v->capabilities = V4L2_CAP_TUNER;
+	v->capabilities = V4L2_CAP_TUNER | V4L2_CAP_RADIO;
 	return 0;
 }
 
 static int vidioc_g_tuner(struct file *file, void *priv, struct v4l2_tuner *v)
 {
+	struct gemtek *gt = video_drvdata(file);
+
 	if (v->index > 0)
 		return -EINVAL;
 
-	strcpy(v->name, "FM");
+	strlcpy(v->name, "FM", sizeof(v->name));
 	v->type = V4L2_TUNER_RADIO;
 	v->rangelow = GEMTEK_LOWFREQ;
 	v->rangehigh = GEMTEK_HIGHFREQ;
 	v->capability = V4L2_TUNER_CAP_LOW | V4L2_TUNER_CAP_STEREO;
-	v->signal = 0xffff * gemtek_getsigstr();
+	v->signal = 0xffff * gemtek_getsigstr(gt);
 	if (v->signal) {
 		v->audmode = V4L2_TUNER_MODE_STEREO;
 		v->rxsubchans = V4L2_TUNER_SUB_STEREO;
@@ -442,65 +425,56 @@ static int vidioc_g_tuner(struct file *file, void *priv, struct v4l2_tuner *v)
 		v->audmode = V4L2_TUNER_MODE_MONO;
 		v->rxsubchans = V4L2_TUNER_SUB_MONO;
 	}
-
 	return 0;
 }
 
 static int vidioc_s_tuner(struct file *file, void *priv, struct v4l2_tuner *v)
 {
-	if (v->index > 0)
-		return -EINVAL;
-	return 0;
+	return (v->index != 0) ? -EINVAL : 0;
 }
 
-static int vidioc_s_frequency(struct file *file, void *priv,
+static int vidioc_g_frequency(struct file *file, void *priv,
 			      struct v4l2_frequency *f)
 {
-	struct gemtek_device *rt = video_drvdata(file);
-
-	gemtek_setfreq(rt, f->frequency);
+	struct gemtek *gt = video_drvdata(file);
 
+	if (f->tuner != 0)
+		return -EINVAL;
+	f->type = V4L2_TUNER_RADIO;
+	f->frequency = gt->lastfreq;
 	return 0;
 }
 
-static int vidioc_g_frequency(struct file *file, void *priv,
+static int vidioc_s_frequency(struct file *file, void *priv,
 			      struct v4l2_frequency *f)
 {
-	struct gemtek_device *rt = video_drvdata(file);
+	struct gemtek *gt = video_drvdata(file);
 
-	f->type = V4L2_TUNER_RADIO;
-	f->frequency = rt->lastfreq;
+	if (f->tuner != 0 || f->type != V4L2_TUNER_RADIO)
+		return -EINVAL;
+	gemtek_setfreq(gt, f->frequency);
 	return 0;
 }
 
 static int vidioc_queryctrl(struct file *file, void *priv,
 			    struct v4l2_queryctrl *qc)
 {
-	int i;
-
-	for (i = 0; i < ARRAY_SIZE(radio_qctrl); ++i) {
-		if (qc->id && qc->id == radio_qctrl[i].id) {
-			memcpy(qc, &(radio_qctrl[i]), sizeof(*qc));
-			return 0;
-		}
+	switch (qc->id) {
+	case V4L2_CID_AUDIO_MUTE:
+		return v4l2_ctrl_query_fill(qc, 0, 1, 1, 0);
+	default:
+		return -EINVAL;
 	}
-	return -EINVAL;
 }
 
 static int vidioc_g_ctrl(struct file *file, void *priv,
 			 struct v4l2_control *ctrl)
 {
-	struct gemtek_device *rt = video_drvdata(file);
+	struct gemtek *gt = video_drvdata(file);
 
 	switch (ctrl->id) {
 	case V4L2_CID_AUDIO_MUTE:
-		ctrl->value = rt->muted;
-		return 0;
-	case V4L2_CID_AUDIO_VOLUME:
-		if (rt->muted)
-			ctrl->value = 0;
-		else
-			ctrl->value = 65535;
+		ctrl->value = gt->muted;
 		return 0;
 	}
 	return -EINVAL;
@@ -509,35 +483,19 @@ static int vidioc_g_ctrl(struct file *file, void *priv,
 static int vidioc_s_ctrl(struct file *file, void *priv,
 			 struct v4l2_control *ctrl)
 {
-	struct gemtek_device *rt = video_drvdata(file);
+	struct gemtek *gt = video_drvdata(file);
 
 	switch (ctrl->id) {
 	case V4L2_CID_AUDIO_MUTE:
 		if (ctrl->value)
-			gemtek_mute(rt);
-		else
-			gemtek_unmute(rt);
-		return 0;
-	case V4L2_CID_AUDIO_VOLUME:
-		if (ctrl->value)
-			gemtek_unmute(rt);
+			gemtek_mute(gt);
 		else
-			gemtek_mute(rt);
+			gemtek_unmute(gt);
 		return 0;
 	}
 	return -EINVAL;
 }
 
-static int vidioc_g_audio(struct file *file, void *priv, struct v4l2_audio *a)
-{
-	if (a->index > 1)
-		return -EINVAL;
-
-	strcpy(a->name, "Radio");
-	a->capability = V4L2_AUDCAP_STEREO;
-	return 0;
-}
-
 static int vidioc_g_input(struct file *filp, void *priv, unsigned int *i)
 {
 	*i = 0;
@@ -546,16 +504,20 @@ static int vidioc_g_input(struct file *filp, void *priv, unsigned int *i)
 
 static int vidioc_s_input(struct file *filp, void *priv, unsigned int i)
 {
-	if (i != 0)
-		return -EINVAL;
+	return (i != 0) ? -EINVAL : 0;
+}
+
+static int vidioc_g_audio(struct file *file, void *priv, struct v4l2_audio *a)
+{
+	a->index = 0;
+	strlcpy(a->name, "Radio", sizeof(a->name));
+	a->capability = V4L2_AUDCAP_STEREO;
 	return 0;
 }
 
 static int vidioc_s_audio(struct file *file, void *priv, struct v4l2_audio *a)
 {
-	if (a->index != 0)
-		return -EINVAL;
-	return 0;
+	return (a->index != 0) ? -EINVAL : 0;
 }
 
 static const struct v4l2_ioctl_ops gemtek_ioctl_ops = {
@@ -573,62 +535,73 @@ static const struct v4l2_ioctl_ops gemtek_ioctl_ops = {
 	.vidioc_s_ctrl		= vidioc_s_ctrl
 };
 
-static struct video_device gemtek_radio = {
-	.name		= "GemTek Radio card",
-	.fops		= &gemtek_fops,
-	.ioctl_ops 	= &gemtek_ioctl_ops,
-	.release	= video_device_release_empty,
-};
-
 /*
  * Initialization / cleanup related stuff.
  */
 
-/*
- * Initilize card.
- */
 static int __init gemtek_init(void)
 {
-	printk(KERN_INFO RADIO_BANNER "\n");
+	struct gemtek *gt = &gemtek_card;
+	struct v4l2_device *v4l2_dev = &gt->v4l2_dev;
+	int res;
 
-	spin_lock_init(&lock);
+	strlcpy(v4l2_dev->name, "gemtek", sizeof(v4l2_dev->name));
 
-	gemtek_probe();
-	if (io) {
-		if (!request_region(io, 1, "gemtek")) {
-			printk(KERN_ERR "I/O port 0x%x already in use.\n", io);
+	v4l2_info(v4l2_dev, "GemTek Radio card driver: v0.0.3\n");
+
+	mutex_init(&gt->lock);
+
+	gt->verified = -1;
+	gt->io = io;
+	gemtek_probe(gt);
+	if (gt->io) {
+		if (!request_region(gt->io, 1, "gemtek")) {
+			v4l2_err(v4l2_dev, "I/O port 0x%x already in use.\n", gt->io);
 			return -EBUSY;
 		}
 
-		if (!gemtek_verify(io))
-			printk(KERN_WARNING "Card at I/O port 0x%x does not "
+		if (!gemtek_verify(gt, gt->io))
+			v4l2_warn(v4l2_dev, "Card at I/O port 0x%x does not "
 			       "respond properly, check your "
-			       "configuration.\n", io);
+			       "configuration.\n", gt->io);
 		else
-			printk(KERN_INFO "Using I/O port 0x%x.\n", io);
+			v4l2_info(v4l2_dev, "Using I/O port 0x%x.\n", gt->io);
 	} else if (probe) {
-		printk(KERN_ERR "Automatic probing failed and no "
+		v4l2_err(v4l2_dev, "Automatic probing failed and no "
 		       "fixed I/O port defined.\n");
 		return -ENODEV;
 	} else {
-		printk(KERN_ERR "Automatic probing disabled but no fixed "
+		v4l2_err(v4l2_dev, "Automatic probing disabled but no fixed "
 		       "I/O port defined.");
 		return -EINVAL;
 	}
 
-	video_set_drvdata(&gemtek_radio, &gemtek_unit);
+	res = v4l2_device_register(NULL, v4l2_dev);
+	if (res < 0) {
+		v4l2_err(v4l2_dev, "Could not register v4l2_device\n");
+		release_region(gt->io, 1);
+		return res;
+	}
 
-	if (video_register_device(&gemtek_radio, VFL_TYPE_RADIO, radio_nr) < 0) {
-		release_region(io, 1);
+	strlcpy(gt->vdev.name, v4l2_dev->name, sizeof(gt->vdev.name));
+	gt->vdev.v4l2_dev = v4l2_dev;
+	gt->vdev.fops = &gemtek_fops;
+	gt->vdev.ioctl_ops = &gemtek_ioctl_ops;
+	gt->vdev.release = video_device_release_empty;
+	video_set_drvdata(&gt->vdev, gt);
+
+	if (video_register_device(&gt->vdev, VFL_TYPE_RADIO, radio_nr) < 0) {
+		v4l2_device_unregister(v4l2_dev);
+		release_region(gt->io, 1);
 		return -EBUSY;
 	}
 
 	/* Set defaults */
-	gemtek_unit.lastfreq = GEMTEK_LOWFREQ;
-	gemtek_unit.bu2614data = 0;
+	gt->lastfreq = GEMTEK_LOWFREQ;
+	gt->bu2614data = 0;
 
 	if (initmute)
-		gemtek_mute(&gemtek_unit);
+		gemtek_mute(gt);
 
 	return 0;
 }
@@ -638,15 +611,19 @@ static int __init gemtek_init(void)
  */
 static void __exit gemtek_exit(void)
 {
+	struct gemtek *gt = &gemtek_card;
+	struct v4l2_device *v4l2_dev = &gt->v4l2_dev;
+
 	if (shutdown) {
 		hardmute = 1;	/* Turn off PLL */
-		gemtek_mute(&gemtek_unit);
+		gemtek_mute(gt);
 	} else {
-		printk(KERN_INFO "Module unloaded but card not muted!\n");
+		v4l2_info(v4l2_dev, "Module unloaded but card not muted!\n");
 	}
 
-	video_unregister_device(&gemtek_radio);
-	release_region(io, 1);
+	video_unregister_device(&gt->vdev);
+	v4l2_device_unregister(&gt->v4l2_dev);
+	release_region(gt->io, 1);
 }
 
 module_init(gemtek_init);
diff --git a/linux/drivers/media/radio/radio-maestro.c b/linux/drivers/media/radio/radio-maestro.c
index 7442be614..b35092f30 100644
--- a/linux/drivers/media/radio/radio-maestro.c
+++ b/linux/drivers/media/radio/radio-maestro.c
@@ -22,28 +22,24 @@
 #include <linux/init.h>
 #include <linux/ioport.h>
 #include <linux/delay.h>
-#include <asm/io.h>
-#include <asm/uaccess.h>
+#include <linux/version.h>      /* for KERNEL_VERSION MACRO     */
 #include <linux/pci.h>
 #include <linux/videodev2.h>
-#include <media/v4l2-common.h>
+#include <linux/io.h>
+#include <linux/uaccess.h>
+#include <media/v4l2-device.h>
 #include <media/v4l2-ioctl.h>
 #include "compat.h"
 
-#include <linux/version.h>      /* for KERNEL_VERSION MACRO     */
-#define RADIO_VERSION KERNEL_VERSION(0,0,6)
-#define DRIVER_VERSION	"0.06"
+MODULE_AUTHOR("Adam Tlalka, atlka@pg.gda.pl");
+MODULE_DESCRIPTION("Radio driver for the Maestro PCI sound card radio.");
+MODULE_LICENSE("GPL");
 
-static struct v4l2_queryctrl radio_qctrl[] = {
-	{
-		.id            = V4L2_CID_AUDIO_MUTE,
-		.name          = "Mute",
-		.minimum       = 0,
-		.maximum       = 1,
-		.default_value = 1,
-		.type          = V4L2_CTRL_TYPE_BOOLEAN,
-	}
-};
+static int radio_nr = -1;
+module_param(radio_nr, int, 0);
+
+#define RADIO_VERSION KERNEL_VERSION(0, 0, 6)
+#define DRIVER_VERSION	"0.06"
 
 #define GPIO_DATA	0x60   /* port offset from ESS_IO_BASE */
 
@@ -73,62 +69,27 @@ static struct v4l2_queryctrl radio_qctrl[] = {
 
 #define BITS2FREQ(x)	((x) * FREQ_STEP - FREQ_IF)
 
-static int radio_nr = -1;
-module_param(radio_nr, int, 0);
+struct maestro {
+	struct v4l2_device v4l2_dev;
+	struct video_device vdev;
+	struct pci_dev *pdev;
+	struct mutex lock;
 
-static unsigned long in_use;
-
-static int maestro_probe(struct pci_dev *pdev, const struct pci_device_id *ent);
+	u16	io;	/* base of Maestro card radio io (GPIO_DATA)*/
+	u16	muted;	/* VIDEO_AUDIO_MUTE */
+	u16	stereo;	/* VIDEO_TUNER_STEREO_ON */
+	u16	tuned;	/* signal strength (0 or 0xffff) */
+};
 
-static int maestro_exclusive_open(struct file *file)
+static inline struct maestro *to_maestro(struct v4l2_device *v4l2_dev)
 {
-	return test_and_set_bit(0, &in_use) ? -EBUSY : 0;
+	return container_of(v4l2_dev, struct maestro, v4l2_dev);
 }
 
-static int maestro_exclusive_release(struct file *file)
+static u32 radio_bits_get(struct maestro *dev)
 {
-	clear_bit(0, &in_use);
-	return 0;
-}
-
-static void maestro_remove(struct pci_dev *pdev);
-
-static struct pci_device_id maestro_r_pci_tbl[] = {
-	{ PCI_DEVICE(PCI_VENDOR_ID_ESS, PCI_DEVICE_ID_ESS_ESS1968),
-		.class = PCI_CLASS_MULTIMEDIA_AUDIO << 8,
-		.class_mask = 0xffff00 },
-	{ PCI_DEVICE(PCI_VENDOR_ID_ESS, PCI_DEVICE_ID_ESS_ESS1978),
-		.class = PCI_CLASS_MULTIMEDIA_AUDIO << 8,
-		.class_mask = 0xffff00 },
-	{ 0 }
-};
-MODULE_DEVICE_TABLE(pci, maestro_r_pci_tbl);
-
-static struct pci_driver maestro_r_driver = {
-	.name		= "maestro_radio",
-	.id_table	= maestro_r_pci_tbl,
-	.probe		= maestro_probe,
-	.remove		= __devexit_p(maestro_remove),
-};
-
-static const struct v4l2_file_operations maestro_fops = {
-	.owner		= THIS_MODULE,
-	.open           = maestro_exclusive_open,
-	.release        = maestro_exclusive_release,
-	.ioctl		= video_ioctl2,
-};
-
-struct radio_device {
-	u16	io,	/* base of Maestro card radio io (GPIO_DATA)*/
-		muted,	/* VIDEO_AUDIO_MUTE */
-		stereo,	/* VIDEO_TUNER_STEREO_ON */
-		tuned;	/* signal strength (0 or 0xffff) */
-};
-
-static u32 radio_bits_get(struct radio_device *dev)
-{
-	register u16 io=dev->io, l, rdata;
-	register u32 data=0;
+	u16 io = dev->io, l, rdata;
+	u32 data = 0;
 	u16 omask;
 
 	omask = inw(io + IO_MASK);
@@ -136,25 +97,23 @@ static u32 radio_bits_get(struct radio_device *dev)
 	outw(0, io);
 	udelay(16);
 
-	for (l=24;l--;) {
+	for (l = 24; l--;) {
 		outw(STR_CLK, io);		/* HI state */
 		udelay(2);
-		if(!l)
+		if (!l)
 			dev->tuned = inw(io) & STR_MOST ? 0 : 0xffff;
 		outw(0, io);			/* LO state */
 		udelay(2);
 		data <<= 1;			/* shift data */
 		rdata = inw(io);
-		if(!l)
-			dev->stereo =  rdata & STR_MOST ?
-			0 : 1;
-		else
-			if(rdata & STR_DATA)
-				data++;
+		if (!l)
+			dev->stereo = (rdata & STR_MOST) ?  0 : 1;
+		else if (rdata & STR_DATA)
+			data++;
 		udelay(2);
 	}
 
-	if(dev->muted)
+	if (dev->muted)
 		outw(STR_WREN, io);
 
 	udelay(4);
@@ -163,18 +122,18 @@ static u32 radio_bits_get(struct radio_device *dev)
 	return data & 0x3ffe;
 }
 
-static void radio_bits_set(struct radio_device *dev, u32 data)
+static void radio_bits_set(struct maestro *dev, u32 data)
 {
-	register u16 io=dev->io, l, bits;
+	u16 io = dev->io, l, bits;
 	u16 omask, odir;
 
 	omask = inw(io + IO_MASK);
-	odir  = (inw(io + IO_DIR) & ~STR_DATA) | (STR_CLK | STR_WREN);
+	odir = (inw(io + IO_DIR) & ~STR_DATA) | (STR_CLK | STR_WREN);
 	outw(odir | STR_DATA, io + IO_DIR);
 	outw(~(STR_DATA | STR_CLK | STR_WREN), io + IO_MASK);
 	udelay(16);
-	for (l=25;l;l--) {
-		bits = ((data >> 18) & STR_DATA) | STR_WREN ;
+	for (l = 25; l; l--) {
+		bits = ((data >> 18) & STR_DATA) | STR_WREN;
 		data <<= 1;			/* shift data */
 		outw(bits, io);			/* start strobe */
 		udelay(2);
@@ -184,7 +143,7 @@ static void radio_bits_set(struct radio_device *dev, u32 data)
 		udelay(4);
 	}
 
-	if(!dev->muted)
+	if (!dev->muted)
 		outw(0, io);
 
 	udelay(4);
@@ -196,78 +155,79 @@ static void radio_bits_set(struct radio_device *dev, u32 data)
 static int vidioc_querycap(struct file *file, void  *priv,
 					struct v4l2_capability *v)
 {
+	struct maestro *dev = video_drvdata(file);
+
 	strlcpy(v->driver, "radio-maestro", sizeof(v->driver));
 	strlcpy(v->card, "Maestro Radio", sizeof(v->card));
-	sprintf(v->bus_info, "PCI");
+	snprintf(v->bus_info, sizeof(v->bus_info), "PCI:%s", pci_name(dev->pdev));
 	v->version = RADIO_VERSION;
-	v->capabilities = V4L2_CAP_TUNER;
+	v->capabilities = V4L2_CAP_TUNER | V4L2_CAP_RADIO;
 	return 0;
 }
 
 static int vidioc_g_tuner(struct file *file, void *priv,
 					struct v4l2_tuner *v)
 {
-	struct radio_device *card = video_drvdata(file);
+	struct maestro *dev = video_drvdata(file);
 
 	if (v->index > 0)
 		return -EINVAL;
 
-	(void)radio_bits_get(card);
+	mutex_lock(&dev->lock);
+	radio_bits_get(dev);
 
-	strcpy(v->name, "FM");
+	strlcpy(v->name, "FM", sizeof(v->name));
 	v->type = V4L2_TUNER_RADIO;
 	v->rangelow = FREQ_LO;
 	v->rangehigh = FREQ_HI;
-	v->rxsubchans = V4L2_TUNER_SUB_MONO|V4L2_TUNER_SUB_STEREO;
+	v->rxsubchans = V4L2_TUNER_SUB_MONO | V4L2_TUNER_SUB_STEREO;
 	v->capability = V4L2_TUNER_CAP_LOW;
-	if(card->stereo)
+	if (dev->stereo)
 		v->audmode = V4L2_TUNER_MODE_STEREO;
 	else
 		v->audmode = V4L2_TUNER_MODE_MONO;
-	v->signal = card->tuned;
+	v->signal = dev->tuned;
+	mutex_unlock(&dev->lock);
 	return 0;
 }
 
 static int vidioc_s_tuner(struct file *file, void *priv,
 					struct v4l2_tuner *v)
 {
-	if (v->index > 0)
-		return -EINVAL;
-	return 0;
+	return v->index ? -EINVAL : 0;
 }
 
 static int vidioc_s_frequency(struct file *file, void *priv,
 					struct v4l2_frequency *f)
 {
-	struct radio_device *card = video_drvdata(file);
+	struct maestro *dev = video_drvdata(file);
 
 	if (f->frequency < FREQ_LO || f->frequency > FREQ_HI)
 		return -EINVAL;
-	radio_bits_set(card, FREQ2BITS(f->frequency));
+	mutex_lock(&dev->lock);
+	radio_bits_set(dev, FREQ2BITS(f->frequency));
+	mutex_unlock(&dev->lock);
 	return 0;
 }
 
 static int vidioc_g_frequency(struct file *file, void *priv,
 					struct v4l2_frequency *f)
 {
-	struct radio_device *card = video_drvdata(file);
+	struct maestro *dev = video_drvdata(file);
 
 	f->type = V4L2_TUNER_RADIO;
-	f->frequency = BITS2FREQ(radio_bits_get(card));
+	mutex_lock(&dev->lock);
+	f->frequency = BITS2FREQ(radio_bits_get(dev));
+	mutex_unlock(&dev->lock);
 	return 0;
 }
 
 static int vidioc_queryctrl(struct file *file, void *priv,
 					struct v4l2_queryctrl *qc)
 {
-	int i;
-
-	for (i = 0; i < ARRAY_SIZE(radio_qctrl); i++) {
-		if (qc->id && qc->id == radio_qctrl[i].id) {
-			memcpy(qc, &(radio_qctrl[i]),
-						sizeof(*qc));
-			return 0;
-		}
+	switch (qc->id) {
+	case V4L2_CID_AUDIO_MUTE:
+		return v4l2_ctrl_query_fill(qc, 0, 1, 1, 1);
 	}
 	return -EINVAL;
 }
@@ -275,11 +235,11 @@ static int vidioc_queryctrl(struct file *file, void *priv,
 static int vidioc_g_ctrl(struct file *file, void *priv,
 					struct v4l2_control *ctrl)
 {
-	struct radio_device *card = video_drvdata(file);
+	struct maestro *dev = video_drvdata(file);
 
 	switch (ctrl->id) {
 	case V4L2_CID_AUDIO_MUTE:
-		ctrl->value = card->muted;
+		ctrl->value = dev->muted;
 		return 0;
 	}
 	return -EINVAL;
@@ -288,56 +248,85 @@ static int vidioc_g_ctrl(struct file *file, void *priv,
 static int vidioc_s_ctrl(struct file *file, void *priv,
 					struct v4l2_control *ctrl)
 {
-	struct radio_device *card = video_drvdata(file);
-	register u16 io = card->io;
-	register u16 omask = inw(io + IO_MASK);
+	struct maestro *dev = video_drvdata(file);
+	u16 io = dev->io;
+	u16 omask;
 
 	switch (ctrl->id) {
 	case V4L2_CID_AUDIO_MUTE:
+		mutex_lock(&dev->lock);
+		omask = inw(io + IO_MASK);
 		outw(~STR_WREN, io + IO_MASK);
-		outw((card->muted = ctrl->value ) ?
-				STR_WREN : 0, io);
+		dev->muted = ctrl->value;
+		outw(dev->muted ? STR_WREN : 0, io);
 		udelay(4);
 		outw(omask, io + IO_MASK);
 		msleep(125);
+		mutex_unlock(&dev->lock);
 		return 0;
 	}
 	return -EINVAL;
 }
 
+static int vidioc_g_input(struct file *filp, void *priv, unsigned int *i)
+{
+	*i = 0;
+	return 0;
+}
+
+static int vidioc_s_input(struct file *filp, void *priv, unsigned int i)
+{
+	return i ? -EINVAL : 0;
+}
+
 static int vidioc_g_audio(struct file *file, void *priv,
 					struct v4l2_audio *a)
 {
-	if (a->index > 1)
-		return -EINVAL;
-
-	strcpy(a->name, "Radio");
+	a->index = 0;
+	strlcpy(a->name, "Radio", sizeof(a->name));
 	a->capability = V4L2_AUDCAP_STEREO;
 	return 0;
 }
 
-static int vidioc_g_input(struct file *filp, void *priv, unsigned int *i)
+static int vidioc_s_audio(struct file *file, void *priv,
+					struct v4l2_audio *a)
 {
-	*i = 0;
-	return 0;
+	return a->index ? -EINVAL : 0;
 }
 
-static int vidioc_s_input(struct file *filp, void *priv, unsigned int i)
+static int maestro_open(struct file *file)
 {
-	if (i != 0)
-		return -EINVAL;
 	return 0;
 }
 
-static int vidioc_s_audio(struct file *file, void *priv,
-					struct v4l2_audio *a)
+static int maestro_release(struct file *file)
 {
-	if (a->index != 0)
-		return -EINVAL;
 	return 0;
 }
 
-static u16 __devinit radio_power_on(struct radio_device *dev)
+static const struct v4l2_file_operations maestro_fops = {
+	.owner		= THIS_MODULE,
+	.open           = maestro_open,
+	.release        = maestro_release,
+	.ioctl		= video_ioctl2,
+};
+
+static const struct v4l2_ioctl_ops maestro_ioctl_ops = {
+	.vidioc_querycap    = vidioc_querycap,
+	.vidioc_g_tuner     = vidioc_g_tuner,
+	.vidioc_s_tuner     = vidioc_s_tuner,
+	.vidioc_g_audio     = vidioc_g_audio,
+	.vidioc_s_audio     = vidioc_s_audio,
+	.vidioc_g_input     = vidioc_g_input,
+	.vidioc_s_input     = vidioc_s_input,
+	.vidioc_g_frequency = vidioc_g_frequency,
+	.vidioc_s_frequency = vidioc_s_frequency,
+	.vidioc_queryctrl   = vidioc_queryctrl,
+	.vidioc_g_ctrl      = vidioc_g_ctrl,
+	.vidioc_s_ctrl      = vidioc_s_ctrl,
+};
+
+static u16 __devinit radio_power_on(struct maestro *dev)
 {
 	register u16 io = dev->io;
 	register u32 ofreq;
@@ -361,33 +350,11 @@ static u16 __devinit radio_power_on(struct radio_device *dev)
 	return (ofreq == radio_bits_get(dev));
 }
 
-static const struct v4l2_ioctl_ops maestro_ioctl_ops = {
-	.vidioc_querycap    = vidioc_querycap,
-	.vidioc_g_tuner     = vidioc_g_tuner,
-	.vidioc_s_tuner     = vidioc_s_tuner,
-	.vidioc_g_audio     = vidioc_g_audio,
-	.vidioc_s_audio     = vidioc_s_audio,
-	.vidioc_g_input     = vidioc_g_input,
-	.vidioc_s_input     = vidioc_s_input,
-	.vidioc_g_frequency = vidioc_g_frequency,
-	.vidioc_s_frequency = vidioc_s_frequency,
-	.vidioc_queryctrl   = vidioc_queryctrl,
-	.vidioc_g_ctrl      = vidioc_g_ctrl,
-	.vidioc_s_ctrl      = vidioc_s_ctrl,
-};
-
-static struct video_device maestro_radio = {
-	.name           = "Maestro radio",
-	.fops           = &maestro_fops,
-	.ioctl_ops 	= &maestro_ioctl_ops,
-	.release	= video_device_release,
-};
-
 static int __devinit maestro_probe(struct pci_dev *pdev,
 	const struct pci_device_id *ent)
 {
-	struct radio_device *radio_unit;
-	struct video_device *maestro_radio_inst;
+	struct maestro *dev;
+	struct v4l2_device *v4l2_dev;
 	int retval;
 
 	retval = pci_enable_device(pdev);
@@ -398,46 +365,53 @@ static int __devinit maestro_probe(struct pci_dev *pdev,
 
 	retval = -ENOMEM;
 
-	radio_unit = kzalloc(sizeof(*radio_unit), GFP_KERNEL);
-	if (radio_unit == NULL) {
+	dev = kzalloc(sizeof(*dev), GFP_KERNEL);
+	if (dev == NULL) {
 		dev_err(&pdev->dev, "not enough memory\n");
 		goto err;
 	}
 
-	radio_unit->io = pci_resource_start(pdev, 0) + GPIO_DATA;
+	v4l2_dev = &dev->v4l2_dev;
+	mutex_init(&dev->lock);
+	dev->pdev = pdev;
 
-	maestro_radio_inst = video_device_alloc();
-	if (maestro_radio_inst == NULL) {
-		dev_err(&pdev->dev, "not enough memory\n");
+	strlcpy(v4l2_dev->name, "maestro", sizeof(v4l2_dev->name));
+
+	retval = v4l2_device_register(&pdev->dev, v4l2_dev);
+	if (retval < 0) {
+		v4l2_err(v4l2_dev, "Could not register v4l2_device\n");
 		goto errfr;
 	}
 
-	memcpy(maestro_radio_inst, &maestro_radio, sizeof(maestro_radio));
-	video_set_drvdata(maestro_radio_inst, radio_unit);
-	pci_set_drvdata(pdev, maestro_radio_inst);
+	dev->io = pci_resource_start(pdev, 0) + GPIO_DATA;
 
-	retval = video_register_device(maestro_radio_inst, VFL_TYPE_RADIO, radio_nr);
+	strlcpy(dev->vdev.name, v4l2_dev->name, sizeof(dev->vdev.name));
+	dev->vdev.v4l2_dev = v4l2_dev;
+	dev->vdev.fops = &maestro_fops;
+	dev->vdev.ioctl_ops = &maestro_ioctl_ops;
+	dev->vdev.release = video_device_release_empty;
+	video_set_drvdata(&dev->vdev, dev);
+
+	retval = video_register_device(&dev->vdev, VFL_TYPE_RADIO, radio_nr);
 	if (retval) {
-		printk(KERN_ERR "can't register video device!\n");
+		v4l2_err(v4l2_dev, "can't register video device!\n");
 		goto errfr1;
 	}
 
-	if (!radio_power_on(radio_unit)) {
+	if (!radio_power_on(dev)) {
 		retval = -EIO;
 		goto errunr;
 	}
 
-	dev_info(&pdev->dev, "version " DRIVER_VERSION " time " __TIME__ "  "
-		 __DATE__ "\n");
-	dev_info(&pdev->dev, "radio chip initialized\n");
+	v4l2_info(v4l2_dev, "version " DRIVER_VERSION "\n");
 
 	return 0;
 errunr:
-	video_unregister_device(maestro_radio_inst);
+	video_unregister_device(&dev->vdev);
 errfr1:
-	video_device_release(maestro_radio_inst);
+	v4l2_device_unregister(v4l2_dev);
 errfr:
-	kfree(radio_unit);
+	kfree(dev);
 err:
 	return retval;
 
@@ -445,11 +419,31 @@ err:
 
 static void __devexit maestro_remove(struct pci_dev *pdev)
 {
-	struct video_device *vdev = pci_get_drvdata(pdev);
+	struct v4l2_device *v4l2_dev = dev_get_drvdata(&pdev->dev);
+	struct maestro *dev = to_maestro(v4l2_dev);
 
-	video_unregister_device(vdev);
+	video_unregister_device(&dev->vdev);
+	v4l2_device_unregister(&dev->v4l2_dev);
 }
 
+static struct pci_device_id maestro_r_pci_tbl[] = {
+	{ PCI_DEVICE(PCI_VENDOR_ID_ESS, PCI_DEVICE_ID_ESS_ESS1968),
+		.class = PCI_CLASS_MULTIMEDIA_AUDIO << 8,
+		.class_mask = 0xffff00 },
+	{ PCI_DEVICE(PCI_VENDOR_ID_ESS, PCI_DEVICE_ID_ESS_ESS1978),
+		.class = PCI_CLASS_MULTIMEDIA_AUDIO << 8,
+		.class_mask = 0xffff00 },
+	{ 0 }
+};
+MODULE_DEVICE_TABLE(pci, maestro_r_pci_tbl);
+
+static struct pci_driver maestro_r_driver = {
+	.name		= "maestro_radio",
+	.id_table	= maestro_r_pci_tbl,
+	.probe		= maestro_probe,
+	.remove		= __devexit_p(maestro_remove),
+};
+
 static int __init maestro_radio_init(void)
 {
 	int retval = pci_register_driver(&maestro_r_driver);
@@ -467,7 +461,3 @@ static void __exit maestro_radio_exit(void)
 
 module_init(maestro_radio_init);
 module_exit(maestro_radio_exit);
-
-MODULE_AUTHOR("Adam Tlalka, atlka@pg.gda.pl");
-MODULE_DESCRIPTION("Radio driver for the Maestro PCI sound card radio.");
-MODULE_LICENSE("GPL");
diff --git a/linux/drivers/media/radio/radio-maxiradio.c b/linux/drivers/media/radio/radio-maxiradio.c
index cb9d07bc7..fa2c5f1ef 100644
--- a/linux/drivers/media/radio/radio-maxiradio.c
+++ b/linux/drivers/media/radio/radio-maxiradio.c
@@ -37,39 +37,34 @@
 #include <linux/init.h>
 #include <linux/ioport.h>
 #include <linux/delay.h>
-#include <asm/io.h>
-#include <asm/uaccess.h>
 #include <linux/mutex.h>
-
 #include <linux/pci.h>
 #include <linux/videodev2.h>
-#include <media/v4l2-common.h>
+#include <linux/version.h>      /* for KERNEL_VERSION MACRO     */
+#include <linux/io.h>
+#include <linux/uaccess.h>
+#include <media/v4l2-device.h>
 #include <media/v4l2-ioctl.h>
 #include "compat.h"
 
+MODULE_AUTHOR("Dimitromanolakis Apostolos, apdim@grecian.net");
+MODULE_DESCRIPTION("Radio driver for the Guillemot Maxi Radio FM2000 radio.");
+MODULE_LICENSE("GPL");
+
+static int radio_nr = -1;
+module_param(radio_nr, int, 0);
+
+static int debug;
+
+module_param(debug, int, 0644);
+MODULE_PARM_DESC(debug, "activates debug info");
+
 #define DRIVER_VERSION	"0.77"
 
-#include <linux/version.h>      /* for KERNEL_VERSION MACRO     */
-#define RADIO_VERSION KERNEL_VERSION(0,7,7)
-
-static struct video_device maxiradio_radio;
-
-#define dprintk(num, fmt, arg...)                                          \
-	do {                                                               \
-		if (maxiradio_radio.debug >= num)                          \
-			printk(KERN_DEBUG "%s: " fmt,                      \
-				maxiradio_radio.name, ## arg); } while (0)
-
-static struct v4l2_queryctrl radio_qctrl[] = {
-	{
-		.id            = V4L2_CID_AUDIO_MUTE,
-		.name          = "Mute",
-		.minimum       = 0,
-		.maximum       = 1,
-		.default_value = 1,
-		.type          = V4L2_CTRL_TYPE_BOOLEAN,
-	}
-};
+#define RADIO_VERSION KERNEL_VERSION(0, 7, 7)
+
+#define dprintk(dev, num, fmt, arg...) \
+	v4l2_dbg(num, debug, &dev->v4l2_dev, fmt, ## arg)
 
 #ifndef PCI_VENDOR_ID_GUILLEMOT
 #define PCI_VENDOR_ID_GUILLEMOT 0x5046
@@ -81,90 +76,70 @@ static struct v4l2_queryctrl radio_qctrl[] = {
 
 
 /* TEA5757 pin mappings */
-static const int clk = 1, data = 2, wren = 4, mo_st = 8, power = 16 ;
-
-static int radio_nr = -1;
-module_param(radio_nr, int, 0);
+static const int clk = 1, data = 2, wren = 4, mo_st = 8, power = 16;
 
-static unsigned long in_use;
-
-#define FREQ_LO		 50*16000
-#define FREQ_HI		150*16000
+#define FREQ_LO		(50 * 16000)
+#define FREQ_HI		(150 * 16000)
 
 #define FREQ_IF         171200 /* 10.7*16000   */
 #define FREQ_STEP       200    /* 12.5*16      */
 
 /* (x==fmhz*16*1000) -> bits */
-#define FREQ2BITS(x)	((( (unsigned int)(x)+FREQ_IF+(FREQ_STEP<<1)) \
-			/(FREQ_STEP<<2))<<2)
+#define FREQ2BITS(x) \
+  ((((unsigned int)(x) + FREQ_IF + (FREQ_STEP << 1)) / (FREQ_STEP << 2)) << 2)
 
 #define BITS2FREQ(x)	((x) * FREQ_STEP - FREQ_IF)
 
 
-static int maxiradio_exclusive_open(struct file *file)
+struct maxiradio
 {
-	return test_and_set_bit(0, &in_use) ? -EBUSY : 0;
-}
-
-static int maxiradio_exclusive_release(struct file *file)
-{
-	clear_bit(0, &in_use);
-	return 0;
-}
-
-static const struct v4l2_file_operations maxiradio_fops = {
-	.owner		= THIS_MODULE,
-	.open           = maxiradio_exclusive_open,
-	.release        = maxiradio_exclusive_release,
-	.ioctl          = video_ioctl2,
-};
+	struct v4l2_device v4l2_dev;
+	struct video_device vdev;
+	struct pci_dev *pdev;
 
-static struct radio_device
-{
-	__u16	io,	/* base of radio io */
-		muted,	/* VIDEO_AUDIO_MUTE */
-		stereo,	/* VIDEO_TUNER_STEREO_ON */
-		tuned;	/* signal strength (0 or 0xffff) */
+	u16	io;	/* base of radio io */
+	u16	muted;	/* VIDEO_AUDIO_MUTE */
+	u16	stereo;	/* VIDEO_TUNER_STEREO_ON */
+	u16	tuned;	/* signal strength (0 or 0xffff) */
 
 	unsigned long freq;
 
 	struct mutex lock;
-} radio_unit = {
-	.muted =1,
-	.freq = FREQ_LO,
 };
 
-static void outbit(unsigned long bit, __u16 io)
+static inline struct maxiradio *to_maxiradio(struct v4l2_device *v4l2_dev)
 {
-	if (bit != 0)
-		{
-			outb(  power|wren|data     ,io); udelay(4);
-			outb(  power|wren|data|clk ,io); udelay(4);
-			outb(  power|wren|data     ,io); udelay(4);
-		}
-	else
-		{
-			outb(  power|wren          ,io); udelay(4);
-			outb(  power|wren|clk      ,io); udelay(4);
-			outb(  power|wren          ,io); udelay(4);
-		}
+	return container_of(v4l2_dev, struct maxiradio, v4l2_dev);
 }
 
-static void turn_power(__u16 io, int p)
+static void outbit(unsigned long bit, u16 io)
+{
+	int val = power | wren | (bit ? data : 0);
+
+	outb(val, io);
+	udelay(4);
+	outb(val | clk, io);
+	udelay(4);
+	outb(val, io);
+	udelay(4);
+}
+
+static void turn_power(struct maxiradio *dev, int p)
 {
 	if (p != 0) {
-		dprintk(1, "Radio powered on\n");
-		outb(power, io);
+		dprintk(dev, 1, "Radio powered on\n");
+		outb(power, dev->io);
 	} else {
-		dprintk(1, "Radio powered off\n");
-		outb(0,io);
+		dprintk(dev, 1, "Radio powered off\n");
+		outb(0, dev->io);
 	}
 }
 
-static void set_freq(__u16 io, __u32 freq)
+static void set_freq(struct maxiradio *dev, u32 freq)
 {
 	unsigned long int si;
 	int bl;
+	int io = dev->io;
 	int val = FREQ2BITS(freq);
 
 	/* TEA5757 shift register bits (see pdf) */
@@ -189,14 +164,14 @@ static void set_freq(__u16 io, __u32 freq)
 		si >>= 1;
 	}
 
-	dprintk(1, "Radio freq set to %d.%02d MHz\n",
+	dprintk(dev, 1, "Radio freq set to %d.%02d MHz\n",
 				freq / 16000,
 				freq % 16000 * 100 / 16000);
 
-	turn_power(io, 1);
+	turn_power(dev, 1);
 }
 
-static int get_stereo(__u16 io)
+static int get_stereo(u16 io)
 {
 	outb(power,io);
 	udelay(4);
@@ -204,7 +179,7 @@ static int get_stereo(__u16 io)
 	return !(inb(io) & mo_st);
 }
 
-static int get_tune(__u16 io)
+static int get_tune(u16 io)
 {
 	outb(power+clk,io);
 	udelay(4);
@@ -213,95 +188,84 @@ static int get_tune(__u16 io)
 }
 
 
-static int vidioc_querycap (struct file *file, void  *priv,
+static int vidioc_querycap(struct file *file, void  *priv,
 			    struct v4l2_capability *v)
 {
-	strlcpy(v->driver, "radio-maxiradio", sizeof (v->driver));
-	strlcpy(v->card, "Maxi Radio FM2000 radio", sizeof (v->card));
-	sprintf(v->bus_info,"ISA");
-	v->version = RADIO_VERSION;
-	v->capabilities = V4L2_CAP_TUNER;
+	struct maxiradio *dev = video_drvdata(file);
 
+	strlcpy(v->driver, "radio-maxiradio", sizeof(v->driver));
+	strlcpy(v->card, "Maxi Radio FM2000 radio", sizeof(v->card));
+	snprintf(v->bus_info, sizeof(v->bus_info), "PCI:%s", pci_name(dev->pdev));
+	v->version = RADIO_VERSION;
+	v->capabilities = V4L2_CAP_TUNER | V4L2_CAP_RADIO;
 	return 0;
 }
 
-static int vidioc_g_tuner (struct file *file, void *priv,
+static int vidioc_g_tuner(struct file *file, void *priv,
 			   struct v4l2_tuner *v)
 {
-	struct radio_device *card = video_drvdata(file);
+	struct maxiradio *dev = video_drvdata(file);
 
 	if (v->index > 0)
 		return -EINVAL;
 
-	memset(v,0,sizeof(*v));
-	strcpy(v->name, "FM");
+	mutex_lock(&dev->lock);
+	strlcpy(v->name, "FM", sizeof(v->name));
 	v->type = V4L2_TUNER_RADIO;
-
-	v->rangelow=FREQ_LO;
-	v->rangehigh=FREQ_HI;
-	v->rxsubchans =V4L2_TUNER_SUB_MONO|V4L2_TUNER_SUB_STEREO;
-	v->capability=V4L2_TUNER_CAP_LOW;
-	if(get_stereo(card->io))
+	v->rangelow = FREQ_LO;
+	v->rangehigh = FREQ_HI;
+	v->rxsubchans = V4L2_TUNER_SUB_MONO | V4L2_TUNER_SUB_STEREO;
+	v->capability = V4L2_TUNER_CAP_LOW;
+	if (get_stereo(dev->io))
 		v->audmode = V4L2_TUNER_MODE_STEREO;
 	else
 		v->audmode = V4L2_TUNER_MODE_MONO;
-	v->signal=0xffff*get_tune(card->io);
+	v->signal = 0xffff * get_tune(dev->io);
+	mutex_unlock(&dev->lock);
 
 	return 0;
 }
 
-static int vidioc_s_tuner (struct file *file, void *priv,
+static int vidioc_s_tuner(struct file *file, void *priv,
 			   struct v4l2_tuner *v)
 {
-	if (v->index > 0)
-		return -EINVAL;
-
-	return 0;
-}
-
-static int vidioc_g_audio (struct file *file, void *priv,
-			   struct v4l2_audio *a)
-{
-	if (a->index > 1)
-		return -EINVAL;
-
-	strcpy(a->name, "FM");
-	a->capability = V4L2_AUDCAP_STEREO;
-	return 0;
+	return v->index ? -EINVAL : 0;
 }
 
 static int vidioc_g_input(struct file *filp, void *priv, unsigned int *i)
 {
 	*i = 0;
-
 	return 0;
 }
 
 static int vidioc_s_input(struct file *filp, void *priv, unsigned int i)
 {
-	if (i != 0)
-		return -EINVAL;
+	return i ? -EINVAL : 0;
+}
 
+static int vidioc_g_audio(struct file *file, void *priv,
+			   struct v4l2_audio *a)
+{
+	a->index = 0;
+	strlcpy(a->name, "Radio", sizeof(a->name));
+	a->capability = V4L2_AUDCAP_STEREO;
 	return 0;
 }
 
 
-static int vidioc_s_audio (struct file *file, void *priv,
+static int vidioc_s_audio(struct file *file, void *priv,
 			   struct v4l2_audio *a)
 {
-	if (a->index != 0)
-		return -EINVAL;
-
-	return 0;
+	return a->index ? -EINVAL : 0;
 }
 
-static int vidioc_s_frequency (struct file *file, void *priv,
+static int vidioc_s_frequency(struct file *file, void *priv,
 			       struct v4l2_frequency *f)
 {
-	struct radio_device *card = video_drvdata(file);
+	struct maxiradio *dev = video_drvdata(file);
 
 	if (f->frequency < FREQ_LO || f->frequency > FREQ_HI) {
-		dprintk(1, "radio freq (%d.%02d MHz) out of range (%d-%d)\n",
+		dprintk(dev, 1, "radio freq (%d.%02d MHz) out of range (%d-%d)\n",
 					f->frequency / 16000,
 					f->frequency % 16000 * 100 / 16000,
 					FREQ_LO / 16000, FREQ_HI / 16000);
@@ -309,75 +273,91 @@ static int vidioc_s_frequency (struct file *file, void *priv,
 		return -EINVAL;
 	}
 
-	card->freq = f->frequency;
-	set_freq(card->io, card->freq);
+	mutex_lock(&dev->lock);
+	dev->freq = f->frequency;
+	set_freq(dev, dev->freq);
 	msleep(125);
+	mutex_unlock(&dev->lock);
 
 	return 0;
 }
 
-static int vidioc_g_frequency (struct file *file, void *priv,
+static int vidioc_g_frequency(struct file *file, void *priv,
 			       struct v4l2_frequency *f)
 {
-	struct radio_device *card = video_drvdata(file);
+	struct maxiradio *dev = video_drvdata(file);
 
 	f->type = V4L2_TUNER_RADIO;
-	f->frequency = card->freq;
+	f->frequency = dev->freq;
 
-	dprintk(4, "radio freq is %d.%02d MHz",
+	dprintk(dev, 4, "radio freq is %d.%02d MHz",
 				f->frequency / 16000,
 				f->frequency % 16000 * 100 / 16000);
 
 	return 0;
 }
 
-static int vidioc_queryctrl (struct file *file, void *priv,
+static int vidioc_queryctrl(struct file *file, void *priv,
 			     struct v4l2_queryctrl *qc)
 {
-	int i;
-
-	for (i = 0; i < ARRAY_SIZE(radio_qctrl); i++) {
-		if (qc->id && qc->id == radio_qctrl[i].id) {
-			memcpy(qc, &(radio_qctrl[i]), sizeof(*qc));
-			return (0);
-		}
+	switch (qc->id) {
+	case V4L2_CID_AUDIO_MUTE:
+		return v4l2_ctrl_query_fill(qc, 0, 1, 1, 1);
 	}
-
 	return -EINVAL;
 }
 
-static int vidioc_g_ctrl (struct file *file, void *priv,
-			    struct v4l2_control *ctrl)
+static int vidioc_g_ctrl(struct file *file, void *priv,
+		struct v4l2_control *ctrl)
 {
-	struct radio_device *card = video_drvdata(file);
+	struct maxiradio *dev = video_drvdata(file);
 
 	switch (ctrl->id) {
-		case V4L2_CID_AUDIO_MUTE:
-			ctrl->value=card->muted;
-			return (0);
+	case V4L2_CID_AUDIO_MUTE:
+		ctrl->value = dev->muted;
+		return 0;
 	}
 
 	return -EINVAL;
 }
 
-static int vidioc_s_ctrl (struct file *file, void *priv,
-			  struct v4l2_control *ctrl)
+static int vidioc_s_ctrl(struct file *file, void *priv,
+		struct v4l2_control *ctrl)
 {
-	struct radio_device *card = video_drvdata(file);
+	struct maxiradio *dev = video_drvdata(file);
 
 	switch (ctrl->id) {
-		case V4L2_CID_AUDIO_MUTE:
-			card->muted = ctrl->value;
-			if(card->muted)
-				turn_power(card->io, 0);
-			else
-				set_freq(card->io, card->freq);
-			return 0;
+	case V4L2_CID_AUDIO_MUTE:
+		mutex_lock(&dev->lock);
+		dev->muted = ctrl->value;
+		if (dev->muted)
+			turn_power(dev, 0);
+		else
+			set_freq(dev, dev->freq);
+		mutex_unlock(&dev->lock);
+		return 0;
 	}
 
 	return -EINVAL;
 }
 
+static int maxiradio_open(struct file *file)
+{
+	return 0;
+}
+
+static int maxiradio_release(struct file *file)
+{
+	return 0;
+}
+
+static const struct v4l2_file_operations maxiradio_fops = {
+	.owner		= THIS_MODULE,
+	.open           = maxiradio_open,
+	.release        = maxiradio_release,
+	.ioctl          = video_ioctl2,
+};
+
 static const struct v4l2_ioctl_ops maxiradio_ioctl_ops = {
 	.vidioc_querycap    = vidioc_querycap,
 	.vidioc_g_tuner     = vidioc_g_tuner,
@@ -393,60 +373,84 @@ static const struct v4l2_ioctl_ops maxiradio_ioctl_ops = {
 	.vidioc_s_ctrl      = vidioc_s_ctrl,
 };
 
-static struct video_device maxiradio_radio = {
-	.name		= "Maxi Radio FM2000 radio",
-	.fops           = &maxiradio_fops,
-	.ioctl_ops 	= &maxiradio_ioctl_ops,
-	.release	= video_device_release_empty,
-};
-
 static int __devinit maxiradio_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
 {
-	if(!request_region(pci_resource_start(pdev, 0),
+	struct maxiradio *dev;
+	struct v4l2_device *v4l2_dev;
+	int retval = -ENOMEM;
+
+	dev = kzalloc(sizeof(*dev), GFP_KERNEL);
+	if (dev == NULL) {
+		dev_err(&pdev->dev, "not enough memory\n");
+		return -ENOMEM;
+	}
+
+	v4l2_dev = &dev->v4l2_dev;
+	mutex_init(&dev->lock);
+	dev->pdev = pdev;
+	dev->muted = 1;
+	dev->freq = FREQ_LO;
+
+	strlcpy(v4l2_dev->name, "maxiradio", sizeof(v4l2_dev->name));
+
+	retval = v4l2_device_register(&pdev->dev, v4l2_dev);
+	if (retval < 0) {
+		v4l2_err(v4l2_dev, "Could not register v4l2_device\n");
+		goto errfr;
+	}
+
+	if (!request_region(pci_resource_start(pdev, 0),
 			   pci_resource_len(pdev, 0), "Maxi Radio FM 2000")) {
-		printk(KERN_ERR "radio-maxiradio: can't reserve I/O ports\n");
+		v4l2_err(v4l2_dev, "can't reserve I/O ports\n");
 		goto err_out;
 	}
 
 	if (pci_enable_device(pdev))
 		goto err_out_free_region;
 
-	radio_unit.io = pci_resource_start(pdev, 0);
-	mutex_init(&radio_unit.lock);
-	video_set_drvdata(&maxiradio_radio, &radio_unit);
+	dev->io = pci_resource_start(pdev, 0);
+	strlcpy(dev->vdev.name, v4l2_dev->name, sizeof(dev->vdev.name));
+	dev->vdev.v4l2_dev = v4l2_dev;
+	dev->vdev.fops = &maxiradio_fops;
+	dev->vdev.ioctl_ops = &maxiradio_ioctl_ops;
+	dev->vdev.release = video_device_release_empty;
+	video_set_drvdata(&dev->vdev, dev);
 
-	if (video_register_device(&maxiradio_radio, VFL_TYPE_RADIO, radio_nr) < 0) {
-		printk("radio-maxiradio: can't register device!");
+	if (video_register_device(&dev->vdev, VFL_TYPE_RADIO, radio_nr) < 0) {
+		v4l2_err(v4l2_dev, "can't register device!");
 		goto err_out_free_region;
 	}
 
-	printk(KERN_INFO "radio-maxiradio: version "
-	       DRIVER_VERSION
-	       " time "
-	       __TIME__ "  "
-	       __DATE__
-	       "\n");
+	v4l2_info(v4l2_dev, "version " DRIVER_VERSION
+			" time " __TIME__ "  " __DATE__ "\n");
 
-	printk(KERN_INFO "radio-maxiradio: found Guillemot MAXI Radio device (io = 0x%x)\n",
-	       radio_unit.io);
+	v4l2_info(v4l2_dev, "found Guillemot MAXI Radio device (io = 0x%x)\n",
+	       dev->io);
 	return 0;
 
 err_out_free_region:
 	release_region(pci_resource_start(pdev, 0), pci_resource_len(pdev, 0));
 err_out:
+	v4l2_device_unregister(v4l2_dev);
+errfr:
+	kfree(dev);
 	return -ENODEV;
 }
 
 static void __devexit maxiradio_remove_one(struct pci_dev *pdev)
 {
-	video_unregister_device(&maxiradio_radio);
+	struct v4l2_device *v4l2_dev = dev_get_drvdata(&pdev->dev);
+	struct maxiradio *dev = to_maxiradio(v4l2_dev);
+
+	video_unregister_device(&dev->vdev);
+	v4l2_device_unregister(&dev->v4l2_dev);
 	release_region(pci_resource_start(pdev, 0), pci_resource_len(pdev, 0));
 }
 
 static struct pci_device_id maxiradio_pci_tbl[] = {
 	{ PCI_VENDOR_ID_GUILLEMOT, PCI_DEVICE_ID_GUILLEMOT_MAXIRADIO,
 		PCI_ANY_ID, PCI_ANY_ID, },
-	{ 0,}
+	{ 0 }
 };
 
 MODULE_DEVICE_TABLE(pci, maxiradio_pci_tbl);
@@ -470,10 +474,3 @@ static void __exit maxiradio_radio_exit(void)
 
 module_init(maxiradio_radio_init);
 module_exit(maxiradio_radio_exit);
-
-MODULE_AUTHOR("Dimitromanolakis Apostolos, apdim@grecian.net");
-MODULE_DESCRIPTION("Radio driver for the Guillemot Maxi Radio FM2000 radio.");
-MODULE_LICENSE("GPL");
-
-module_param_named(debug,maxiradio_radio.debug, int, 0644);
-MODULE_PARM_DESC(debug,"activates debug info");
diff --git a/linux/drivers/media/radio/radio-rtrack2.c b/linux/drivers/media/radio/radio-rtrack2.c
index fa9e243c8..93b3da04a 100644
--- a/linux/drivers/media/radio/radio-rtrack2.c
+++ b/linux/drivers/media/radio/radio-rtrack2.c
@@ -13,35 +13,18 @@
 #include <linux/init.h>		/* Initdata			*/
 #include <linux/ioport.h>	/* request_region		*/
 #include <linux/delay.h>	/* udelay			*/
-#include <asm/io.h>		/* outb, outb_p			*/
-#include <asm/uaccess.h>	/* copy to/from user		*/
-#include "compat.h"
 #include <linux/videodev2.h>	/* kernel radio structs		*/
-#include <media/v4l2-common.h>
+#include <linux/mutex.h>
+#include <linux/version.h>      /* for KERNEL_VERSION MACRO     */
+#include <linux/io.h>		/* outb, outb_p			*/
+#include <linux/uaccess.h>	/* copy to/from user		*/
+#include <media/v4l2-device.h>
 #include <media/v4l2-ioctl.h>
-#include <linux/spinlock.h>
+#include "compat.h"
 
-#include <linux/version.h>      /* for KERNEL_VERSION MACRO     */
-#define RADIO_VERSION KERNEL_VERSION(0,0,2)
-
-static struct v4l2_queryctrl radio_qctrl[] = {
-	{
-		.id            = V4L2_CID_AUDIO_MUTE,
-		.name          = "Mute",
-		.minimum       = 0,
-		.maximum       = 1,
-		.default_value = 1,
-		.type          = V4L2_CTRL_TYPE_BOOLEAN,
-	},{
-		.id            = V4L2_CID_AUDIO_VOLUME,
-		.name          = "Volume",
-		.minimum       = 0,
-		.maximum       = 65535,
-		.step          = 65535,
-		.default_value = 0xff,
-		.type          = V4L2_CTRL_TYPE_INTEGER,
-	}
-};
+MODULE_AUTHOR("Ben Pfaff");
+MODULE_DESCRIPTION("A driver for the RadioTrack II radio card.");
+MODULE_LICENSE("GPL");
 
 #ifndef CONFIG_RADIO_RTRACK2_PORT
 #define CONFIG_RADIO_RTRACK2_PORT -1
@@ -49,79 +32,89 @@ static struct v4l2_queryctrl radio_qctrl[] = {
 
 static int io = CONFIG_RADIO_RTRACK2_PORT;
 static int radio_nr = -1;
-static spinlock_t lock;
 
-struct rt_device
+module_param(io, int, 0);
+MODULE_PARM_DESC(io, "I/O address of the RadioTrack card (0x20c or 0x30c)");
+module_param(radio_nr, int, 0);
+
+#define RADIO_VERSION KERNEL_VERSION(0, 0, 2)
+
+struct rtrack2
 {
-	unsigned long in_use;
-	int port;
+	struct v4l2_device v4l2_dev;
+	struct video_device vdev;
+	int io;
 	unsigned long curfreq;
 	int muted;
+	struct mutex lock;
 };
 
+static struct rtrack2 rtrack2_card;
+
 
 /* local things */
 
-static void rt_mute(struct rt_device *dev)
+static void rt_mute(struct rtrack2 *dev)
 {
-	if(dev->muted)
+	if (dev->muted)
 		return;
-	spin_lock(&lock);
-	outb(1, io);
-	spin_unlock(&lock);
+	mutex_lock(&dev->lock);
+	outb(1, dev->io);
+	mutex_unlock(&dev->lock);
+	mutex_unlock(&dev->lock);
 	dev->muted = 1;
 }
 
-static void rt_unmute(struct rt_device *dev)
+static void rt_unmute(struct rtrack2 *dev)
 {
 	if(dev->muted == 0)
 		return;
-	spin_lock(&lock);
-	outb(0, io);
-	spin_unlock(&lock);
+	mutex_lock(&dev->lock);
+	outb(0, dev->io);
+	mutex_unlock(&dev->lock);
 	dev->muted = 0;
 }
 
-static void zero(void)
+static void zero(struct rtrack2 *dev)
 {
-	outb_p(1, io);
-	outb_p(3, io);
-	outb_p(1, io);
+	outb_p(1, dev->io);
+	outb_p(3, dev->io);
+	outb_p(1, dev->io);
 }
 
-static void one(void)
+static void one(struct rtrack2 *dev)
 {
-	outb_p(5, io);
-	outb_p(7, io);
-	outb_p(5, io);
+	outb_p(5, dev->io);
+	outb_p(7, dev->io);
+	outb_p(5, dev->io);
 }
 
-static int rt_setfreq(struct rt_device *dev, unsigned long freq)
+static int rt_setfreq(struct rtrack2 *dev, unsigned long freq)
 {
 	int i;
 
+	mutex_lock(&dev->lock);
+	dev->curfreq = freq;
 	freq = freq / 200 + 856;
 
-	spin_lock(&lock);
-
-	outb_p(0xc8, io);
-	outb_p(0xc9, io);
-	outb_p(0xc9, io);
+	outb_p(0xc8, dev->io);
+	outb_p(0xc9, dev->io);
+	outb_p(0xc9, dev->io);
 
 	for (i = 0; i < 10; i++)
-		zero ();
+		zero(dev);
 
 	for (i = 14; i >= 0; i--)
 		if (freq & (1 << i))
-			one ();
+			one(dev);
 		else
-			zero ();
+			zero(dev);
 
-	outb_p(0xc8, io);
+	outb_p(0xc8, dev->io);
 	if (!dev->muted)
-		outb_p(0, io);
+		outb_p(0, dev->io);
 
-	spin_unlock(&lock);
+	mutex_unlock(&dev->lock);
 	return 0;
 }
 
@@ -130,61 +123,61 @@ static int vidioc_querycap(struct file *file, void *priv,
 {
 	strlcpy(v->driver, "radio-rtrack2", sizeof(v->driver));
 	strlcpy(v->card, "RadioTrack II", sizeof(v->card));
-	sprintf(v->bus_info, "ISA");
+	strlcpy(v->bus_info, "ISA", sizeof(v->bus_info));
 	v->version = RADIO_VERSION;
-	v->capabilities = V4L2_CAP_TUNER;
+	v->capabilities = V4L2_CAP_TUNER | V4L2_CAP_RADIO;
 	return 0;
 }
 
 static int vidioc_s_tuner(struct file *file, void *priv,
 				struct v4l2_tuner *v)
 {
-	if (v->index > 0)
-		return -EINVAL;
-
-	return 0;
+	return v->index ? -EINVAL : 0;
 }
 
-static int rt_getsigstr(struct rt_device *dev)
+static int rt_getsigstr(struct rtrack2 *dev)
 {
-	if (inb(io) & 2)	/* bit set = no signal present	*/
-		return 0;
-	return 1;		/* signal present		*/
+	int sig = 1;
+
+	mutex_lock(&dev->lock);
+	if (inb(dev->io) & 2)	/* bit set = no signal present	*/
+		sig = 0;
+	mutex_unlock(&dev->lock);
+	return sig;
 }
 
 static int vidioc_g_tuner(struct file *file, void *priv,
 				struct v4l2_tuner *v)
 {
-	struct rt_device *rt = video_drvdata(file);
+	struct rtrack2 *rt = video_drvdata(file);
 
 	if (v->index > 0)
 		return -EINVAL;
 
-	strcpy(v->name, "FM");
+	strlcpy(v->name, "FM", sizeof(v->name));
 	v->type = V4L2_TUNER_RADIO;
-	v->rangelow = (88*16000);
-	v->rangehigh = (108*16000);
+	v->rangelow = 88 * 16000;
+	v->rangehigh = 108 * 16000;
 	v->rxsubchans = V4L2_TUNER_SUB_MONO;
 	v->capability = V4L2_TUNER_CAP_LOW;
 	v->audmode = V4L2_TUNER_MODE_MONO;
-	v->signal = 0xFFFF*rt_getsigstr(rt);
+	v->signal = 0xFFFF * rt_getsigstr(rt);
 	return 0;
 }
 
 static int vidioc_s_frequency(struct file *file, void *priv,
 				struct v4l2_frequency *f)
 {
-	struct rt_device *rt = video_drvdata(file);
+	struct rtrack2 *rt = video_drvdata(file);
 
-	rt->curfreq = f->frequency;
-	rt_setfreq(rt, rt->curfreq);
+	rt_setfreq(rt, f->frequency);
 	return 0;
 }
 
 static int vidioc_g_frequency(struct file *file, void *priv,
 				struct v4l2_frequency *f)
 {
-	struct rt_device *rt = video_drvdata(file);
+	struct rtrack2 *rt = video_drvdata(file);
 
 	f->type = V4L2_TUNER_RADIO;
 	f->frequency = rt->curfreq;
@@ -194,14 +187,11 @@ static int vidioc_g_frequency(struct file *file, void *priv,
 static int vidioc_queryctrl(struct file *file, void *priv,
 				struct v4l2_queryctrl *qc)
 {
-	int i;
-
-	for (i = 0; i < ARRAY_SIZE(radio_qctrl); i++) {
-		if (qc->id && qc->id == radio_qctrl[i].id) {
-			memcpy(qc, &(radio_qctrl[i]),
-						sizeof(*qc));
-			return 0;
-		}
+	switch (qc->id) {
+	case V4L2_CID_AUDIO_MUTE:
+		return v4l2_ctrl_query_fill(qc, 0, 1, 1, 1);
+	case V4L2_CID_AUDIO_VOLUME:
+		return v4l2_ctrl_query_fill(qc, 0, 65535, 65535, 65535);
 	}
 	return -EINVAL;
 }
@@ -209,7 +199,7 @@ static int vidioc_queryctrl(struct file *file, void *priv,
 static int vidioc_g_ctrl(struct file *file, void *priv,
 				struct v4l2_control *ctrl)
 {
-	struct rt_device *rt = video_drvdata(file);
+	struct rtrack2 *rt = video_drvdata(file);
 
 	switch (ctrl->id) {
 	case V4L2_CID_AUDIO_MUTE:
@@ -228,7 +218,7 @@ static int vidioc_g_ctrl(struct file *file, void *priv,
 static int vidioc_s_ctrl(struct file *file, void *priv,
 				struct v4l2_control *ctrl)
 {
-	struct rt_device *rt = video_drvdata(file);
+	struct rtrack2 *rt = video_drvdata(file);
 
 	switch (ctrl->id) {
 	case V4L2_CID_AUDIO_MUTE:
@@ -247,17 +237,6 @@ static int vidioc_s_ctrl(struct file *file, void *priv,
 	return -EINVAL;
 }
 
-static int vidioc_g_audio(struct file *file, void *priv,
-				struct v4l2_audio *a)
-{
-	if (a->index > 1)
-		return -EINVAL;
-
-	strcpy(a->name, "Radio");
-	a->capability = V4L2_AUDCAP_STEREO;
-	return 0;
-}
-
 static int vidioc_g_input(struct file *filp, void *priv, unsigned int *i)
 {
 	*i = 0;
@@ -266,36 +245,38 @@ static int vidioc_g_input(struct file *filp, void *priv, unsigned int *i)
 
 static int vidioc_s_input(struct file *filp, void *priv, unsigned int i)
 {
-	if (i != 0)
-		return -EINVAL;
-	return 0;
+	return i ? -EINVAL : 0;
 }
 
-static int vidioc_s_audio(struct file *file, void *priv,
+static int vidioc_g_audio(struct file *file, void *priv,
 				struct v4l2_audio *a)
 {
-	if (a->index != 0)
-		return -EINVAL;
+	a->index = 0;
+	strlcpy(a->name, "Radio", sizeof(a->name));
+	a->capability = V4L2_AUDCAP_STEREO;
 	return 0;
 }
 
-static struct rt_device rtrack2_unit;
+static int vidioc_s_audio(struct file *file, void *priv,
+				struct v4l2_audio *a)
+{
+	return a->index ? -EINVAL : 0;
+}
 
-static int rtrack2_exclusive_open(struct file *file)
+static int rtrack2_open(struct file *file)
 {
-	return test_and_set_bit(0, &rtrack2_unit.in_use) ? -EBUSY : 0;
+	return 0;
 }
 
-static int rtrack2_exclusive_release(struct file *file)
+static int rtrack2_release(struct file *file)
 {
-	clear_bit(0, &rtrack2_unit.in_use);
 	return 0;
 }
 
 static const struct v4l2_file_operations rtrack2_fops = {
 	.owner		= THIS_MODULE,
-	.open           = rtrack2_exclusive_open,
-	.release        = rtrack2_exclusive_release,
+	.open           = rtrack2_open,
+	.release        = rtrack2_release,
 	.ioctl		= video_ioctl2,
 };
 
@@ -314,62 +295,61 @@ static const struct v4l2_ioctl_ops rtrack2_ioctl_ops = {
 	.vidioc_s_input     = vidioc_s_input,
 };
 
-static struct video_device rtrack2_radio = {
-	.name		= "RadioTrack II radio",
-	.fops           = &rtrack2_fops,
-	.ioctl_ops 	= &rtrack2_ioctl_ops,
-	.release	= video_device_release_empty,
-};
-
 static int __init rtrack2_init(void)
 {
-	if(io==-1)
-	{
-		printk(KERN_ERR "You must set an I/O address with io=0x20c or io=0x30c\n");
+	struct rtrack2 *dev = &rtrack2_card;
+	struct v4l2_device *v4l2_dev = &dev->v4l2_dev;
+	int res;
+
+	strlcpy(v4l2_dev->name, "rtrack2", sizeof(v4l2_dev->name));
+	dev->io = io;
+	if (dev->io == -1) {
+		v4l2_err(v4l2_dev, "You must set an I/O address with io=0x20c or io=0x30c\n");
 		return -EINVAL;
 	}
-	if (!request_region(io, 4, "rtrack2"))
-	{
-		printk(KERN_ERR "rtrack2: port 0x%x already in use\n", io);
+	if (!request_region(dev->io, 4, "rtrack2")) {
+		v4l2_err(v4l2_dev, "port 0x%x already in use\n", dev->io);
 		return -EBUSY;
 	}
 
-	video_set_drvdata(&rtrack2_radio, &rtrack2_unit);
+	res = v4l2_device_register(NULL, v4l2_dev);
+	if (res < 0) {
+		release_region(dev->io, 4);
+		v4l2_err(v4l2_dev, "Could not register v4l2_device\n");
+		return res;
+	}
 
-	spin_lock_init(&lock);
-	if (video_register_device(&rtrack2_radio, VFL_TYPE_RADIO, radio_nr) < 0) {
-		release_region(io, 4);
+	strlcpy(dev->vdev.name, v4l2_dev->name, sizeof(dev->vdev.name));
+	dev->vdev.v4l2_dev = v4l2_dev;
+	dev->vdev.fops = &rtrack2_fops;
+	dev->vdev.ioctl_ops = &rtrack2_ioctl_ops;
+	dev->vdev.release = video_device_release_empty;
+	video_set_drvdata(&dev->vdev, dev);
+
+	mutex_init(&dev->lock);
+	if (video_register_device(&dev->vdev, VFL_TYPE_RADIO, radio_nr) < 0) {
+		v4l2_device_unregister(v4l2_dev);
+		release_region(dev->io, 4);
 		return -EINVAL;
 	}
 
-	printk(KERN_INFO "AIMSlab Radiotrack II card driver.\n");
+	v4l2_info(v4l2_dev, "AIMSlab Radiotrack II card driver.\n");
 
 	/* mute card - prevents noisy bootups */
-	outb(1, io);
-	rtrack2_unit.muted = 1;
+	outb(1, dev->io);
+	dev->muted = 1;
 
 	return 0;
 }
 
-MODULE_AUTHOR("Ben Pfaff");
-MODULE_DESCRIPTION("A driver for the RadioTrack II radio card.");
-MODULE_LICENSE("GPL");
-
-module_param(io, int, 0);
-MODULE_PARM_DESC(io, "I/O address of the RadioTrack card (0x20c or 0x30c)");
-module_param(radio_nr, int, 0);
-
-static void __exit rtrack2_cleanup_module(void)
+static void __exit rtrack2_exit(void)
 {
-	video_unregister_device(&rtrack2_radio);
-	release_region(io,4);
+	struct rtrack2 *dev = &rtrack2_card;
+
+	video_unregister_device(&dev->vdev);
+	v4l2_device_unregister(&dev->v4l2_dev);
+	release_region(dev->io, 4);
 }
 
 module_init(rtrack2_init);
-module_exit(rtrack2_cleanup_module);
-
-/*
-  Local variables:
-  compile-command: "mmake"
-  End:
-*/
+module_exit(rtrack2_exit);
diff --git a/linux/drivers/media/radio/radio-sf16fmi.c b/linux/drivers/media/radio/radio-sf16fmi.c
index 3cce0afb4..392aa27e0 100644
--- a/linux/drivers/media/radio/radio-sf16fmi.c
+++ b/linux/drivers/media/radio/radio-sf16fmi.c
@@ -22,114 +22,111 @@
 #include <linux/init.h>		/* Initdata			*/
 #include <linux/ioport.h>	/* request_region		*/
 #include <linux/delay.h>	/* udelay			*/
-#include "compat.h"
-#include <linux/videodev2.h>	/* kernel radio structs		*/
-#include <media/v4l2-common.h>
-#include <media/v4l2-ioctl.h>
 #include <linux/isapnp.h>
-#include <asm/io.h>		/* outb, outb_p			*/
-#include <asm/uaccess.h>	/* copy to/from user		*/
 #include <linux/mutex.h>
+#include <linux/videodev2.h>	/* kernel radio structs		*/
+#include <linux/io.h>		/* outb, outb_p			*/
+#include <linux/uaccess.h>	/* copy to/from user		*/
+#include <media/v4l2-device.h>
+#include <media/v4l2-ioctl.h>
+#include "compat.h"
 
-#define RADIO_VERSION KERNEL_VERSION(0,0,2)
+MODULE_AUTHOR("Petr Vandrovec, vandrove@vc.cvut.cz and M. Kirkwood");
+MODULE_DESCRIPTION("A driver for the SF16MI radio.");
+MODULE_LICENSE("GPL");
 
-static struct v4l2_queryctrl radio_qctrl[] = {
-	{
-		.id            = V4L2_CID_AUDIO_MUTE,
-		.name          = "Mute",
-		.minimum       = 0,
-		.maximum       = 1,
-		.default_value = 1,
-		.type          = V4L2_CTRL_TYPE_BOOLEAN,
-	}
-};
+static int io = -1;
+static int radio_nr = -1;
+
+module_param(io, int, 0);
+MODULE_PARM_DESC(io, "I/O address of the SF16MI card (0x284 or 0x384)");
+module_param(radio_nr, int, 0);
 
-struct fmi_device
+#define RADIO_VERSION KERNEL_VERSION(0, 0, 2)
+
+struct fmi
 {
-	unsigned long in_use;
-	int port;
+	struct v4l2_device v4l2_dev;
+	struct video_device vdev;
+	int io;
 	int curvol; /* 1 or 0 */
 	unsigned long curfreq; /* freq in kHz */
 	__u32 flags;
+	struct mutex lock;
 };
 
-static int io = -1;
-static int radio_nr = -1;
-static struct pnp_dev *dev = NULL;
-static struct mutex lock;
+static struct fmi fmi_card;
+static struct pnp_dev *dev;
 
 /* freq is in 1/16 kHz to internal number, hw precision is 50 kHz */
 /* It is only useful to give freq in intervall of 800 (=0.05Mhz),
  * other bits will be truncated, e.g 92.7400016 -> 92.7, but
  * 92.7400017 -> 92.75
  */
-#define RSF16_ENCODE(x)	((x)/800+214)
-#define RSF16_MINFREQ 87*16000
-#define RSF16_MAXFREQ 108*16000
+#define RSF16_ENCODE(x)	((x) / 800 + 214)
+#define RSF16_MINFREQ (87 * 16000)
+#define RSF16_MAXFREQ (108 * 16000)
 
-static void outbits(int bits, unsigned int data, int port)
+static void outbits(int bits, unsigned int data, int io)
 {
-	while(bits--) {
-		if(data & 1) {
-			outb(5, port);
+	while (bits--) {
+		if (data & 1) {
+			outb(5, io);
 			udelay(6);
-			outb(7, port);
+			outb(7, io);
 			udelay(6);
 		} else {
-			outb(1, port);
+			outb(1, io);
 			udelay(6);
-			outb(3, port);
+			outb(3, io);
 			udelay(6);
 		}
-		data>>=1;
+		data >>= 1;
 	}
 }
 
-static inline void fmi_mute(int port)
+static inline void fmi_mute(struct fmi *fmi)
 {
-	mutex_lock(&lock);
-	outb(0x00, port);
-	mutex_unlock(&lock);
+	mutex_lock(&fmi->lock);
+	outb(0x00, fmi->io);
+	mutex_unlock(&fmi->lock);
 }
 
-static inline void fmi_unmute(int port)
+static inline void fmi_unmute(struct fmi *fmi)
 {
-	mutex_lock(&lock);
-	outb(0x08, port);
-	mutex_unlock(&lock);
+	mutex_lock(&fmi->lock);
+	outb(0x08, fmi->io);
+	mutex_unlock(&fmi->lock);
 }
 
-static inline int fmi_setfreq(struct fmi_device *dev)
+static inline int fmi_setfreq(struct fmi *fmi, unsigned long freq)
 {
-	int myport = dev->port;
-	unsigned long freq = dev->curfreq;
-
-	mutex_lock(&lock);
+	mutex_lock(&fmi->lock);
+	fmi->curfreq = freq;
 
-	outbits(16, RSF16_ENCODE(freq), myport);
-	outbits(8, 0xC0, myport);
+	outbits(16, RSF16_ENCODE(freq), fmi->io);
+	outbits(8, 0xC0, fmi->io);
 	msleep(143);		/* was schedule_timeout(HZ/7) */
-	mutex_unlock(&lock);
-	if (dev->curvol) fmi_unmute(myport);
+	mutex_unlock(&fmi->lock);
+	if (fmi->curvol)
+		fmi_unmute(fmi);
 	return 0;
 }
 
-static inline int fmi_getsigstr(struct fmi_device *dev)
+static inline int fmi_getsigstr(struct fmi *fmi)
 {
 	int val;
 	int res;
-	int myport = dev->port;
 
-
-	mutex_lock(&lock);
-	val = dev->curvol ? 0x08 : 0x00;	/* unmute/mute */
-	outb(val, myport);
-	outb(val | 0x10, myport);
+	mutex_lock(&fmi->lock);
+	val = fmi->curvol ? 0x08 : 0x00;	/* unmute/mute */
+	outb(val, fmi->io);
+	outb(val | 0x10, fmi->io);
 	msleep(143); 		/* was schedule_timeout(HZ/7) */
-	res = (int)inb(myport+1);
-	outb(val, myport);
+	res = (int)inb(fmi->io + 1);
+	outb(val, fmi->io);
 
-	mutex_unlock(&lock);
+	mutex_unlock(&fmi->lock);
 	return (res & 2) ? 0 : 0xFFFF;
 }
 
@@ -138,9 +135,9 @@ static int vidioc_querycap(struct file *file, void  *priv,
 {
 	strlcpy(v->driver, "radio-sf16fmi", sizeof(v->driver));
 	strlcpy(v->card, "SF16-FMx radio", sizeof(v->card));
-	sprintf(v->bus_info, "ISA");
+	strlcpy(v->bus_info, "ISA", sizeof(v->bus_info));
 	v->version = RADIO_VERSION;
-	v->capabilities = V4L2_CAP_TUNER;
+	v->capabilities = V4L2_CAP_TUNER | V4L2_CAP_RADIO;
 	return 0;
 }
 
@@ -148,18 +145,18 @@ static int vidioc_g_tuner(struct file *file, void *priv,
 					struct v4l2_tuner *v)
 {
 	int mult;
-	struct fmi_device *fmi = video_drvdata(file);
+	struct fmi *fmi = video_drvdata(file);
 
 	if (v->index > 0)
 		return -EINVAL;
 
-	strcpy(v->name, "FM");
+	strlcpy(v->name, "FM", sizeof(v->name));
 	v->type = V4L2_TUNER_RADIO;
 	mult = (fmi->flags & V4L2_TUNER_CAP_LOW) ? 1 : 1000;
-	v->rangelow = RSF16_MINFREQ/mult;
-	v->rangehigh = RSF16_MAXFREQ/mult;
+	v->rangelow = RSF16_MINFREQ / mult;
+	v->rangehigh = RSF16_MAXFREQ / mult;
 	v->rxsubchans = V4L2_TUNER_SUB_MONO | V4L2_TUNER_MODE_STEREO;
-	v->capability = fmi->flags&V4L2_TUNER_CAP_LOW;
+	v->capability = fmi->flags & V4L2_TUNER_CAP_LOW;
 	v->audmode = V4L2_TUNER_MODE_STEREO;
 	v->signal = fmi_getsigstr(fmi);
 	return 0;
@@ -168,32 +165,29 @@ static int vidioc_g_tuner(struct file *file, void *priv,
 static int vidioc_s_tuner(struct file *file, void *priv,
 					struct v4l2_tuner *v)
 {
-	if (v->index > 0)
-		return -EINVAL;
-	return 0;
+	return v->index ? -EINVAL : 0;
 }
 
 static int vidioc_s_frequency(struct file *file, void *priv,
 					struct v4l2_frequency *f)
 {
-	struct fmi_device *fmi = video_drvdata(file);
+	struct fmi *fmi = video_drvdata(file);
 
 	if (!(fmi->flags & V4L2_TUNER_CAP_LOW))
 		f->frequency *= 1000;
 	if (f->frequency < RSF16_MINFREQ ||
-			f->frequency > RSF16_MAXFREQ )
+			f->frequency > RSF16_MAXFREQ)
 		return -EINVAL;
-	/*rounding in steps of 800 to match th freq
-	that will be used */
-	fmi->curfreq = (f->frequency/800)*800;
-	fmi_setfreq(fmi);
+	/* rounding in steps of 800 to match the freq
+	   that will be used */
+	fmi_setfreq(fmi, (f->frequency / 800) * 800);
 	return 0;
 }
 
 static int vidioc_g_frequency(struct file *file, void *priv,
 					struct v4l2_frequency *f)
 {
-	struct fmi_device *fmi = video_drvdata(file);
+	struct fmi *fmi = video_drvdata(file);
 
 	f->type = V4L2_TUNER_RADIO;
 	f->frequency = fmi->curfreq;
@@ -205,14 +199,9 @@ static int vidioc_g_frequency(struct file *file, void *priv,
 static int vidioc_queryctrl(struct file *file, void *priv,
 					struct v4l2_queryctrl *qc)
 {
-	int i;
-
-	for (i = 0; i < ARRAY_SIZE(radio_qctrl); i++) {
-		if (qc->id && qc->id == radio_qctrl[i].id) {
-			memcpy(qc, &(radio_qctrl[i]),
-						sizeof(*qc));
-			return 0;
-		}
+	switch (qc->id) {
+	case V4L2_CID_AUDIO_MUTE:
+		return v4l2_ctrl_query_fill(qc, 0, 1, 1, 1);
 	}
 	return -EINVAL;
 }
@@ -220,7 +209,7 @@ static int vidioc_queryctrl(struct file *file, void *priv,
 static int vidioc_g_ctrl(struct file *file, void *priv,
 					struct v4l2_control *ctrl)
 {
-	struct fmi_device *fmi = video_drvdata(file);
+	struct fmi *fmi = video_drvdata(file);
 
 	switch (ctrl->id) {
 	case V4L2_CID_AUDIO_MUTE:
@@ -233,31 +222,20 @@ static int vidioc_g_ctrl(struct file *file, void *priv,
 static int vidioc_s_ctrl(struct file *file, void *priv,
 					struct v4l2_control *ctrl)
 {
-	struct fmi_device *fmi = video_drvdata(file);
+	struct fmi *fmi = video_drvdata(file);
 
 	switch (ctrl->id) {
 	case V4L2_CID_AUDIO_MUTE:
 		if (ctrl->value)
-			fmi_mute(fmi->port);
+			fmi_mute(fmi);
 		else
-			fmi_unmute(fmi->port);
+			fmi_unmute(fmi);
 		fmi->curvol = ctrl->value;
 		return 0;
 	}
 	return -EINVAL;
 }
 
-static int vidioc_g_audio(struct file *file, void *priv,
-					struct v4l2_audio *a)
-{
-	if (a->index > 1)
-		return -EINVAL;
-
-	strcpy(a->name, "Radio");
-	a->capability = V4L2_AUDCAP_STEREO;
-	return 0;
-}
-
 static int vidioc_g_input(struct file *filp, void *priv, unsigned int *i)
 {
 	*i = 0;
@@ -266,36 +244,38 @@ static int vidioc_g_input(struct file *filp, void *priv, unsigned int *i)
 
 static int vidioc_s_input(struct file *filp, void *priv, unsigned int i)
 {
-	if (i != 0)
-		return -EINVAL;
-	return 0;
+	return i ? -EINVAL : 0;
 }
 
-static int vidioc_s_audio(struct file *file, void *priv,
+static int vidioc_g_audio(struct file *file, void *priv,
 					struct v4l2_audio *a)
 {
-	if (a->index != 0)
-		return -EINVAL;
+	a->index = 0;
+	strlcpy(a->name, "Radio", sizeof(a->name));
+	a->capability = V4L2_AUDCAP_STEREO;
 	return 0;
 }
 
-static struct fmi_device fmi_unit;
+static int vidioc_s_audio(struct file *file, void *priv,
+					struct v4l2_audio *a)
+{
+	return a->index ? -EINVAL : 0;
+}
 
-static int fmi_exclusive_open(struct file *file)
+static int fmi_open(struct file *file)
 {
-	return test_and_set_bit(0, &fmi_unit.in_use) ? -EBUSY : 0;
+	return 0;
 }
 
-static int fmi_exclusive_release(struct file *file)
+static int fmi_release(struct file *file)
 {
-	clear_bit(0, &fmi_unit.in_use);
 	return 0;
 }
 
 static const struct v4l2_file_operations fmi_fops = {
 	.owner		= THIS_MODULE,
-	.open           = fmi_exclusive_open,
-	.release        = fmi_exclusive_release,
+	.open           = fmi_open,
+	.release        = fmi_release,
 	.ioctl		= video_ioctl2,
 };
 
@@ -314,13 +294,6 @@ static const struct v4l2_ioctl_ops fmi_ioctl_ops = {
 	.vidioc_s_ctrl      = vidioc_s_ctrl,
 };
 
-static struct video_device fmi_radio = {
-	.name		= "SF16FMx radio",
-	.fops           = &fmi_fops,
-	.ioctl_ops 	= &fmi_ioctl_ops,
-	.release	= video_device_release_empty,
-};
-
 /* ladis: this is my card. does any other types exist? */
 static struct isapnp_device_id id_table[] __devinitdata = {
 	{	ISAPNP_ANY_ID, ISAPNP_ANY_ID,
@@ -345,7 +318,7 @@ static int __init isapnp_fmi_probe(void)
 	if (pnp_device_attach(dev) < 0)
 		return -EAGAIN;
 	if (pnp_activate_dev(dev) < 0) {
-		printk ("radio-sf16fmi: PnP configure failed (out of resources?)\n");
+		printk(KERN_ERR "radio-sf16fmi: PnP configure failed (out of resources?)\n");
 		pnp_device_detach(dev);
 		return -ENOMEM;
 	}
@@ -355,59 +328,72 @@ static int __init isapnp_fmi_probe(void)
 	}
 
 	i = pnp_port_start(dev, 0);
-	printk ("radio-sf16fmi: PnP reports card at %#x\n", i);
+	printk(KERN_INFO "radio-sf16fmi: PnP reports card at %#x\n", i);
 
 	return i;
 }
 
 static int __init fmi_init(void)
 {
+	struct fmi *fmi = &fmi_card;
+	struct v4l2_device *v4l2_dev = &fmi->v4l2_dev;
+	int res;
+
 	if (io < 0)
 		io = isapnp_fmi_probe();
-	if (io < 0) {
-		printk(KERN_ERR "radio-sf16fmi: No PnP card found.\n");
-		return io;
+	strlcpy(v4l2_dev->name, "sf16fmi", sizeof(v4l2_dev->name));
+	fmi->io = io;
+	if (fmi->io < 0) {
+		v4l2_err(v4l2_dev, "No PnP card found.\n");
+		return fmi->io;
 	}
 	if (!request_region(io, 2, "radio-sf16fmi")) {
-		printk(KERN_ERR "radio-sf16fmi: port 0x%x already in use\n", io);
+		v4l2_err(v4l2_dev, "port 0x%x already in use\n", fmi->io);
 		pnp_device_detach(dev);
 		return -EBUSY;
 	}
 
-	fmi_unit.port = io;
-	fmi_unit.curvol = 0;
-	fmi_unit.curfreq = 0;
-	fmi_unit.flags = V4L2_TUNER_CAP_LOW;
-	video_set_drvdata(&fmi_radio, &fmi_unit);
+	res = v4l2_device_register(NULL, v4l2_dev);
+	if (res < 0) {
+		release_region(fmi->io, 2);
+		pnp_device_detach(dev);
+		v4l2_err(v4l2_dev, "Could not register v4l2_device\n");
+		return res;
+	}
+
+	fmi->flags = V4L2_TUNER_CAP_LOW;
+	strlcpy(fmi->vdev.name, v4l2_dev->name, sizeof(fmi->vdev.name));
+	fmi->vdev.v4l2_dev = v4l2_dev;
+	fmi->vdev.fops = &fmi_fops;
+	fmi->vdev.ioctl_ops = &fmi_ioctl_ops;
+	fmi->vdev.release = video_device_release_empty;
+	video_set_drvdata(&fmi->vdev, fmi);
 
-	mutex_init(&lock);
+	mutex_init(&fmi->lock);
 
-	if (video_register_device(&fmi_radio, VFL_TYPE_RADIO, radio_nr) < 0) {
-		release_region(io, 2);
+	if (video_register_device(&fmi->vdev, VFL_TYPE_RADIO, radio_nr) < 0) {
+		v4l2_device_unregister(v4l2_dev);
+		release_region(fmi->io, 2);
+		pnp_device_detach(dev);
 		return -EINVAL;
 	}
 
-	printk(KERN_INFO "SF16FMx radio card driver at 0x%x\n", io);
+	v4l2_info(v4l2_dev, "card driver at 0x%x\n", fmi->io);
 	/* mute card - prevents noisy bootups */
-	fmi_mute(io);
+	fmi_mute(fmi);
 	return 0;
 }
 
-MODULE_AUTHOR("Petr Vandrovec, vandrove@vc.cvut.cz and M. Kirkwood");
-MODULE_DESCRIPTION("A driver for the SF16MI radio.");
-MODULE_LICENSE("GPL");
-
-module_param(io, int, 0);
-MODULE_PARM_DESC(io, "I/O address of the SF16MI card (0x284 or 0x384)");
-module_param(radio_nr, int, 0);
-
-static void __exit fmi_cleanup_module(void)
+static void __exit fmi_exit(void)
 {
-	video_unregister_device(&fmi_radio);
-	release_region(io, 2);
+	struct fmi *fmi = &fmi_card;
+
+	video_unregister_device(&fmi->vdev);
+	v4l2_device_unregister(&fmi->v4l2_dev);
+	release_region(fmi->io, 2);
 	if (dev)
 		pnp_device_detach(dev);
 }
 
 module_init(fmi_init);
-module_exit(fmi_cleanup_module);
+module_exit(fmi_exit);
diff --git a/linux/drivers/media/radio/radio-sf16fmr2.c b/linux/drivers/media/radio/radio-sf16fmr2.c
index 69a28d1ff..34de92f82 100644
--- a/linux/drivers/media/radio/radio-sf16fmr2.c
+++ b/linux/drivers/media/radio/radio-sf16fmr2.c
@@ -18,41 +18,30 @@
 #include <linux/init.h>		/* Initdata			*/
 #include <linux/ioport.h>	/* request_region		*/
 #include <linux/delay.h>	/* udelay			*/
-#include <asm/io.h>		/* outb, outb_p			*/
-#include <asm/uaccess.h>	/* copy to/from user		*/
-#include "compat.h"
 #include <linux/videodev2.h>	/* kernel radio structs		*/
-#include <media/v4l2-common.h>
-#include <media/v4l2-ioctl.h>
 #include <linux/mutex.h>
+#include <linux/version.h>      /* for KERNEL_VERSION MACRO     */
+#include <linux/io.h>		/* outb, outb_p			*/
+#include <linux/uaccess.h>	/* copy to/from user		*/
+#include <media/v4l2-device.h>
+#include <media/v4l2-ioctl.h>
+#include "compat.h"
 
-static struct mutex lock;
+MODULE_AUTHOR("Ziglio Frediano, freddy77@angelfire.com");
+MODULE_DESCRIPTION("A driver for the SF16FMR2 radio.");
+MODULE_LICENSE("GPL");
+
+static int io = 0x384;
+static int radio_nr = -1;
+
+module_param(io, int, 0);
+MODULE_PARM_DESC(io, "I/O address of the SF16FMR2 card (should be 0x384, if do not work try 0x284)");
+module_param(radio_nr, int, 0);
 
-#include <linux/version.h>      /* for KERNEL_VERSION MACRO     */
 #define RADIO_VERSION KERNEL_VERSION(0,0,2)
 
 #define AUD_VOL_INDEX 1
 
-static struct v4l2_queryctrl radio_qctrl[] = {
-	{
-		.id            = V4L2_CID_AUDIO_MUTE,
-		.name          = "Mute",
-		.minimum       = 0,
-		.maximum       = 1,
-		.default_value = 1,
-		.type          = V4L2_CTRL_TYPE_BOOLEAN,
-	},
-	[AUD_VOL_INDEX] = {
-		.id            = V4L2_CID_AUDIO_VOLUME,
-		.name          = "Volume",
-		.minimum       = 0,
-		.maximum       = 15,
-		.step          = 1,
-		.default_value = 0,
-		.type          = V4L2_CTRL_TYPE_INTEGER,
-	}
-};
-
 #undef DEBUG
 //#define DEBUG 1
 
@@ -63,156 +52,160 @@ static struct v4l2_queryctrl radio_qctrl[] = {
 #endif
 
 /* this should be static vars for module size */
-struct fmr2_device
+struct fmr2
 {
-	unsigned long in_use;
-	int port;
+	struct v4l2_device v4l2_dev;
+	struct video_device vdev;
+	struct mutex lock;
+	int io;
 	int curvol; /* 0-15 */
 	int mute;
 	int stereo; /* card is producing stereo audio */
 	unsigned long curfreq; /* freq in kHz */
 	int card_type;
-	__u32 flags;
+	u32 flags;
 };
 
-static int io = 0x384;
-static int radio_nr = -1;
+static struct fmr2 fmr2_card;
 
 /* hw precision is 12.5 kHz
  * It is only useful to give freq in intervall of 200 (=0.0125Mhz),
  * other bits will be truncated
  */
-#define RSF16_ENCODE(x)	((x)/200+856)
-#define RSF16_MINFREQ 87*16000
-#define RSF16_MAXFREQ 108*16000
+#define RSF16_ENCODE(x)	((x) / 200 + 856)
+#define RSF16_MINFREQ (87 * 16000)
+#define RSF16_MAXFREQ (108 * 16000)
 
-static inline void wait(int n,int port)
+static inline void wait(int n, int io)
 {
-	for (;n;--n) inb(port);
+	for (; n; --n)
+		inb(io);
 }
 
-static void outbits(int bits, unsigned int data, int nWait, int port)
+static void outbits(int bits, unsigned int data, int nWait, int io)
 {
 	int bit;
-	for(;--bits>=0;) {
-		bit = (data>>bits) & 1;
-		outb(bit,port);
-		wait(nWait,port);
-		outb(bit|2,port);
-		wait(nWait,port);
-		outb(bit,port);
-		wait(nWait,port);
+
+	for (; --bits >= 0;) {
+		bit = (data >> bits) & 1;
+		outb(bit, io);
+		wait(nWait, io);
+		outb(bit | 2, io);
+		wait(nWait, io);
+		outb(bit, io);
+		wait(nWait, io);
 	}
 }
 
-static inline void fmr2_mute(int port)
+static inline void fmr2_mute(int io)
 {
-	outb(0x00, port);
-	wait(4,port);
+	outb(0x00, io);
+	wait(4, io);
 }
 
-static inline void fmr2_unmute(int port)
+static inline void fmr2_unmute(int io)
 {
-	outb(0x04, port);
-	wait(4,port);
+	outb(0x04, io);
+	wait(4, io);
 }
 
-static inline int fmr2_stereo_mode(int port)
+static inline int fmr2_stereo_mode(int io)
 {
-	int n = inb(port);
-	outb(6,port);
-	inb(port);
-	n = ((n>>3)&1)^1;
+	int n = inb(io);
+
+	outb(6, io);
+	inb(io);
+	n = ((n >> 3) & 1) ^ 1;
 	debug_print((KERN_DEBUG "stereo: %d\n", n));
 	return n;
 }
 
-static int fmr2_product_info(struct fmr2_device *dev)
+static int fmr2_product_info(struct fmr2 *dev)
 {
-	int n = inb(dev->port);
+	int n = inb(dev->io);
+
 	n &= 0xC1;
-	if (n == 0)
-	{
+	if (n == 0) {
 		/* this should support volume set */
 		dev->card_type = 12;
 		return 0;
 	}
 	/* not volume (mine is 11) */
-	dev->card_type = (n==128)?11:0;
+	dev->card_type = (n == 128) ? 11 : 0;
 	return n;
 }
 
-static inline int fmr2_getsigstr(struct fmr2_device *dev)
+static inline int fmr2_getsigstr(struct fmr2 *dev)
 {
-	/* !!! work only if scanning freq */
-	int port = dev->port, res = 0xffff;
-	outb(5,port);
-	wait(4,port);
-	if (!(inb(port)&1)) res = 0;
+	/* !!! works only if scanning freq */
+	int res = 0xffff;
+
+	outb(5, dev->io);
+	wait(4, dev->io);
+	if (!(inb(dev->io) & 1))
+		res = 0;
 	debug_print((KERN_DEBUG "signal: %d\n", res));
 	return res;
 }
 
 /* set frequency and unmute card */
-static int fmr2_setfreq(struct fmr2_device *dev)
+static int fmr2_setfreq(struct fmr2 *dev)
 {
-	int port = dev->port;
 	unsigned long freq = dev->curfreq;
 
-	fmr2_mute(port);
+	fmr2_mute(dev->io);
 
 	/* 0x42 for mono output
 	 * 0x102 forward scanning
 	 * 0x182 scansione avanti
 	 */
-	outbits(9,0x2,3,port);
-	outbits(16,RSF16_ENCODE(freq),2,port);
+	outbits(9, 0x2, 3, dev->io);
+	outbits(16, RSF16_ENCODE(freq), 2, dev->io);
 
-	fmr2_unmute(port);
+	fmr2_unmute(dev->io);
 
 	/* wait 0.11 sec */
 	msleep(110);
 
 	/* NOTE if mute this stop radio
 	   you must set freq on unmute */
-	dev->stereo = fmr2_stereo_mode(port);
+	dev->stereo = fmr2_stereo_mode(dev->io);
 	return 0;
 }
 
 /* !!! not tested, in my card this does't work !!! */
-static int fmr2_setvolume(struct fmr2_device *dev)
+static int fmr2_setvolume(struct fmr2 *dev)
 {
 	int vol[16] = { 0x021, 0x084, 0x090, 0x104,
 			0x110, 0x204, 0x210, 0x402,
 			0x404, 0x408, 0x410, 0x801,
 			0x802, 0x804, 0x808, 0x810 };
-	int i, a, port = dev->port;
+	int i, a;
 	int n = vol[dev->curvol & 0x0f];
 
 	if (dev->card_type != 11)
 		return 1;
 
 	for (i = 12; --i >= 0; ) {
-		a = ((n >> i) & 1) << 6; /* if (a=0) a= 0; else a= 0x40; */
-		outb(a | 4, port);
-		wait(4, port);
-		outb(a | 0x24, port);
-		wait(4, port);
-		outb(a | 4, port);
-		wait(4, port);
+		a = ((n >> i) & 1) << 6; /* if (a==0) a = 0; else a = 0x40; */
+		outb(a | 4, dev->io);
+		wait(4, dev->io);
+		outb(a | 0x24, dev->io);
+		wait(4, dev->io);
+		outb(a | 4, dev->io);
+		wait(4, dev->io);
 	}
 	for (i = 6; --i >= 0; ) {
 		a = ((0x18 >> i) & 1) << 6;
-		outb(a | 4, port);
-		wait(4,port);
-		outb(a | 0x24, port);
-		wait(4,port);
-		outb(a|4, port);
-		wait(4,port);
+		outb(a | 4, dev->io);
+		wait(4, dev->io);
+		outb(a | 0x24, dev->io);
+		wait(4, dev->io);
+		outb(a | 4, dev->io);
+		wait(4, dev->io);
 	}
-	wait(4, port);
-	outb(0x14, port);
-
+	wait(4, dev->io);
+	outb(0x14, dev->io);
 	return 0;
 }
 
@@ -221,9 +214,9 @@ static int vidioc_querycap(struct file *file, void  *priv,
 {
 	strlcpy(v->driver, "radio-sf16fmr2", sizeof(v->driver));
 	strlcpy(v->card, "SF16-FMR2 radio", sizeof(v->card));
-	sprintf(v->bus_info, "ISA");
+	strlcpy(v->bus_info, "ISA", sizeof(v->bus_info));
 	v->version = RADIO_VERSION;
-	v->capabilities = V4L2_CAP_TUNER;
+	v->capabilities = V4L2_CAP_TUNER | V4L2_CAP_RADIO;
 	return 0;
 }
 
@@ -231,54 +224,52 @@ static int vidioc_g_tuner(struct file *file, void *priv,
 					struct v4l2_tuner *v)
 {
 	int mult;
-	struct fmr2_device *fmr2 = video_drvdata(file);
+	struct fmr2 *fmr2 = video_drvdata(file);
 
 	if (v->index > 0)
 		return -EINVAL;
 
-	strcpy(v->name, "FM");
+	strlcpy(v->name, "FM", sizeof(v->name));
 	v->type = V4L2_TUNER_RADIO;
 
 	mult = (fmr2->flags & V4L2_TUNER_CAP_LOW) ? 1 : 1000;
-	v->rangelow = RSF16_MINFREQ/mult;
-	v->rangehigh = RSF16_MAXFREQ/mult;
+	v->rangelow = RSF16_MINFREQ / mult;
+	v->rangehigh = RSF16_MAXFREQ / mult;
 	v->rxsubchans = V4L2_TUNER_SUB_MONO | V4L2_TUNER_MODE_STEREO;
 	v->capability = fmr2->flags&V4L2_TUNER_CAP_LOW;
 	v->audmode = fmr2->stereo ? V4L2_TUNER_MODE_STEREO:
 				V4L2_TUNER_MODE_MONO;
-	mutex_lock(&lock);
+	mutex_lock(&fmr2->lock);
 	v->signal = fmr2_getsigstr(fmr2);
-	mutex_unlock(&lock);
+	mutex_unlock(&fmr2->lock);
 	return 0;
 }
 
 static int vidioc_s_tuner(struct file *file, void *priv,
 					struct v4l2_tuner *v)
 {
-	if (v->index > 0)
-		return -EINVAL;
-	return 0;
+	return v->index ? -EINVAL : 0;
 }
 
 static int vidioc_s_frequency(struct file *file, void *priv,
 					struct v4l2_frequency *f)
 {
-	struct fmr2_device *fmr2 = video_drvdata(file);
+	struct fmr2 *fmr2 = video_drvdata(file);
 
 	if (!(fmr2->flags & V4L2_TUNER_CAP_LOW))
 		f->frequency *= 1000;
 	if (f->frequency < RSF16_MINFREQ ||
-			f->frequency > RSF16_MAXFREQ )
+			f->frequency > RSF16_MAXFREQ)
 		return -EINVAL;
-	/*rounding in steps of 200 to match th freq
-	that will be used */
-	fmr2->curfreq = (f->frequency/200)*200;
+	/* rounding in steps of 200 to match the freq
+	   that will be used */
+	fmr2->curfreq = (f->frequency / 200) * 200;
 
 	/* set card freq (if not muted) */
 	if (fmr2->curvol && !fmr2->mute) {
-		mutex_lock(&lock);
+		mutex_lock(&fmr2->lock);
 		fmr2_setfreq(fmr2);
-		mutex_unlock(&lock);
+		mutex_unlock(&fmr2->lock);
 	}
 	return 0;
 }
@@ -286,7 +277,7 @@ static int vidioc_s_frequency(struct file *file, void *priv,
 static int vidioc_g_frequency(struct file *file, void *priv,
 					struct v4l2_frequency *f)
 {
-	struct fmr2_device *fmr2 = video_drvdata(file);
+	struct fmr2 *fmr2 = video_drvdata(file);
 
 	f->type = V4L2_TUNER_RADIO;
 	f->frequency = fmr2->curfreq;
@@ -298,13 +289,16 @@ static int vidioc_g_frequency(struct file *file, void *priv,
 static int vidioc_queryctrl(struct file *file, void *priv,
 					struct v4l2_queryctrl *qc)
 {
-	int i;
+	struct fmr2 *fmr2 = video_drvdata(file);
 
-	for (i = 0; i < ARRAY_SIZE(radio_qctrl); i++) {
-		if (qc->id && qc->id == radio_qctrl[i].id) {
-			memcpy(qc, &radio_qctrl[i], sizeof(*qc));
-			return 0;
-		}
+	switch (qc->id) {
+	case V4L2_CID_AUDIO_MUTE:
+		return v4l2_ctrl_query_fill(qc, 0, 1, 1, 1);
+	case V4L2_CID_AUDIO_VOLUME:
+		/* Only card_type == 11 implements volume */
+		if (fmr2->card_type == 11)
+			return v4l2_ctrl_query_fill(qc, 0, 15, 1, 0);
+		return v4l2_ctrl_query_fill(qc, 0, 1, 1, 0);
 	}
 	return -EINVAL;
 }
@@ -312,7 +306,7 @@ static int vidioc_queryctrl(struct file *file, void *priv,
 static int vidioc_g_ctrl(struct file *file, void *priv,
 					struct v4l2_control *ctrl)
 {
-	struct fmr2_device *fmr2 = video_drvdata(file);
+	struct fmr2 *fmr2 = video_drvdata(file);
 
 	switch (ctrl->id) {
 	case V4L2_CID_AUDIO_MUTE:
@@ -328,18 +322,14 @@ static int vidioc_g_ctrl(struct file *file, void *priv,
 static int vidioc_s_ctrl(struct file *file, void *priv,
 					struct v4l2_control *ctrl)
 {
-	struct fmr2_device *fmr2 = video_drvdata(file);
+	struct fmr2 *fmr2 = video_drvdata(file);
 
 	switch (ctrl->id) {
 	case V4L2_CID_AUDIO_MUTE:
 		fmr2->mute = ctrl->value;
 		break;
 	case V4L2_CID_AUDIO_VOLUME:
-		if (ctrl->value > radio_qctrl[AUD_VOL_INDEX].maximum)
-			fmr2->curvol = radio_qctrl[AUD_VOL_INDEX].maximum;
-		else
-			fmr2->curvol = ctrl->value;
-
+		fmr2->curvol = ctrl->value;
 		break;
 	default:
 		return -EINVAL;
@@ -352,25 +342,14 @@ static int vidioc_s_ctrl(struct file *file, void *priv,
 		printk(KERN_DEBUG "mute\n");
 #endif
 
-	mutex_lock(&lock);
+	mutex_lock(&fmr2->lock);
 	if (fmr2->curvol && !fmr2->mute) {
 		fmr2_setvolume(fmr2);
 		/* Set frequency and unmute card */
 		fmr2_setfreq(fmr2);
 	} else
-		fmr2_mute(fmr2->port);
-	mutex_unlock(&lock);
-	return 0;
-}
-
-static int vidioc_g_audio(struct file *file, void *priv,
-					struct v4l2_audio *a)
-{
-	if (a->index > 1)
-		return -EINVAL;
-
-	strcpy(a->name, "Radio");
-	a->capability = V4L2_AUDCAP_STEREO;
+		fmr2_mute(fmr2->io);
+	mutex_unlock(&fmr2->lock);
 	return 0;
 }
 
@@ -382,36 +361,38 @@ static int vidioc_g_input(struct file *filp, void *priv, unsigned int *i)
 
 static int vidioc_s_input(struct file *filp, void *priv, unsigned int i)
 {
-	if (i != 0)
-		return -EINVAL;
-	return 0;
+	return i ? -EINVAL : 0;
 }
 
-static int vidioc_s_audio(struct file *file, void *priv,
+static int vidioc_g_audio(struct file *file, void *priv,
 					struct v4l2_audio *a)
 {
-	if (a->index != 0)
-		return -EINVAL;
+	a->index = 0;
+	strlcpy(a->name, "Radio", sizeof(a->name));
+	a->capability = V4L2_AUDCAP_STEREO;
 	return 0;
 }
 
-static struct fmr2_device fmr2_unit;
+static int vidioc_s_audio(struct file *file, void *priv,
+					struct v4l2_audio *a)
+{
+	return a->index ? -EINVAL : 0;
+}
 
-static int fmr2_exclusive_open(struct file *file)
+static int fmr2_open(struct file *file)
 {
-	return test_and_set_bit(0, &fmr2_unit.in_use) ? -EBUSY : 0;
+	return 0;
 }
 
-static int fmr2_exclusive_release(struct file *file)
+static int fmr2_release(struct file *file)
 {
-	clear_bit(0, &fmr2_unit.in_use);
 	return 0;
 }
 
 static const struct v4l2_file_operations fmr2_fops = {
 	.owner          = THIS_MODULE,
-	.open           = fmr2_exclusive_open,
-	.release        = fmr2_exclusive_release,
+	.open           = fmr2_open,
+	.release        = fmr2_release,
 	.ioctl          = video_ioctl2,
 };
 
@@ -430,67 +411,64 @@ static const struct v4l2_ioctl_ops fmr2_ioctl_ops = {
 	.vidioc_s_ctrl      = vidioc_s_ctrl,
 };
 
-static struct video_device fmr2_radio = {
-	.name		= "SF16FMR2 radio",
-	.fops		= &fmr2_fops,
-	.ioctl_ops 	= &fmr2_ioctl_ops,
-	.release	= video_device_release_empty,
-};
-
 static int __init fmr2_init(void)
 {
-	fmr2_unit.port = io;
-	fmr2_unit.curvol = 0;
-	fmr2_unit.mute = 0;
-	fmr2_unit.curfreq = 0;
-	fmr2_unit.stereo = 1;
-	fmr2_unit.flags = V4L2_TUNER_CAP_LOW;
-	fmr2_unit.card_type = 0;
-	video_set_drvdata(&fmr2_radio, &fmr2_unit);
-
-	mutex_init(&lock);
-
-	if (!request_region(io, 2, "sf16fmr2")) {
-		printk(KERN_ERR "radio-sf16fmr2: request_region failed!\n");
+	struct fmr2 *fmr2 = &fmr2_card;
+	struct v4l2_device *v4l2_dev = &fmr2->v4l2_dev;
+	int res;
+
+	strlcpy(v4l2_dev->name, "sf16fmr2", sizeof(v4l2_dev->name));
+	fmr2->io = io;
+	fmr2->stereo = 1;
+	fmr2->flags = V4L2_TUNER_CAP_LOW;
+	mutex_init(&fmr2->lock);
+
+	if (!request_region(fmr2->io, 2, "sf16fmr2")) {
+		v4l2_err(v4l2_dev, "request_region failed!\n");
 		return -EBUSY;
 	}
 
-	if (video_register_device(&fmr2_radio, VFL_TYPE_RADIO, radio_nr) < 0) {
-		release_region(io, 2);
-		return -EINVAL;
+	res = v4l2_device_register(NULL, v4l2_dev);
+	if (res < 0) {
+		release_region(fmr2->io, 2);
+		v4l2_err(v4l2_dev, "Could not register v4l2_device\n");
+		return res;
 	}
 
-	printk(KERN_INFO "SF16FMR2 radio card driver at 0x%x.\n", io);
-	/* mute card - prevents noisy bootups */
-	mutex_lock(&lock);
-	fmr2_mute(io);
-	fmr2_product_info(&fmr2_unit);
-	mutex_unlock(&lock);
-	debug_print((KERN_DEBUG "card_type %d\n", fmr2_unit.card_type));
+	strlcpy(fmr2->vdev.name, v4l2_dev->name, sizeof(fmr2->vdev.name));
+	fmr2->vdev.v4l2_dev = v4l2_dev;
+	fmr2->vdev.fops = &fmr2_fops;
+	fmr2->vdev.ioctl_ops = &fmr2_ioctl_ops;
+	fmr2->vdev.release = video_device_release_empty;
+	video_set_drvdata(&fmr2->vdev, fmr2);
 
-	/* Only card_type == 11 implements volume */
-	if (fmr2_unit.card_type != 11)
-		radio_qctrl[AUD_VOL_INDEX].maximum = 1;
+	if (video_register_device(&fmr2->vdev, VFL_TYPE_RADIO, radio_nr) < 0) {
+		v4l2_device_unregister(v4l2_dev);
+		release_region(fmr2->io, 2);
+		return -EINVAL;
+	}
 
+	v4l2_info(v4l2_dev, "SF16FMR2 radio card driver at 0x%x.\n", fmr2->io);
+	/* mute card - prevents noisy bootups */
+	mutex_lock(&fmr2->lock);
+	fmr2_mute(fmr2->io);
+	fmr2_product_info(fmr2);
+	mutex_unlock(&fmr2->lock);
+	debug_print((KERN_DEBUG "card_type %d\n", fmr2->card_type));
 	return 0;
 }
 
-MODULE_AUTHOR("Ziglio Frediano, freddy77@angelfire.com");
-MODULE_DESCRIPTION("A driver for the SF16FMR2 radio.");
-MODULE_LICENSE("GPL");
-
-module_param(io, int, 0);
-MODULE_PARM_DESC(io, "I/O address of the SF16FMR2 card (should be 0x384, if do not work try 0x284)");
-module_param(radio_nr, int, 0);
-
-static void __exit fmr2_cleanup_module(void)
+static void __exit fmr2_exit(void)
 {
-	video_unregister_device(&fmr2_radio);
-	release_region(io,2);
+	struct fmr2 *fmr2 = &fmr2_card;
+
+	video_unregister_device(&fmr2->vdev);
+	v4l2_device_unregister(&fmr2->v4l2_dev);
+	release_region(fmr2->io, 2);
 }
 
 module_init(fmr2_init);
-module_exit(fmr2_cleanup_module);
+module_exit(fmr2_exit);
 
 #ifndef MODULE
 
diff --git a/linux/drivers/media/radio/radio-terratec.c b/linux/drivers/media/radio/radio-terratec.c
index 1c2b4db2d..9bb1773ca 100644
--- a/linux/drivers/media/radio/radio-terratec.c
+++ b/linux/drivers/media/radio/radio-terratec.c
@@ -28,16 +28,31 @@
 #include <linux/init.h>		/* Initdata			*/
 #include <linux/ioport.h>	/* request_region		*/
 #include <linux/delay.h>	/* udelay			*/
-#include <asm/io.h>		/* outb, outb_p			*/
-#include <asm/uaccess.h>	/* copy to/from user		*/
-#include "compat.h"
 #include <linux/videodev2.h>	/* kernel radio structs		*/
-#include <media/v4l2-common.h>
+#include <linux/mutex.h>
+#include <linux/version.h>      /* for KERNEL_VERSION MACRO     */
+#include <linux/io.h>		/* outb, outb_p			*/
+#include <linux/uaccess.h>	/* copy to/from user		*/
+#include <media/v4l2-device.h>
 #include <media/v4l2-ioctl.h>
-#include <linux/spinlock.h>
+#include "compat.h"
 
-#include <linux/version.h>      /* for KERNEL_VERSION MACRO     */
-#define RADIO_VERSION KERNEL_VERSION(0,0,2)
+MODULE_AUTHOR("R.OFFERMANNS & others");
+MODULE_DESCRIPTION("A driver for the TerraTec ActiveRadio Standalone radio card.");
+MODULE_LICENSE("GPL");
+
+#ifndef CONFIG_RADIO_TERRATEC_PORT
+#define CONFIG_RADIO_TERRATEC_PORT 0x590
+#endif
+
+static int io = CONFIG_RADIO_TERRATEC_PORT;
+static int radio_nr = -1;
+
+module_param(io, int, 0);
+MODULE_PARM_DESC(io, "I/O address of the TerraTec ActiveRadio card (0x590 or 0x591)");
+module_param(radio_nr, int, 0);
+
+#define RADIO_VERSION KERNEL_VERSION(0, 0, 2)
 
 static struct v4l2_queryctrl radio_qctrl[] = {
 	{
@@ -58,13 +73,6 @@ static struct v4l2_queryctrl radio_qctrl[] = {
 	}
 };
 
-#ifndef CONFIG_RADIO_TERRATEC_PORT
-#define CONFIG_RADIO_TERRATEC_PORT 0x590
-#endif
-
-/**************** this ones are for the terratec *******************/
-#define BASEPORT 	0x590
-#define VOLPORT 	0x591
 #define WRT_DIS 	0x00
 #define CLK_OFF		0x00
 #define IIC_DATA	0x01
@@ -72,138 +80,124 @@ static struct v4l2_queryctrl radio_qctrl[] = {
 #define DATA		0x04
 #define CLK_ON 		0x08
 #define WRT_EN		0x10
-/*******************************************************************/
-
-static int io = CONFIG_RADIO_TERRATEC_PORT;
-static int radio_nr = -1;
-static spinlock_t lock;
 
-struct tt_device
+struct terratec
 {
-	unsigned long in_use;
-	int port;
+	struct v4l2_device v4l2_dev;
+	struct video_device vdev;
+	int io;
 	int curvol;
 	unsigned long curfreq;
 	int muted;
+	struct mutex lock;
 };
 
+static struct terratec terratec_card;
 
 /* local things */
 
-static void cardWriteVol(int volume)
+static void tt_write_vol(struct terratec *tt, int volume)
 {
 	int i;
-	volume = volume+(volume * 32); // change both channels
-	spin_lock(&lock);
-	for (i=0;i<8;i++)
-	{
-		if (volume & (0x80>>i))
-			outb(0x80, VOLPORT);
-		else outb(0x00, VOLPORT);
+
+	volume = volume + (volume * 32); /* change both channels */
+	mutex_lock(&tt->lock);
+	for (i = 0; i < 8; i++) {
+		if (volume & (0x80 >> i))
+			outb(0x80, tt->io + 1);
+		else
+			outb(0x00, tt->io + 1);
 	}
-	spin_unlock(&lock);
+	mutex_unlock(&tt->lock);
 }
 
 
 
-static void tt_mute(struct tt_device *dev)
+static void tt_mute(struct terratec *tt)
 {
-	dev->muted = 1;
-	cardWriteVol(0);
+	tt->muted = 1;
+	tt_write_vol(tt, 0);
 }
 
-static int tt_setvol(struct tt_device *dev, int vol)
+static int tt_setvol(struct terratec *tt, int vol)
 {
-
-//	printk(KERN_ERR "setvol called, vol = %d\n", vol);
-
-	if(vol == dev->curvol) {	/* requested volume = current */
-		if (dev->muted) {	/* user is unmuting the card  */
-			dev->muted = 0;
-			cardWriteVol(vol);	/* enable card */
+	if (vol == tt->curvol) {	/* requested volume = current */
+		if (tt->muted) {	/* user is unmuting the card  */
+			tt->muted = 0;
+			tt_write_vol(tt, vol);	/* enable card */
 		}
-
 		return 0;
 	}
 
-	if(vol == 0) {			/* volume = 0 means mute the card */
-		cardWriteVol(0);	/* "turn off card" by setting vol to 0 */
-		dev->curvol = vol;	/* track the volume state!	*/
+	if (vol == 0) {			/* volume = 0 means mute the card */
+		tt_write_vol(tt, 0);	/* "turn off card" by setting vol to 0 */
+		tt->curvol = vol;	/* track the volume state!	*/
 		return 0;
 	}
 
-	dev->muted = 0;
-
-	cardWriteVol(vol);
-
-	dev->curvol = vol;
-
+	tt->muted = 0;
+	tt_write_vol(tt, vol);
+	tt->curvol = vol;
 	return 0;
-
 }
 
 
 /* this is the worst part in this driver */
 /* many more or less strange things are going on here, but hey, it works :) */
 
-static int tt_setfreq(struct tt_device *dev, unsigned long freq1)
+static int tt_setfreq(struct terratec *tt, unsigned long freq1)
 {
 	int freq;
 	int i;
 	int p;
 	int  temp;
 	long rest;
-
 	unsigned char buffer[25];		/* we have to bit shift 25 registers */
-	freq = freq1/160;			/* convert the freq. to a nice to handle value */
-	for(i=24;i>-1;i--)
-		buffer[i]=0;
 
-	rest = freq*10+10700;		/* i once had understood what is going on here */
+	mutex_lock(&tt->lock);
+
+	tt->curfreq = freq1;
+
+	freq = freq1 / 160;			/* convert the freq. to a nice to handle value */
+	memset(buffer, 0, sizeof(buffer));
+
+	rest = freq * 10 + 10700;	/* I once had understood what is going on here */
 					/* maybe some wise guy (friedhelm?) can comment this stuff */
-	i=13;
-	p=10;
-	temp=102400;
-	while (rest!=0)
-	{
-		if (rest%temp  == rest)
+	i = 13;
+	p = 10;
+	temp = 102400;
+	while (rest != 0) {
+		if (rest % temp  == rest)
 			buffer[i] = 0;
-		else
-		{
+		else {
 			buffer[i] = 1;
-			rest = rest-temp;
+			rest = rest - temp;
 		}
 		i--;
 		p--;
-		temp = temp/2;
+		temp = temp / 2;
 	}
 
-	spin_lock(&lock);
-
-	for (i=24;i>-1;i--)			/* bit shift the values to the radiocard */
-	{
-		if (buffer[i]==1)
-		{
-			outb(WRT_EN|DATA, BASEPORT);
-			outb(WRT_EN|DATA|CLK_ON  , BASEPORT);
-			outb(WRT_EN|DATA, BASEPORT);
-		}
-		else
-		{
-			outb(WRT_EN|0x00, BASEPORT);
-			outb(WRT_EN|0x00|CLK_ON  , BASEPORT);
+	for (i = 24; i > -1; i--) {	/* bit shift the values to the radiocard */
+		if (buffer[i] == 1) {
+			outb(WRT_EN | DATA, tt->io);
+			outb(WRT_EN | DATA | CLK_ON, tt->io);
+			outb(WRT_EN | DATA, tt->io);
+		} else {
+			outb(WRT_EN | 0x00, tt->io);
+			outb(WRT_EN | 0x00 | CLK_ON, tt->io);
 		}
 	}
-	outb(0x00, BASEPORT);
+	outb(0x00, tt->io);
 
-	spin_unlock(&lock);
+	mutex_unlock(&tt->lock);
 
 	return 0;
 }
 
-static int tt_getsigstr(struct tt_device *dev)		/* TODO */
+static int tt_getsigstr(struct terratec *tt)
 {
-	if (inb(io) & 2)	/* bit set = no signal present	*/
+	if (inb(tt->io) & 2)	/* bit set = no signal present	*/
 		return 0;
 	return 1;		/* signal present		*/
 }
@@ -213,53 +207,50 @@ static int vidioc_querycap(struct file *file, void *priv,
 {
 	strlcpy(v->driver, "radio-terratec", sizeof(v->driver));
 	strlcpy(v->card, "ActiveRadio", sizeof(v->card));
-	sprintf(v->bus_info, "ISA");
+	strlcpy(v->bus_info, "ISA", sizeof(v->bus_info));
 	v->version = RADIO_VERSION;
-	v->capabilities = V4L2_CAP_TUNER;
+	v->capabilities = V4L2_CAP_TUNER | V4L2_CAP_RADIO;
 	return 0;
 }
 
 static int vidioc_g_tuner(struct file *file, void *priv,
 					struct v4l2_tuner *v)
 {
-	struct tt_device *tt = video_drvdata(file);
+	struct terratec *tt = video_drvdata(file);
 
 	if (v->index > 0)
 		return -EINVAL;
 
-	strcpy(v->name, "FM");
+	strlcpy(v->name, "FM", sizeof(v->name));
 	v->type = V4L2_TUNER_RADIO;
-	v->rangelow = (87*16000);
-	v->rangehigh = (108*16000);
+	v->rangelow = 87 * 16000;
+	v->rangehigh = 108 * 16000;
 	v->rxsubchans = V4L2_TUNER_SUB_MONO;
 	v->capability = V4L2_TUNER_CAP_LOW;
 	v->audmode = V4L2_TUNER_MODE_MONO;
-	v->signal = 0xFFFF*tt_getsigstr(tt);
+	v->signal = 0xFFFF * tt_getsigstr(tt);
 	return 0;
 }
 
 static int vidioc_s_tuner(struct file *file, void *priv,
 					struct v4l2_tuner *v)
 {
-	if (v->index > 0)
-		return -EINVAL;
-	return 0;
+	return v->index ? -EINVAL : 0;
 }
 
 static int vidioc_s_frequency(struct file *file, void *priv,
 					struct v4l2_frequency *f)
 {
-	struct tt_device *tt = video_drvdata(file);
+	struct terratec *tt = video_drvdata(file);
 
-	tt->curfreq = f->frequency;
-	tt_setfreq(tt, tt->curfreq);
+	tt_setfreq(tt, f->frequency);
 	return 0;
 }
 
 static int vidioc_g_frequency(struct file *file, void *priv,
 					struct v4l2_frequency *f)
 {
-	struct tt_device *tt = video_drvdata(file);
+	struct terratec *tt = video_drvdata(file);
 
 	f->type = V4L2_TUNER_RADIO;
 	f->frequency = tt->curfreq;
@@ -273,8 +264,7 @@ static int vidioc_queryctrl(struct file *file, void *priv,
 
 	for (i = 0; i < ARRAY_SIZE(radio_qctrl); i++) {
 		if (qc->id && qc->id == radio_qctrl[i].id) {
-			memcpy(qc, &(radio_qctrl[i]),
-						sizeof(*qc));
+			memcpy(qc, &(radio_qctrl[i]), sizeof(*qc));
 			return 0;
 		}
 	}
@@ -284,7 +274,7 @@ static int vidioc_queryctrl(struct file *file, void *priv,
 static int vidioc_g_ctrl(struct file *file, void *priv,
 					struct v4l2_control *ctrl)
 {
-	struct tt_device *tt = video_drvdata(file);
+	struct terratec *tt = video_drvdata(file);
 
 	switch (ctrl->id) {
 	case V4L2_CID_AUDIO_MUTE:
@@ -303,7 +293,7 @@ static int vidioc_g_ctrl(struct file *file, void *priv,
 static int vidioc_s_ctrl(struct file *file, void *priv,
 					struct v4l2_control *ctrl)
 {
-	struct tt_device *tt = video_drvdata(file);
+	struct terratec *tt = video_drvdata(file);
 
 	switch (ctrl->id) {
 	case V4L2_CID_AUDIO_MUTE:
@@ -319,17 +309,6 @@ static int vidioc_s_ctrl(struct file *file, void *priv,
 	return -EINVAL;
 }
 
-static int vidioc_g_audio(struct file *file, void *priv,
-					struct v4l2_audio *a)
-{
-	if (a->index > 1)
-		return -EINVAL;
-
-	strcpy(a->name, "Radio");
-	a->capability = V4L2_AUDCAP_STEREO;
-	return 0;
-}
-
 static int vidioc_g_input(struct file *filp, void *priv, unsigned int *i)
 {
 	*i = 0;
@@ -338,36 +317,38 @@ static int vidioc_g_input(struct file *filp, void *priv, unsigned int *i)
 
 static int vidioc_s_input(struct file *filp, void *priv, unsigned int i)
 {
-	if (i != 0)
-		return -EINVAL;
-	return 0;
+	return i ? -EINVAL : 0;
 }
 
-static int vidioc_s_audio(struct file *file, void *priv,
+static int vidioc_g_audio(struct file *file, void *priv,
 					struct v4l2_audio *a)
 {
-	if (a->index != 0)
-		return -EINVAL;
+	a->index = 0;
+	strlcpy(a->name, "Radio", sizeof(a->name));
+	a->capability = V4L2_AUDCAP_STEREO;
 	return 0;
 }
 
-static struct tt_device terratec_unit;
+static int vidioc_s_audio(struct file *file, void *priv,
+					struct v4l2_audio *a)
+{
+	return a->index ? -EINVAL : 0;
+}
 
-static int terratec_exclusive_open(struct file *file)
+static int terratec_open(struct file *file)
 {
-	return test_and_set_bit(0, &terratec_unit.in_use) ? -EBUSY : 0;
+	return 0;
 }
 
-static int terratec_exclusive_release(struct file *file)
+static int terratec_release(struct file *file)
 {
-	clear_bit(0, &terratec_unit.in_use);
 	return 0;
 }
 
 static const struct v4l2_file_operations terratec_fops = {
 	.owner		= THIS_MODULE,
-	.open           = terratec_exclusive_open,
-	.release        = terratec_exclusive_release,
+	.open           = terratec_open,
+	.release        = terratec_release,
 	.ioctl		= video_ioctl2,
 };
 
@@ -386,60 +367,63 @@ static const struct v4l2_ioctl_ops terratec_ioctl_ops = {
 	.vidioc_s_input     = vidioc_s_input,
 };
 
-static struct video_device terratec_radio = {
-	.name		= "TerraTec ActiveRadio",
-	.fops           = &terratec_fops,
-	.ioctl_ops 	= &terratec_ioctl_ops,
-	.release	= video_device_release_empty,
-};
-
 static int __init terratec_init(void)
 {
-	if(io==-1)
-	{
-		printk(KERN_ERR "You must set an I/O address with io=0x???\n");
+	struct terratec *tt = &terratec_card;
+	struct v4l2_device *v4l2_dev = &tt->v4l2_dev;
+	int res;
+
+	strlcpy(v4l2_dev->name, "terratec", sizeof(v4l2_dev->name));
+	tt->io = io;
+	if (tt->io == -1) {
+		v4l2_err(v4l2_dev, "you must set an I/O address with io=0x590 or 0x591\n");
 		return -EINVAL;
 	}
-	if (!request_region(io, 2, "terratec"))
-	{
-		printk(KERN_ERR "TerraTec: port 0x%x already in use\n", io);
+	if (!request_region(tt->io, 2, "terratec")) {
+		v4l2_err(v4l2_dev, "port 0x%x already in use\n", io);
 		return -EBUSY;
 	}
 
-	video_set_drvdata(&terratec_radio, &terratec_unit);
+	res = v4l2_device_register(NULL, v4l2_dev);
+	if (res < 0) {
+		release_region(tt->io, 2);
+		v4l2_err(v4l2_dev, "Could not register v4l2_device\n");
+		return res;
+	}
+
+	strlcpy(tt->vdev.name, v4l2_dev->name, sizeof(tt->vdev.name));
+	tt->vdev.v4l2_dev = v4l2_dev;
+	tt->vdev.fops = &terratec_fops;
+	tt->vdev.ioctl_ops = &terratec_ioctl_ops;
+	tt->vdev.release = video_device_release_empty;
+	video_set_drvdata(&tt->vdev, tt);
 
-	spin_lock_init(&lock);
+	mutex_init(&tt->lock);
 
-	if (video_register_device(&terratec_radio, VFL_TYPE_RADIO, radio_nr) < 0) {
-		release_region(io,2);
+	if (video_register_device(&tt->vdev, VFL_TYPE_RADIO, radio_nr) < 0) {
+		v4l2_device_unregister(&tt->v4l2_dev);
+		release_region(tt->io, 2);
 		return -EINVAL;
 	}
 
-	printk(KERN_INFO "TERRATEC ActivRadio Standalone card driver.\n");
+	v4l2_info(v4l2_dev, "TERRATEC ActivRadio Standalone card driver.\n");
 
 	/* mute card - prevents noisy bootups */
-
-	/* this ensures that the volume is all the way down  */
-	cardWriteVol(0);
-	terratec_unit.curvol = 0;
-
+	tt_write_vol(tt, 0);
 	return 0;
 }
 
-MODULE_AUTHOR("R.OFFERMANNS & others");
-MODULE_DESCRIPTION("A driver for the TerraTec ActiveRadio Standalone radio card.");
-MODULE_LICENSE("GPL");
-module_param(io, int, 0);
-MODULE_PARM_DESC(io, "I/O address of the TerraTec ActiveRadio card (0x590 or 0x591)");
-module_param(radio_nr, int, 0);
-
-static void __exit terratec_cleanup_module(void)
+static void __exit terratec_exit(void)
 {
-	video_unregister_device(&terratec_radio);
-	release_region(io,2);
-	printk(KERN_INFO "TERRATEC ActivRadio Standalone card driver unloaded.\n");
+	struct terratec *tt = &terratec_card;
+	struct v4l2_device *v4l2_dev = &tt->v4l2_dev;
+
+	video_unregister_device(&tt->vdev);
+	v4l2_device_unregister(&tt->v4l2_dev);
+	release_region(tt->io, 2);
+	v4l2_info(v4l2_dev, "TERRATEC ActivRadio Standalone card driver unloaded.\n");
 }
 
 module_init(terratec_init);
-module_exit(terratec_cleanup_module);
+module_exit(terratec_exit);
 
diff --git a/linux/drivers/media/radio/radio-trust.c b/linux/drivers/media/radio/radio-trust.c
index 5ce7a9d1d..9d2dcb0a7 100644
--- a/linux/drivers/media/radio/radio-trust.c
+++ b/linux/drivers/media/radio/radio-trust.c
@@ -19,50 +19,17 @@
 #include <linux/module.h>
 #include <linux/init.h>
 #include <linux/ioport.h>
-#include <asm/io.h>
-#include <asm/uaccess.h>
-#include "compat.h"
+#include <linux/version.h>      /* for KERNEL_VERSION MACRO     */
 #include <linux/videodev2.h>
-#include <media/v4l2-common.h>
+#include <linux/io.h>
+#include <linux/uaccess.h>
+#include <media/v4l2-device.h>
 #include <media/v4l2-ioctl.h>
+#include "compat.h"
 
-#include <linux/version.h>      /* for KERNEL_VERSION MACRO     */
-#define RADIO_VERSION KERNEL_VERSION(0,0,2)
-
-static struct v4l2_queryctrl radio_qctrl[] = {
-	{
-		.id            = V4L2_CID_AUDIO_MUTE,
-		.name          = "Mute",
-		.minimum       = 0,
-		.maximum       = 1,
-		.default_value = 1,
-		.type          = V4L2_CTRL_TYPE_BOOLEAN,
-	},{
-		.id            = V4L2_CID_AUDIO_VOLUME,
-		.name          = "Volume",
-		.minimum       = 0,
-		.maximum       = 65535,
-		.step          = 2048,
-		.default_value = 65535,
-		.type          = V4L2_CTRL_TYPE_INTEGER,
-	},{
-		.id            = V4L2_CID_AUDIO_BASS,
-		.name          = "Bass",
-		.minimum       = 0,
-		.maximum       = 65535,
-		.step          = 4370,
-		.default_value = 32768,
-		.type          = V4L2_CTRL_TYPE_INTEGER,
-	},{
-		.id            = V4L2_CID_AUDIO_TREBLE,
-		.name          = "Treble",
-		.minimum       = 0,
-		.maximum       = 65535,
-		.step          = 4370,
-		.default_value = 32768,
-		.type          = V4L2_CTRL_TYPE_INTEGER,
-	},
-};
+MODULE_AUTHOR("Eric Lammerts, Russell Kroll, Quay Lu, Donald Song, Jason Lewis, Scott McGrath, William McGrath");
+MODULE_DESCRIPTION("A driver for the Trust FM Radio card.");
+MODULE_LICENSE("GPL");
 
 /* acceptable ports: 0x350 (JP3 shorted), 0x358 (JP3 open) */
 
@@ -72,26 +39,41 @@ static struct v4l2_queryctrl radio_qctrl[] = {
 
 static int io = CONFIG_RADIO_TRUST_PORT;
 static int radio_nr = -1;
-static int ioval = 0xf;
-static __u16 curvol;
-static __u16 curbass;
-static __u16 curtreble;
-static unsigned long curfreq;
-static int curstereo;
-static int curmute;
-static unsigned long in_use;
+
+module_param(io, int, 0);
+MODULE_PARM_DESC(io, "I/O address of the Trust FM Radio card (0x350 or 0x358)");
+module_param(radio_nr, int, 0);
+
+#define RADIO_VERSION KERNEL_VERSION(0, 0, 2)
+
+struct trust {
+	struct v4l2_device v4l2_dev;
+	struct video_device vdev;
+	int io;
+	int ioval;
+	__u16 curvol;
+	__u16 curbass;
+	__u16 curtreble;
+	int muted;
+	unsigned long curfreq;
+	int curstereo;
+	int curmute;
+	struct mutex lock;
+};
+
+static struct trust trust_card;
 
 /* i2c addresses */
 #define TDA7318_ADDR 0x88
 #define TSA6060T_ADDR 0xc4
 
-#define TR_DELAY do { inb(io); inb(io); inb(io); } while(0)
-#define TR_SET_SCL outb(ioval |= 2, io)
-#define TR_CLR_SCL outb(ioval &= 0xfd, io)
-#define TR_SET_SDA outb(ioval |= 1, io)
-#define TR_CLR_SDA outb(ioval &= 0xfe, io)
+#define TR_DELAY do { inb(tr->io); inb(tr->io); inb(tr->io); } while (0)
+#define TR_SET_SCL outb(tr->ioval |= 2, tr->io)
+#define TR_CLR_SCL outb(tr->ioval &= 0xfd, tr->io)
+#define TR_SET_SDA outb(tr->ioval |= 1, tr->io)
+#define TR_CLR_SDA outb(tr->ioval &= 0xfe, tr->io)
 
-static void write_i2c(int n, ...)
+static void write_i2c(struct trust *tr, int n, ...)
 {
 	unsigned char val, mask;
 	va_list args;
@@ -137,62 +119,77 @@ static void write_i2c(int n, ...)
 	va_end(args);
 }
 
-static void tr_setvol(__u16 vol)
+static void tr_setvol(struct trust *tr, __u16 vol)
 {
-	curvol = vol / 2048;
-	write_i2c(2, TDA7318_ADDR, curvol ^ 0x1f);
+	mutex_lock(&tr->lock);
+	tr->curvol = vol / 2048;
+	write_i2c(tr, 2, TDA7318_ADDR, tr->curvol ^ 0x1f);
+	mutex_unlock(&tr->lock);
 }
 
 static int basstreble2chip[15] = {
 	0, 1, 2, 3, 4, 5, 6, 7, 14, 13, 12, 11, 10, 9, 8
 };
 
-static void tr_setbass(__u16 bass)
+static void tr_setbass(struct trust *tr, __u16 bass)
 {
-	curbass = bass / 4370;
-	write_i2c(2, TDA7318_ADDR, 0x60 | basstreble2chip[curbass]);
+	mutex_lock(&tr->lock);
+	tr->curbass = bass / 4370;
+	write_i2c(tr, 2, TDA7318_ADDR, 0x60 | basstreble2chip[tr->curbass]);
+	mutex_unlock(&tr->lock);
 }
 
-static void tr_settreble(__u16 treble)
+static void tr_settreble(struct trust *tr, __u16 treble)
 {
-	curtreble = treble / 4370;
-	write_i2c(2, TDA7318_ADDR, 0x70 | basstreble2chip[curtreble]);
+	mutex_lock(&tr->lock);
+	tr->curtreble = treble / 4370;
+	write_i2c(tr, 2, TDA7318_ADDR, 0x70 | basstreble2chip[tr->curtreble]);
+	mutex_unlock(&tr->lock);
 }
 
-static void tr_setstereo(int stereo)
+static void tr_setstereo(struct trust *tr, int stereo)
 {
-	curstereo = !!stereo;
-	ioval = (ioval & 0xfb) | (!curstereo << 2);
-	outb(ioval, io);
+	mutex_lock(&tr->lock);
+	tr->curstereo = !!stereo;
+	tr->ioval = (tr->ioval & 0xfb) | (!tr->curstereo << 2);
+	outb(tr->ioval, tr->io);
+	mutex_unlock(&tr->lock);
 }
 
-static void tr_setmute(int mute)
+static void tr_setmute(struct trust *tr, int mute)
 {
-	curmute = !!mute;
-	ioval = (ioval & 0xf7) | (curmute << 3);
-	outb(ioval, io);
+	mutex_lock(&tr->lock);
+	tr->curmute = !!mute;
+	tr->ioval = (tr->ioval & 0xf7) | (tr->curmute << 3);
+	outb(tr->ioval, tr->io);
+	mutex_unlock(&tr->lock);
 }
 
-static int tr_getsigstr(void)
+static int tr_getsigstr(struct trust *tr)
 {
 	int i, v;
 
-	for(i = 0, v = 0; i < 100; i++) v |= inb(io);
-	return (v & 1)? 0 : 0xffff;
+	mutex_lock(&tr->lock);
+	for (i = 0, v = 0; i < 100; i++)
+		v |= inb(tr->io);
+	mutex_unlock(&tr->lock);
+	return (v & 1) ? 0 : 0xffff;
 }
 
-static int tr_getstereo(void)
+static int tr_getstereo(struct trust *tr)
 {
 	/* don't know how to determine it, just return the setting */
-	return curstereo;
+	return tr->curstereo;
 }
 
-static void tr_setfreq(unsigned long f)
+static void tr_setfreq(struct trust *tr, unsigned long f)
 {
+	mutex_lock(&tr->lock);
+	tr->curfreq = f;
 	f /= 160;	/* Convert to 10 kHz units	*/
-	f += 1070;	/* Add 10.7 MHz IF			*/
-
-	write_i2c(5, TSA6060T_ADDR, (f << 1) | 1, f >> 7, 0x60 | ((f >> 15) & 1), 0);
+	f += 1070;	/* Add 10.7 MHz IF		*/
+	write_i2c(tr, 5, TSA6060T_ADDR, (f << 1) | 1, f >> 7, 0x60 | ((f >> 15) & 1), 0);
+	mutex_unlock(&tr->lock);
 }
 
 static int vidioc_querycap(struct file *file, void *priv,
@@ -200,68 +197,75 @@ static int vidioc_querycap(struct file *file, void *priv,
 {
 	strlcpy(v->driver, "radio-trust", sizeof(v->driver));
 	strlcpy(v->card, "Trust FM Radio", sizeof(v->card));
-	sprintf(v->bus_info, "ISA");
+	strlcpy(v->bus_info, "ISA", sizeof(v->bus_info));
 	v->version = RADIO_VERSION;
-	v->capabilities = V4L2_CAP_TUNER;
+	v->capabilities = V4L2_CAP_TUNER | V4L2_CAP_RADIO;
 	return 0;
 }
 
 static int vidioc_g_tuner(struct file *file, void *priv,
 				struct v4l2_tuner *v)
 {
+	struct trust *tr = video_drvdata(file);
+
 	if (v->index > 0)
 		return -EINVAL;
 
-	strcpy(v->name, "FM");
+	strlcpy(v->name, "FM", sizeof(v->name));
 	v->type = V4L2_TUNER_RADIO;
-	v->rangelow = (87.5*16000);
-	v->rangehigh = (108*16000);
-	v->rxsubchans = V4L2_TUNER_SUB_MONO|V4L2_TUNER_SUB_STEREO;
+	v->rangelow = 87.5 * 16000;
+	v->rangehigh = 108 * 16000;
+	v->rxsubchans = V4L2_TUNER_SUB_MONO | V4L2_TUNER_SUB_STEREO;
 	v->capability = V4L2_TUNER_CAP_LOW;
-	if (tr_getstereo())
+	if (tr_getstereo(tr))
 		v->audmode = V4L2_TUNER_MODE_STEREO;
 	else
 		v->audmode = V4L2_TUNER_MODE_MONO;
-	v->signal = tr_getsigstr();
+	v->signal = tr_getsigstr(tr);
 	return 0;
 }
 
 static int vidioc_s_tuner(struct file *file, void *priv,
 				struct v4l2_tuner *v)
 {
-	if (v->index > 0)
-		return -EINVAL;
+	struct trust *tr = video_drvdata(file);
 
+	if (v->index)
+		return -EINVAL;
+	tr_setstereo(tr, v->audmode == V4L2_TUNER_MODE_STEREO);
 	return 0;
 }
 
 static int vidioc_s_frequency(struct file *file, void *priv,
 				struct v4l2_frequency *f)
 {
-	curfreq = f->frequency;
-	tr_setfreq(curfreq);
+	struct trust *tr = video_drvdata(file);
+
+	tr_setfreq(tr, f->frequency);
 	return 0;
 }
 
 static int vidioc_g_frequency(struct file *file, void *priv,
 				struct v4l2_frequency *f)
 {
+	struct trust *tr = video_drvdata(file);
+
 	f->type = V4L2_TUNER_RADIO;
-	f->frequency = curfreq;
+	f->frequency = tr->curfreq;
 	return 0;
 }
 
 static int vidioc_queryctrl(struct file *file, void *priv,
 				struct v4l2_queryctrl *qc)
 {
-	int i;
-
-	for (i = 0; i < ARRAY_SIZE(radio_qctrl); i++) {
-		if (qc->id && qc->id == radio_qctrl[i].id) {
-			memcpy(qc, &(radio_qctrl[i]),
-						sizeof(*qc));
-			return 0;
-		}
+	switch (qc->id) {
+	case V4L2_CID_AUDIO_MUTE:
+		return v4l2_ctrl_query_fill(qc, 0, 1, 1, 1);
+	case V4L2_CID_AUDIO_VOLUME:
+		return v4l2_ctrl_query_fill(qc, 0, 65535, 2048, 65535);
+	case V4L2_CID_AUDIO_BASS:
+	case V4L2_CID_AUDIO_TREBLE:
+		return v4l2_ctrl_query_fill(qc, 0, 65535, 4370, 32768);
 	}
 	return -EINVAL;
 }
@@ -269,18 +273,20 @@ static int vidioc_queryctrl(struct file *file, void *priv,
 static int vidioc_g_ctrl(struct file *file, void *priv,
 				struct v4l2_control *ctrl)
 {
+	struct trust *tr = video_drvdata(file);
+
 	switch (ctrl->id) {
 	case V4L2_CID_AUDIO_MUTE:
-		ctrl->value = curmute;
+		ctrl->value = tr->curmute;
 		return 0;
 	case V4L2_CID_AUDIO_VOLUME:
-		ctrl->value = curvol * 2048;
+		ctrl->value = tr->curvol * 2048;
 		return 0;
 	case V4L2_CID_AUDIO_BASS:
-		ctrl->value = curbass * 4370;
+		ctrl->value = tr->curbass * 4370;
 		return 0;
 	case V4L2_CID_AUDIO_TREBLE:
-		ctrl->value = curtreble * 4370;
+		ctrl->value = tr->curtreble * 4370;
 		return 0;
 	}
 	return -EINVAL;
@@ -289,37 +295,25 @@ static int vidioc_g_ctrl(struct file *file, void *priv,
 static int vidioc_s_ctrl(struct file *file, void *priv,
 				struct v4l2_control *ctrl)
 {
+	struct trust *tr = video_drvdata(file);
+
 	switch (ctrl->id) {
 	case V4L2_CID_AUDIO_MUTE:
-		tr_setmute(ctrl->value);
+		tr_setmute(tr, ctrl->value);
 		return 0;
 	case V4L2_CID_AUDIO_VOLUME:
-		tr_setvol(ctrl->value);
+		tr_setvol(tr, ctrl->value);
 		return 0;
 	case V4L2_CID_AUDIO_BASS:
-		tr_setbass(ctrl->value);
+		tr_setbass(tr, ctrl->value);
 		return 0;
 	case V4L2_CID_AUDIO_TREBLE:
-		tr_settreble(ctrl->value);
+		tr_settreble(tr, ctrl->value);
 		return 0;
 	}
-#if 0 /* Should implement mono/stereo on V4L2 */
-			tr_setstereo(v->mode & VIDEO_SOUND_STEREO);
-#endif
 	return -EINVAL;
 }
 
-static int vidioc_g_audio(struct file *file, void *priv,
-				struct v4l2_audio *a)
-{
-	if (a->index > 1)
-		return -EINVAL;
-
-	strcpy(a->name, "Radio");
-	a->capability = V4L2_AUDCAP_STEREO;
-	return 0;
-}
-
 static int vidioc_g_input(struct file *filp, void *priv, unsigned int *i)
 {
 	*i = 0;
@@ -328,34 +322,38 @@ static int vidioc_g_input(struct file *filp, void *priv, unsigned int *i)
 
 static int vidioc_s_input(struct file *filp, void *priv, unsigned int i)
 {
-	if (i != 0)
-		return -EINVAL;
+	return i ? -EINVAL : 0;
+}
+
+static int vidioc_g_audio(struct file *file, void *priv,
+				struct v4l2_audio *a)
+{
+	a->index = 0;
+	strlcpy(a->name, "Radio", sizeof(a->name));
+	a->capability = V4L2_AUDCAP_STEREO;
 	return 0;
 }
 
 static int vidioc_s_audio(struct file *file, void *priv,
 				struct v4l2_audio *a)
 {
-	if (a->index != 0)
-		return -EINVAL;
-	return 0;
+	return a->index ? -EINVAL : 0;
 }
 
-static int trust_exclusive_open(struct file *file)
+static int trust_open(struct file *file)
 {
-	return test_and_set_bit(0, &in_use) ? -EBUSY : 0;
+	return 0;
 }
 
-static int trust_exclusive_release(struct file *file)
+static int trust_release(struct file *file)
 {
-	clear_bit(0, &in_use);
 	return 0;
 }
 
 static const struct v4l2_file_operations trust_fops = {
 	.owner		= THIS_MODULE,
-	.open           = trust_exclusive_open,
-	.release        = trust_exclusive_release,
+	.open           = trust_open,
+	.release        = trust_release,
 	.ioctl		= video_ioctl2,
 };
 
@@ -374,59 +372,72 @@ static const struct v4l2_ioctl_ops trust_ioctl_ops = {
 	.vidioc_s_input     = vidioc_s_input,
 };
 
-static struct video_device trust_radio = {
-	.name		= "Trust FM Radio",
-	.fops           = &trust_fops,
-	.ioctl_ops 	= &trust_ioctl_ops,
-	.release	= video_device_release_empty,
-};
-
 static int __init trust_init(void)
 {
-	if(io == -1) {
-		printk(KERN_ERR "You must set an I/O address with io=0x???\n");
+	struct trust *tr = &trust_card;
+	struct v4l2_device *v4l2_dev = &tr->v4l2_dev;
+	int res;
+
+	strlcpy(v4l2_dev->name, "trust", sizeof(v4l2_dev->name));
+	tr->io = io;
+	tr->ioval = 0xf;
+	mutex_init(&tr->lock);
+
+	if (tr->io == -1) {
+		v4l2_err(v4l2_dev, "You must set an I/O address with io=0x0x350 or 0x358\n");
 		return -EINVAL;
 	}
-	if(!request_region(io, 2, "Trust FM Radio")) {
-		printk(KERN_ERR "trust: port 0x%x already in use\n", io);
+	if (!request_region(tr->io, 2, "Trust FM Radio")) {
+		v4l2_err(v4l2_dev, "port 0x%x already in use\n", tr->io);
 		return -EBUSY;
 	}
-	if (video_register_device(&trust_radio, VFL_TYPE_RADIO, radio_nr) < 0) {
-		release_region(io, 2);
+
+	res = v4l2_device_register(NULL, v4l2_dev);
+	if (res < 0) {
+		release_region(tr->io, 2);
+		v4l2_err(v4l2_dev, "Could not register v4l2_device\n");
+		return res;
+	}
+
+	strlcpy(tr->vdev.name, v4l2_dev->name, sizeof(tr->vdev.name));
+	tr->vdev.v4l2_dev = v4l2_dev;
+	tr->vdev.fops = &trust_fops;
+	tr->vdev.ioctl_ops = &trust_ioctl_ops;
+	tr->vdev.release = video_device_release_empty;
+	video_set_drvdata(&tr->vdev, tr);
+
+	if (video_register_device(&tr->vdev, VFL_TYPE_RADIO, radio_nr) < 0) {
+		v4l2_device_unregister(v4l2_dev);
+		release_region(tr->io, 2);
 		return -EINVAL;
 	}
 
-	printk(KERN_INFO "Trust FM Radio card driver v1.0.\n");
+	v4l2_info(v4l2_dev, "Trust FM Radio card driver v1.0.\n");
 
-	write_i2c(2, TDA7318_ADDR, 0x80);	/* speaker att. LF = 0 dB */
-	write_i2c(2, TDA7318_ADDR, 0xa0);	/* speaker att. RF = 0 dB */
-	write_i2c(2, TDA7318_ADDR, 0xc0);	/* speaker att. LR = 0 dB */
-	write_i2c(2, TDA7318_ADDR, 0xe0);	/* speaker att. RR = 0 dB */
-	write_i2c(2, TDA7318_ADDR, 0x40);	/* stereo 1 input, gain = 18.75 dB */
+	write_i2c(tr, 2, TDA7318_ADDR, 0x80);	/* speaker att. LF = 0 dB */
+	write_i2c(tr, 2, TDA7318_ADDR, 0xa0);	/* speaker att. RF = 0 dB */
+	write_i2c(tr, 2, TDA7318_ADDR, 0xc0);	/* speaker att. LR = 0 dB */
+	write_i2c(tr, 2, TDA7318_ADDR, 0xe0);	/* speaker att. RR = 0 dB */
+	write_i2c(tr, 2, TDA7318_ADDR, 0x40);	/* stereo 1 input, gain = 18.75 dB */
 
-	tr_setvol(0x8000);
-	tr_setbass(0x8000);
-	tr_settreble(0x8000);
-	tr_setstereo(1);
+	tr_setvol(tr, 0xffff);
+	tr_setbass(tr, 0x8000);
+	tr_settreble(tr, 0x8000);
+	tr_setstereo(tr, 1);
 
 	/* mute card - prevents noisy bootups */
-	tr_setmute(1);
+	tr_setmute(tr, 1);
 
 	return 0;
 }
 
-MODULE_AUTHOR("Eric Lammerts, Russell Kroll, Quay Lu, Donald Song, Jason Lewis, Scott McGrath, William McGrath");
-MODULE_DESCRIPTION("A driver for the Trust FM Radio card.");
-MODULE_LICENSE("GPL");
-
-module_param(io, int, 0);
-MODULE_PARM_DESC(io, "I/O address of the Trust FM Radio card (0x350 or 0x358)");
-module_param(radio_nr, int, 0);
-
 static void __exit cleanup_trust_module(void)
 {
-	video_unregister_device(&trust_radio);
-	release_region(io, 2);
+	struct trust *tr = &trust_card;
+
+	video_unregister_device(&tr->vdev);
+	v4l2_device_unregister(&tr->v4l2_dev);
+	release_region(tr->io, 2);
 }
 
 module_init(trust_init);
diff --git a/linux/drivers/media/radio/radio-typhoon.c b/linux/drivers/media/radio/radio-typhoon.c
index bf812fbb5..11e3775ab 100644
--- a/linux/drivers/media/radio/radio-typhoon.c
+++ b/linux/drivers/media/radio/radio-typhoon.c
@@ -34,38 +34,17 @@
 #include <linux/module.h>	/* Modules                        */
 #include <linux/init.h>		/* Initdata                       */
 #include <linux/ioport.h>	/* request_region		  */
-#include <linux/proc_fs.h>	/* radio card status report	  */
-#include <linux/seq_file.h>
-#include <asm/io.h>		/* outb, outb_p                   */
-#include <asm/uaccess.h>	/* copy to/from user              */
-#include "compat.h"
+#include <linux/version.h>      /* for KERNEL_VERSION MACRO     */
 #include <linux/videodev2.h>	/* kernel radio structs           */
-#include <media/v4l2-common.h>
+#include <linux/io.h>		/* outb, outb_p                   */
+#include <linux/uaccess.h>	/* copy to/from user              */
+#include <media/v4l2-device.h>
 #include <media/v4l2-ioctl.h>
+#include "compat.h"
 
-#include <linux/version.h>      /* for KERNEL_VERSION MACRO     */
-#define RADIO_VERSION KERNEL_VERSION(0,1,1)
-#define BANNER "Typhoon Radio Card driver v0.1.1\n"
-
-static struct v4l2_queryctrl radio_qctrl[] = {
-	{
-		.id            = V4L2_CID_AUDIO_MUTE,
-		.name          = "Mute",
-		.minimum       = 0,
-		.maximum       = 1,
-		.default_value = 1,
-		.type          = V4L2_CTRL_TYPE_BOOLEAN,
-	},{
-		.id            = V4L2_CID_AUDIO_VOLUME,
-		.name          = "Volume",
-		.minimum       = 0,
-		.maximum       = 65535,
-		.step          = 1<<14,
-		.default_value = 0xff,
-		.type          = V4L2_CTRL_TYPE_INTEGER,
-	}
-};
-
+MODULE_AUTHOR("Dr. Henrik Seidel");
+MODULE_DESCRIPTION("A driver for the Typhoon radio card (a.k.a. EcoRadio).");
+MODULE_LICENSE("GPL");
 
 #ifndef CONFIG_RADIO_TYPHOON_PORT
 #define CONFIG_RADIO_TYPHOON_PORT -1
@@ -75,13 +54,26 @@ static struct v4l2_queryctrl radio_qctrl[] = {
 #define CONFIG_RADIO_TYPHOON_MUTEFREQ 0
 #endif
 
-#ifndef CONFIG_PROC_FS
-#undef CONFIG_RADIO_TYPHOON_PROC_FS
-#endif
+static int io = CONFIG_RADIO_TYPHOON_PORT;
+static int radio_nr = -1;
+
+module_param(io, int, 0);
+MODULE_PARM_DESC(io, "I/O address of the Typhoon card (0x316 or 0x336)");
+
+module_param(radio_nr, int, 0);
+
+static unsigned long mutefreq = CONFIG_RADIO_TYPHOON_MUTEFREQ;
+module_param(mutefreq, ulong, 0);
+MODULE_PARM_DESC(mutefreq, "Frequency used when muting the card (in kHz)");
+
+#define RADIO_VERSION KERNEL_VERSION(0, 1, 1)
+
+#define BANNER "Typhoon Radio Card driver v0.1.1\n"
 
-struct typhoon_device {
-	unsigned long in_use;
-	int iobase;
+struct typhoon {
+	struct v4l2_device v4l2_dev;
+	struct video_device vdev;
+	int io;
 	int curvol;
 	int muted;
 	unsigned long curfreq;
@@ -89,25 +81,19 @@ struct typhoon_device {
 	struct mutex lock;
 };
 
-static void typhoon_setvol_generic(struct typhoon_device *dev, int vol);
-static int typhoon_setfreq_generic(struct typhoon_device *dev,
-				   unsigned long frequency);
-static int typhoon_setfreq(struct typhoon_device *dev, unsigned long frequency);
-static void typhoon_mute(struct typhoon_device *dev);
-static void typhoon_unmute(struct typhoon_device *dev);
-static int typhoon_setvol(struct typhoon_device *dev, int vol);
+static struct typhoon typhoon_card;
 
-static void typhoon_setvol_generic(struct typhoon_device *dev, int vol)
+static void typhoon_setvol_generic(struct typhoon *dev, int vol)
 {
 	mutex_lock(&dev->lock);
 	vol >>= 14;				/* Map 16 bit to 2 bit */
 	vol &= 3;
-	outb_p(vol / 2, dev->iobase);		/* Set the volume, high bit. */
-	outb_p(vol % 2, dev->iobase + 2);	/* Set the volume, low bit. */
+	outb_p(vol / 2, dev->io);		/* Set the volume, high bit. */
+	outb_p(vol % 2, dev->io + 2);	/* Set the volume, low bit. */
 	mutex_unlock(&dev->lock);
 }
 
-static int typhoon_setfreq_generic(struct typhoon_device *dev,
+static int typhoon_setfreq_generic(struct typhoon *dev,
 				   unsigned long frequency)
 {
 	unsigned long outval;
@@ -131,22 +117,22 @@ static int typhoon_setfreq_generic(struct typhoon_device *dev,
 	outval -= (10 * x * x + 10433) / 20866;
 	outval += 4 * x - 11505;
 
-	outb_p((outval >> 8) & 0x01, dev->iobase + 4);
-	outb_p(outval >> 9, dev->iobase + 6);
-	outb_p(outval & 0xff, dev->iobase + 8);
+	outb_p((outval >> 8) & 0x01, dev->io + 4);
+	outb_p(outval >> 9, dev->io + 6);
+	outb_p(outval & 0xff, dev->io + 8);
 	mutex_unlock(&dev->lock);
 
 	return 0;
 }
 
-static int typhoon_setfreq(struct typhoon_device *dev, unsigned long frequency)
+static int typhoon_setfreq(struct typhoon *dev, unsigned long frequency)
 {
 	typhoon_setfreq_generic(dev, frequency);
 	dev->curfreq = frequency;
 	return 0;
 }
 
-static void typhoon_mute(struct typhoon_device *dev)
+static void typhoon_mute(struct typhoon *dev)
 {
 	if (dev->muted == 1)
 		return;
@@ -155,7 +141,7 @@ static void typhoon_mute(struct typhoon_device *dev)
 	dev->muted = 1;
 }
 
-static void typhoon_unmute(struct typhoon_device *dev)
+static void typhoon_unmute(struct typhoon *dev)
 {
 	if (dev->muted == 0)
 		return;
@@ -164,7 +150,7 @@ static void typhoon_unmute(struct typhoon_device *dev)
 	dev->muted = 0;
 }
 
-static int typhoon_setvol(struct typhoon_device *dev, int vol)
+static int typhoon_setvol(struct typhoon *dev, int vol)
 {
 	if (dev->muted && vol != 0) {	/* user is unmuting the card */
 		dev->curvol = vol;
@@ -189,9 +175,9 @@ static int vidioc_querycap(struct file *file, void  *priv,
 {
 	strlcpy(v->driver, "radio-typhoon", sizeof(v->driver));
 	strlcpy(v->card, "Typhoon Radio", sizeof(v->card));
-	sprintf(v->bus_info, "ISA");
+	strlcpy(v->bus_info, "ISA", sizeof(v->bus_info));
 	v->version = RADIO_VERSION;
-	v->capabilities = V4L2_CAP_TUNER;
+	v->capabilities = V4L2_CAP_TUNER | V4L2_CAP_RADIO;
 	return 0;
 }
 
@@ -201,10 +187,10 @@ static int vidioc_g_tuner(struct file *file, void *priv,
 	if (v->index > 0)
 		return -EINVAL;
 
-	strcpy(v->name, "FM");
+	strlcpy(v->name, "FM", sizeof(v->name));
 	v->type = V4L2_TUNER_RADIO;
-	v->rangelow = (87.5*16000);
-	v->rangehigh = (108*16000);
+	v->rangelow = 87.5 * 16000;
+	v->rangehigh = 108 * 16000;
 	v->rxsubchans = V4L2_TUNER_SUB_MONO;
 	v->capability = V4L2_TUNER_CAP_LOW;
 	v->audmode = V4L2_TUNER_MODE_MONO;
@@ -215,44 +201,37 @@ static int vidioc_g_tuner(struct file *file, void *priv,
 static int vidioc_s_tuner(struct file *file, void *priv,
 					struct v4l2_tuner *v)
 {
-	if (v->index > 0)
-		return -EINVAL;
-
-	return 0;
+	return v->index ? -EINVAL : 0;
 }
 
-static int vidioc_s_frequency(struct file *file, void *priv,
+static int vidioc_g_frequency(struct file *file, void *priv,
 					struct v4l2_frequency *f)
 {
-	struct typhoon_device *typhoon = video_drvdata(file);
+	struct typhoon *dev = video_drvdata(file);
 
-	typhoon->curfreq = f->frequency;
-	typhoon_setfreq(typhoon, typhoon->curfreq);
+	f->type = V4L2_TUNER_RADIO;
+	f->frequency = dev->curfreq;
 	return 0;
 }
 
-static int vidioc_g_frequency(struct file *file, void *priv,
+static int vidioc_s_frequency(struct file *file, void *priv,
 					struct v4l2_frequency *f)
 {
-	struct typhoon_device *typhoon = video_drvdata(file);
-
-	f->type = V4L2_TUNER_RADIO;
-	f->frequency = typhoon->curfreq;
+	struct typhoon *dev = video_drvdata(file);
 
+	dev->curfreq = f->frequency;
+	typhoon_setfreq(dev, dev->curfreq);
 	return 0;
 }
 
 static int vidioc_queryctrl(struct file *file, void *priv,
 					struct v4l2_queryctrl *qc)
 {
-	int i;
-
-	for (i = 0; i < ARRAY_SIZE(radio_qctrl); i++) {
-		if (qc->id && qc->id == radio_qctrl[i].id) {
-			memcpy(qc, &(radio_qctrl[i]),
-						sizeof(*qc));
-			return 0;
-		}
+	switch (qc->id) {
+	case V4L2_CID_AUDIO_MUTE:
+		return v4l2_ctrl_query_fill(qc, 0, 1, 1, 1);
+	case V4L2_CID_AUDIO_VOLUME:
+		return v4l2_ctrl_query_fill(qc, 0, 65535, 16384, 65535);
 	}
 	return -EINVAL;
 }
@@ -260,14 +239,14 @@ static int vidioc_queryctrl(struct file *file, void *priv,
 static int vidioc_g_ctrl(struct file *file, void *priv,
 					struct v4l2_control *ctrl)
 {
-	struct typhoon_device *typhoon = video_drvdata(file);
+	struct typhoon *dev = video_drvdata(file);
 
 	switch (ctrl->id) {
 	case V4L2_CID_AUDIO_MUTE:
-		ctrl->value = typhoon->muted;
+		ctrl->value = dev->muted;
 		return 0;
 	case V4L2_CID_AUDIO_VOLUME:
-		ctrl->value = typhoon->curvol;
+		ctrl->value = dev->curvol;
 		return 0;
 	}
 	return -EINVAL;
@@ -276,33 +255,22 @@ static int vidioc_g_ctrl(struct file *file, void *priv,
 static int vidioc_s_ctrl (struct file *file, void *priv,
 					struct v4l2_control *ctrl)
 {
-	struct typhoon_device *typhoon = video_drvdata(file);
+	struct typhoon *dev = video_drvdata(file);
 
 	switch (ctrl->id) {
 	case V4L2_CID_AUDIO_MUTE:
 		if (ctrl->value)
-			typhoon_mute(typhoon);
+			typhoon_mute(dev);
 		else
-			typhoon_unmute(typhoon);
+			typhoon_unmute(dev);
 		return 0;
 	case V4L2_CID_AUDIO_VOLUME:
-		typhoon_setvol(typhoon, ctrl->value);
+		typhoon_setvol(dev, ctrl->value);
 		return 0;
 	}
 	return -EINVAL;
 }
 
-static int vidioc_g_audio(struct file *file, void *priv,
-					struct v4l2_audio *a)
-{
-	if (a->index > 1)
-		return -EINVAL;
-
-	strcpy(a->name, "Radio");
-	a->capability = V4L2_AUDCAP_STEREO;
-	return 0;
-}
-
 static int vidioc_g_input(struct file *filp, void *priv, unsigned int *i)
 {
 	*i = 0;
@@ -311,45 +279,62 @@ static int vidioc_g_input(struct file *filp, void *priv, unsigned int *i)
 
 static int vidioc_s_input(struct file *filp, void *priv, unsigned int i)
 {
-	if (i != 0)
-		return -EINVAL;
+	return i ? -EINVAL : 0;
+}
+
+static int vidioc_g_audio(struct file *file, void *priv,
+					struct v4l2_audio *a)
+{
+	a->index = 0;
+	strlcpy(a->name, "Radio", sizeof(a->name));
+	a->capability = V4L2_AUDCAP_STEREO;
 	return 0;
 }
 
 static int vidioc_s_audio(struct file *file, void *priv,
 					struct v4l2_audio *a)
 {
-	if (a->index != 0)
-		return -EINVAL;
-	return 0;
+	return a->index ? -EINVAL : 0;
 }
 
-static struct typhoon_device typhoon_unit =
+static int vidioc_log_status(struct file *file, void *priv)
 {
-	.iobase		= CONFIG_RADIO_TYPHOON_PORT,
-	.curfreq	= CONFIG_RADIO_TYPHOON_MUTEFREQ,
-	.mutefreq	= CONFIG_RADIO_TYPHOON_MUTEFREQ,
-};
+	struct typhoon *dev = video_drvdata(file);
+	struct v4l2_device *v4l2_dev = &dev->v4l2_dev;
+
+	v4l2_info(v4l2_dev, BANNER);
+#ifdef MODULE
+	v4l2_info(v4l2_dev, "Load type: Driver loaded as a module\n\n");
+#else
+	v4l2_info(v4l2_dev, "Load type: Driver compiled into kernel\n\n");
+#endif
+	v4l2_info(v4l2_dev, "frequency = %lu kHz\n", dev->curfreq >> 4);
+	v4l2_info(v4l2_dev, "volume = %d\n", dev->curvol);
+	v4l2_info(v4l2_dev, "mute = %s\n", dev->muted ?  "on" : "off");
+	v4l2_info(v4l2_dev, "io = 0x%x\n", dev->io);
+	v4l2_info(v4l2_dev, "mute frequency = %lu kHz\n", dev->mutefreq >> 4);
+	return 0;
+}
 
-static int typhoon_exclusive_open(struct file *file)
+static int typhoon_open(struct file *file)
 {
-	return test_and_set_bit(0, &typhoon_unit.in_use) ? -EBUSY : 0;
+	return 0;
 }
 
-static int typhoon_exclusive_release(struct file *file)
+static int typhoon_release(struct file *file)
 {
-	clear_bit(0, &typhoon_unit.in_use);
 	return 0;
 }
 
 static const struct v4l2_file_operations typhoon_fops = {
 	.owner		= THIS_MODULE,
-	.open           = typhoon_exclusive_open,
-	.release        = typhoon_exclusive_release,
+	.open           = typhoon_open,
+	.release        = typhoon_release,
 	.ioctl		= video_ioctl2,
 };
 
 static const struct v4l2_ioctl_ops typhoon_ioctl_ops = {
+	.vidioc_log_status  = vidioc_log_status,
 	.vidioc_querycap    = vidioc_querycap,
 	.vidioc_g_tuner     = vidioc_g_tuner,
 	.vidioc_s_tuner     = vidioc_s_tuner,
@@ -364,125 +349,72 @@ static const struct v4l2_ioctl_ops typhoon_ioctl_ops = {
 	.vidioc_s_ctrl      = vidioc_s_ctrl,
 };
 
-static struct video_device typhoon_radio = {
-	.name		= "Typhoon Radio",
-	.fops           = &typhoon_fops,
-	.ioctl_ops 	= &typhoon_ioctl_ops,
-	.release	= video_device_release_empty,
-};
-
-#ifdef CONFIG_RADIO_TYPHOON_PROC_FS
-
-static int typhoon_proc_show(struct seq_file *m, void *v)
-{
-	#ifdef MODULE
-	    #define MODULEPROCSTRING "Driver loaded as a module"
-	#else
-	    #define MODULEPROCSTRING "Driver compiled into kernel"
-	#endif
-
-	seq_puts(m, BANNER);
-	seq_puts(m, "Load type: " MODULEPROCSTRING "\n\n");
-	seq_printf(m, "frequency = %lu kHz\n",
-		typhoon_unit.curfreq >> 4);
-	seq_printf(m, "volume = %d\n", typhoon_unit.curvol);
-	seq_printf(m, "mute = %s\n", typhoon_unit.muted ?
-		"on" : "off");
-	seq_printf(m, "iobase = 0x%x\n", typhoon_unit.iobase);
-	seq_printf(m, "mute frequency = %lu kHz\n",
-		typhoon_unit.mutefreq >> 4);
-	return 0;
-}
-
-static int typhoon_proc_open(struct inode *inode, struct file *file)
+static int __init typhoon_init(void)
 {
-	return single_open(file, typhoon_proc_show, NULL);
-}
+	struct typhoon *dev = &typhoon_card;
+	struct v4l2_device *v4l2_dev = &dev->v4l2_dev;
+	int res;
 
-static const struct file_operations typhoon_proc_fops = {
-	.owner		= THIS_MODULE,
-	.open		= typhoon_proc_open,
-	.read		= seq_read,
-	.llseek		= seq_lseek,
-	.release	= single_release,
-};
-#endif /* CONFIG_RADIO_TYPHOON_PROC_FS */
+	strlcpy(v4l2_dev->name, "typhoon", sizeof(v4l2_dev->name));
+	dev->io = io;
+	dev->curfreq = dev->mutefreq = mutefreq;
 
-MODULE_AUTHOR("Dr. Henrik Seidel");
-MODULE_DESCRIPTION("A driver for the Typhoon radio card (a.k.a. EcoRadio).");
-MODULE_LICENSE("GPL");
-
-static int io = -1;
-static int radio_nr = -1;
-
-module_param(io, int, 0);
-MODULE_PARM_DESC(io, "I/O address of the Typhoon card (0x316 or 0x336)");
-module_param(radio_nr, int, 0);
-
-#ifdef MODULE
-static unsigned long mutefreq;
-module_param(mutefreq, ulong, 0);
-MODULE_PARM_DESC(mutefreq, "Frequency used when muting the card (in kHz)");
-#endif
-
-static int __init typhoon_init(void)
-{
-#ifdef MODULE
-	if (io == -1) {
-		printk(KERN_ERR "radio-typhoon: You must set an I/O address with io=0x316 or io=0x336\n");
+	if (dev->io == -1) {
+		v4l2_err(v4l2_dev, "You must set an I/O address with io=0x316 or io=0x336\n");
 		return -EINVAL;
 	}
-	typhoon_unit.iobase = io;
 
-	if (mutefreq < 87000 || mutefreq > 108500) {
-		printk(KERN_ERR "radio-typhoon: You must set a frequency (in kHz) used when muting the card,\n");
-		printk(KERN_ERR "radio-typhoon: e.g. with \"mutefreq=87500\" (87000 <= mutefreq <= 108500)\n");
+	if (dev->mutefreq < 87000 || dev->mutefreq > 108500) {
+		v4l2_err(v4l2_dev, "You must set a frequency (in kHz) used when muting the card,\n");
+		v4l2_err(v4l2_dev, "e.g. with \"mutefreq=87500\" (87000 <= mutefreq <= 108500)\n");
 		return -EINVAL;
 	}
-	typhoon_unit.mutefreq = mutefreq;
-#endif /* MODULE */
-
-	printk(KERN_INFO BANNER);
-	mutex_init(&typhoon_unit.lock);
-	io = typhoon_unit.iobase;
-	if (!request_region(io, 8, "typhoon")) {
-		printk(KERN_ERR "radio-typhoon: port 0x%x already in use\n",
-		       typhoon_unit.iobase);
+
+	mutex_init(&dev->lock);
+	if (!request_region(dev->io, 8, "typhoon")) {
+		v4l2_err(v4l2_dev, "port 0x%x already in use\n",
+		       dev->io);
 		return -EBUSY;
 	}
 
-	video_set_drvdata(&typhoon_radio, &typhoon_unit);
-	if (video_register_device(&typhoon_radio, VFL_TYPE_RADIO, radio_nr) < 0) {
-		release_region(io, 8);
+	res = v4l2_device_register(NULL, v4l2_dev);
+	if (res < 0) {
+		release_region(dev->io, 8);
+		v4l2_err(v4l2_dev, "Could not register v4l2_device\n");
+		return res;
+	}
+	v4l2_info(v4l2_dev, BANNER);
+
+	strlcpy(dev->vdev.name, v4l2_dev->name, sizeof(dev->vdev.name));
+	dev->vdev.v4l2_dev = v4l2_dev;
+	dev->vdev.fops = &typhoon_fops;
+	dev->vdev.ioctl_ops = &typhoon_ioctl_ops;
+	dev->vdev.release = video_device_release_empty;
+	video_set_drvdata(&dev->vdev, dev);
+	if (video_register_device(&dev->vdev, VFL_TYPE_RADIO, radio_nr) < 0) {
+		v4l2_device_unregister(&dev->v4l2_dev);
+		release_region(dev->io, 8);
 		return -EINVAL;
 	}
-	printk(KERN_INFO "radio-typhoon: port 0x%x.\n", typhoon_unit.iobase);
-	printk(KERN_INFO "radio-typhoon: mute frequency is %lu kHz.\n",
-	       typhoon_unit.mutefreq);
-	typhoon_unit.mutefreq <<= 4;
+	v4l2_info(v4l2_dev, "port 0x%x.\n", dev->io);
+	v4l2_info(v4l2_dev, "mute frequency is %lu kHz.\n", dev->mutefreq);
+	dev->mutefreq <<= 4;
 
 	/* mute card - prevents noisy bootups */
-	typhoon_mute(&typhoon_unit);
-
-#ifdef CONFIG_RADIO_TYPHOON_PROC_FS
-	if (!proc_create("driver/radio-typhoon", 0, NULL, &typhoon_proc_fops))
-		printk(KERN_ERR "radio-typhoon: registering /proc/driver/radio-typhoon failed\n");
-#endif
+	typhoon_mute(dev);
 
 	return 0;
 }
 
-static void __exit typhoon_cleanup_module(void)
+static void __exit typhoon_exit(void)
 {
+	struct typhoon *dev = &typhoon_card;
 
-#ifdef CONFIG_RADIO_TYPHOON_PROC_FS
-	remove_proc_entry("driver/radio-typhoon", NULL);
-#endif
-
-	video_unregister_device(&typhoon_radio);
-	release_region(io, 8);
+	video_unregister_device(&dev->vdev);
+	v4l2_device_unregister(&dev->v4l2_dev);
+	release_region(dev->io, 8);
 }
 
 module_init(typhoon_init);
-module_exit(typhoon_cleanup_module);
+module_exit(typhoon_exit);
 
diff --git a/linux/drivers/media/radio/radio-zoltrix.c b/linux/drivers/media/radio/radio-zoltrix.c
index 4654ecd8b..3662f68da 100644
--- a/linux/drivers/media/radio/radio-zoltrix.c
+++ b/linux/drivers/media/radio/radio-zoltrix.c
@@ -33,34 +33,18 @@
 #include <linux/init.h>		/* Initdata                       */
 #include <linux/ioport.h>	/* request_region		  */
 #include <linux/delay.h>	/* udelay, msleep                 */
-#include <asm/io.h>		/* outb, outb_p                   */
-#include <asm/uaccess.h>	/* copy to/from user              */
-#include "compat.h"
 #include <linux/videodev2.h>	/* kernel radio structs           */
-#include <media/v4l2-common.h>
+#include <linux/mutex.h>
+#include <linux/version.h>      /* for KERNEL_VERSION MACRO     */
+#include <linux/io.h>		/* outb, outb_p                   */
+#include <linux/uaccess.h>	/* copy to/from user              */
+#include <media/v4l2-device.h>
 #include <media/v4l2-ioctl.h>
+#include "compat.h"
 
-#include <linux/version.h>      /* for KERNEL_VERSION MACRO     */
-#define RADIO_VERSION KERNEL_VERSION(0,0,2)
-
-static struct v4l2_queryctrl radio_qctrl[] = {
-	{
-		.id            = V4L2_CID_AUDIO_MUTE,
-		.name          = "Mute",
-		.minimum       = 0,
-		.maximum       = 1,
-		.default_value = 1,
-		.type          = V4L2_CTRL_TYPE_BOOLEAN,
-	},{
-		.id            = V4L2_CID_AUDIO_VOLUME,
-		.name          = "Volume",
-		.minimum       = 0,
-		.maximum       = 65535,
-		.step          = 4096,
-		.default_value = 0xff,
-		.type          = V4L2_CTRL_TYPE_INTEGER,
-	}
-};
+MODULE_AUTHOR("C.van Schaik");
+MODULE_DESCRIPTION("A driver for the Zoltrix Radio Plus.");
+MODULE_LICENSE("GPL");
 
 #ifndef CONFIG_RADIO_ZOLTRIX_PORT
 #define CONFIG_RADIO_ZOLTRIX_PORT -1
@@ -69,9 +53,16 @@ static struct v4l2_queryctrl radio_qctrl[] = {
 static int io = CONFIG_RADIO_ZOLTRIX_PORT;
 static int radio_nr = -1;
 
-struct zol_device {
-	unsigned long in_use;
-	int port;
+module_param(io, int, 0);
+MODULE_PARM_DESC(io, "I/O address of the Zoltrix Radio Plus (0x20c or 0x30c)");
+module_param(radio_nr, int, 0);
+
+#define RADIO_VERSION KERNEL_VERSION(0, 0, 2)
+
+struct zoltrix {
+	struct v4l2_device v4l2_dev;
+	struct video_device vdev;
+	int io;
 	int curvol;
 	unsigned long curfreq;
 	int muted;
@@ -79,161 +70,158 @@ struct zol_device {
 	struct mutex lock;
 };
 
-static int zol_setvol(struct zol_device *dev, int vol)
+static struct zoltrix zoltrix_card;
+
+static int zol_setvol(struct zoltrix *zol, int vol)
 {
-	dev->curvol = vol;
-	if (dev->muted)
+	zol->curvol = vol;
+	if (zol->muted)
 		return 0;
 
-	mutex_lock(&dev->lock);
+	mutex_lock(&zol->lock);
 	if (vol == 0) {
-		outb(0, io);
-		outb(0, io);
-		inb(io + 3);    /* Zoltrix needs to be read to confirm */
-		mutex_unlock(&dev->lock);
+		outb(0, zol->io);
+		outb(0, zol->io);
+		inb(zol->io + 3);    /* Zoltrix needs to be read to confirm */
+		mutex_unlock(&zol->lock);
 		return 0;
 	}
 
-	outb(dev->curvol-1, io);
+	outb(zol->curvol-1, zol->io);
 	msleep(10);
-	inb(io + 2);
-	mutex_unlock(&dev->lock);
+	inb(zol->io + 2);
+	mutex_unlock(&zol->lock);
 	return 0;
 }
 
-static void zol_mute(struct zol_device *dev)
+static void zol_mute(struct zoltrix *zol)
 {
-	dev->muted = 1;
-	mutex_lock(&dev->lock);
-	outb(0, io);
-	outb(0, io);
-	inb(io + 3);            /* Zoltrix needs to be read to confirm */
-	mutex_unlock(&dev->lock);
+	zol->muted = 1;
+	mutex_lock(&zol->lock);
+	outb(0, zol->io);
+	outb(0, zol->io);
+	inb(zol->io + 3);            /* Zoltrix needs to be read to confirm */
+	mutex_unlock(&zol->lock);
 }
 
-static void zol_unmute(struct zol_device *dev)
+static void zol_unmute(struct zoltrix *zol)
 {
-	dev->muted = 0;
-	zol_setvol(dev, dev->curvol);
+	zol->muted = 0;
+	zol_setvol(zol, zol->curvol);
 }
 
-static int zol_setfreq(struct zol_device *dev, unsigned long freq)
+static int zol_setfreq(struct zoltrix *zol, unsigned long freq)
 {
 	/* tunes the radio to the desired frequency */
+	struct v4l2_device *v4l2_dev = &zol->v4l2_dev;
 	unsigned long long bitmask, f, m;
-	unsigned int stereo = dev->stereo;
+	unsigned int stereo = zol->stereo;
 	int i;
 
 	if (freq == 0) {
-		printk(KERN_WARNING "zoltrix: received zero freq. Failed to set.\n");
+		v4l2_warn(v4l2_dev, "cannot set a frequency of 0.\n");
 		return -EINVAL;
 	}
 
 	m = (freq / 160 - 8800) * 2;
-	f = (unsigned long long) m + 0x4d1c;
+	f = (unsigned long long)m + 0x4d1c;
 
 	bitmask = 0xc480402c10080000ull;
 	i = 45;
 
-	mutex_lock(&dev->lock);
+	mutex_lock(&zol->lock);
 
-	outb(0, io);
-	outb(0, io);
-	inb(io + 3);            /* Zoltrix needs to be read to confirm */
+	zol->curfreq = freq;
 
-	outb(0x40, io);
-	outb(0xc0, io);
+	outb(0, zol->io);
+	outb(0, zol->io);
+	inb(zol->io + 3);            /* Zoltrix needs to be read to confirm */
 
-	bitmask = (bitmask ^ ((f & 0xff) << 47) ^ ((f & 0xff00) << 30) ^ ( stereo << 31));
+	outb(0x40, zol->io);
+	outb(0xc0, zol->io);
+
+	bitmask = (bitmask ^ ((f & 0xff) << 47) ^ ((f & 0xff00) << 30) ^ (stereo << 31));
 	while (i--) {
 		if ((bitmask & 0x8000000000000000ull) != 0) {
-			outb(0x80, io);
+			outb(0x80, zol->io);
 			udelay(50);
-			outb(0x00, io);
+			outb(0x00, zol->io);
 			udelay(50);
-			outb(0x80, io);
+			outb(0x80, zol->io);
 			udelay(50);
 		} else {
-			outb(0xc0, io);
+			outb(0xc0, zol->io);
 			udelay(50);
-			outb(0x40, io);
+			outb(0x40, zol->io);
 			udelay(50);
-			outb(0xc0, io);
+			outb(0xc0, zol->io);
 			udelay(50);
 		}
 		bitmask *= 2;
 	}
 	/* termination sequence */
-	outb(0x80, io);
-	outb(0xc0, io);
-	outb(0x40, io);
+	outb(0x80, zol->io);
+	outb(0xc0, zol->io);
+	outb(0x40, zol->io);
 	udelay(1000);
-	inb(io+2);
+	inb(zol->io + 2);
 
 	udelay(1000);
 
-	if (dev->muted)
-	{
-		outb(0, io);
-		outb(0, io);
-		inb(io + 3);
+	if (zol->muted) {
+		outb(0, zol->io);
+		outb(0, zol->io);
+		inb(zol->io + 3);
 		udelay(1000);
 	}
 
-	mutex_unlock(&dev->lock);
+	mutex_unlock(&zol->lock);
 
-	if(!dev->muted)
-	{
-		zol_setvol(dev, dev->curvol);
-	}
+	if (!zol->muted)
+		zol_setvol(zol, zol->curvol);
 	return 0;
 }
 
 /* Get signal strength */
-
-static int zol_getsigstr(struct zol_device *dev)
+static int zol_getsigstr(struct zoltrix *zol)
 {
 	int a, b;
 
-	mutex_lock(&dev->lock);
-	outb(0x00, io);         /* This stuff I found to do nothing */
-	outb(dev->curvol, io);
+	mutex_lock(&zol->lock);
+	outb(0x00, zol->io);         /* This stuff I found to do nothing */
+	outb(zol->curvol, zol->io);
 	msleep(20);
 
-	a = inb(io);
+	a = inb(zol->io);
 	msleep(10);
-	b = inb(io);
+	b = inb(zol->io);
 
-	mutex_unlock(&dev->lock);
+	mutex_unlock(&zol->lock);
 
 	if (a != b)
-		return (0);
+		return 0;
 
-	if ((a == 0xcf) || (a == 0xdf)  /* I found this out by playing */
-		|| (a == 0xef))       /* with a binary scanner on the card io */
-		return (1);
-	return (0);
+	/* I found this out by playing with a binary scanner on the card io */
+	return a == 0xcf || a == 0xdf || a == 0xef;
 }
 
-static int zol_is_stereo (struct zol_device *dev)
+static int zol_is_stereo(struct zoltrix *zol)
 {
 	int x1, x2;
 
-	mutex_lock(&dev->lock);
+	mutex_lock(&zol->lock);
 
-	outb(0x00, io);
-	outb(dev->curvol, io);
+	outb(0x00, zol->io);
+	outb(zol->curvol, zol->io);
 	msleep(20);
 
-	x1 = inb(io);
+	x1 = inb(zol->io);
 	msleep(10);
-	x2 = inb(io);
+	x2 = inb(zol->io);
 
-	mutex_unlock(&dev->lock);
+	mutex_unlock(&zol->lock);
 
-	if ((x1 == x2) && (x1 == 0xcf))
-		return 1;
-	return 0;
+	return x1 == x2 && x1 == 0xcf;
 }
 
 static int vidioc_querycap(struct file *file, void  *priv,
@@ -241,59 +229,54 @@ static int vidioc_querycap(struct file *file, void  *priv,
 {
 	strlcpy(v->driver, "radio-zoltrix", sizeof(v->driver));
 	strlcpy(v->card, "Zoltrix Radio", sizeof(v->card));
-	sprintf(v->bus_info, "ISA");
+	strlcpy(v->bus_info, "ISA", sizeof(v->bus_info));
 	v->version = RADIO_VERSION;
-	v->capabilities = V4L2_CAP_TUNER;
+	v->capabilities = V4L2_CAP_TUNER | V4L2_CAP_RADIO;
 	return 0;
 }
 
 static int vidioc_g_tuner(struct file *file, void *priv,
 					struct v4l2_tuner *v)
 {
-	struct zol_device *zol = video_drvdata(file);
+	struct zoltrix *zol = video_drvdata(file);
 
 	if (v->index > 0)
 		return -EINVAL;
 
-	strcpy(v->name, "FM");
+	strlcpy(v->name, "FM", sizeof(v->name));
 	v->type = V4L2_TUNER_RADIO;
-	v->rangelow = (88*16000);
-	v->rangehigh = (108*16000);
-	v->rxsubchans = V4L2_TUNER_SUB_MONO|V4L2_TUNER_SUB_STEREO;
+	v->rangelow = 88 * 16000;
+	v->rangehigh = 108 * 16000;
+	v->rxsubchans = V4L2_TUNER_SUB_MONO | V4L2_TUNER_SUB_STEREO;
 	v->capability = V4L2_TUNER_CAP_LOW;
 	if (zol_is_stereo(zol))
 		v->audmode = V4L2_TUNER_MODE_STEREO;
 	else
 		v->audmode = V4L2_TUNER_MODE_MONO;
-	v->signal = 0xFFFF*zol_getsigstr(zol);
+	v->signal = 0xFFFF * zol_getsigstr(zol);
 	return 0;
 }
 
 static int vidioc_s_tuner(struct file *file, void *priv,
 					struct v4l2_tuner *v)
 {
-	if (v->index > 0)
-		return -EINVAL;
-	return 0;
+	return v->index ? -EINVAL : 0;
 }
 
 static int vidioc_s_frequency(struct file *file, void *priv,
 					struct v4l2_frequency *f)
 {
-	struct zol_device *zol = video_drvdata(file);
+	struct zoltrix *zol = video_drvdata(file);
 
-	zol->curfreq = f->frequency;
-	if (zol_setfreq(zol, zol->curfreq) != 0) {
-		printk(KERN_WARNING "zoltrix: Set frequency failed.\n");
+	if (zol_setfreq(zol, f->frequency) != 0)
 		return -EINVAL;
-	}
 	return 0;
 }
 
 static int vidioc_g_frequency(struct file *file, void *priv,
 					struct v4l2_frequency *f)
 {
-	struct zol_device *zol = video_drvdata(file);
+	struct zoltrix *zol = video_drvdata(file);
 
 	f->type = V4L2_TUNER_RADIO;
 	f->frequency = zol->curfreq;
@@ -303,14 +286,11 @@ static int vidioc_g_frequency(struct file *file, void *priv,
 static int vidioc_queryctrl(struct file *file, void *priv,
 					struct v4l2_queryctrl *qc)
 {
-	int i;
-
-	for (i = 0; i < ARRAY_SIZE(radio_qctrl); i++) {
-		if (qc->id && qc->id == radio_qctrl[i].id) {
-			memcpy(qc, &(radio_qctrl[i]),
-						sizeof(*qc));
-			return 0;
-		}
+	switch (qc->id) {
+	case V4L2_CID_AUDIO_MUTE:
+		return v4l2_ctrl_query_fill(qc, 0, 1, 1, 1);
+	case V4L2_CID_AUDIO_VOLUME:
+		return v4l2_ctrl_query_fill(qc, 0, 65535, 4096, 65535);
 	}
 	return -EINVAL;
 }
@@ -318,7 +298,7 @@ static int vidioc_queryctrl(struct file *file, void *priv,
 static int vidioc_g_ctrl(struct file *file, void *priv,
 				struct v4l2_control *ctrl)
 {
-	struct zol_device *zol = video_drvdata(file);
+	struct zoltrix *zol = video_drvdata(file);
 
 	switch (ctrl->id) {
 	case V4L2_CID_AUDIO_MUTE:
@@ -334,7 +314,7 @@ static int vidioc_g_ctrl(struct file *file, void *priv,
 static int vidioc_s_ctrl(struct file *file, void *priv,
 				struct v4l2_control *ctrl)
 {
-	struct zol_device *zol = video_drvdata(file);
+	struct zoltrix *zol = video_drvdata(file);
 
 	switch (ctrl->id) {
 	case V4L2_CID_AUDIO_MUTE:
@@ -342,43 +322,30 @@ static int vidioc_s_ctrl(struct file *file, void *priv,
 			zol_mute(zol);
 		else {
 			zol_unmute(zol);
-			zol_setvol(zol,zol->curvol);
+			zol_setvol(zol, zol->curvol);
 		}
 		return 0;
 	case V4L2_CID_AUDIO_VOLUME:
-		zol_setvol(zol,ctrl->value/4096);
+		zol_setvol(zol, ctrl->value / 4096);
 		return 0;
 	}
 	zol->stereo = 1;
-	if (zol_setfreq(zol, zol->curfreq) != 0) {
-		printk(KERN_WARNING "zoltrix: Set frequency failed.\n");
+	if (zol_setfreq(zol, zol->curfreq) != 0)
 		return -EINVAL;
-	}
 #if 0 /*keep*/
 /* FIXME: Implement stereo/mono switch on V4L2 */
-			if (v->mode & VIDEO_SOUND_STEREO) {
-				zol->stereo = 1;
-				zol_setfreq(zol, zol->curfreq);
-			}
-			if (v->mode & VIDEO_SOUND_MONO) {
-				zol->stereo = 0;
-				zol_setfreq(zol, zol->curfreq);
-			}
+	if (v->mode & VIDEO_SOUND_STEREO) {
+		zol->stereo = 1;
+		zol_setfreq(zol, zol->curfreq);
+	}
+	if (v->mode & VIDEO_SOUND_MONO) {
+		zol->stereo = 0;
+		zol_setfreq(zol, zol->curfreq);
+	}
 #endif
 	return -EINVAL;
 }
 
-static int vidioc_g_audio(struct file *file, void *priv,
-					struct v4l2_audio *a)
-{
-	if (a->index > 1)
-		return -EINVAL;
-
-	strcpy(a->name, "Radio");
-	a->capability = V4L2_AUDCAP_STEREO;
-	return 0;
-}
-
 static int vidioc_g_input(struct file *filp, void *priv, unsigned int *i)
 {
 	*i = 0;
@@ -387,37 +354,39 @@ static int vidioc_g_input(struct file *filp, void *priv, unsigned int *i)
 
 static int vidioc_s_input(struct file *filp, void *priv, unsigned int i)
 {
-	if (i != 0)
-		return -EINVAL;
-	return 0;
+	return i ? -EINVAL : 0;
 }
 
-static int vidioc_s_audio(struct file *file, void *priv,
+static int vidioc_g_audio(struct file *file, void *priv,
 					struct v4l2_audio *a)
 {
-	if (a->index != 0)
-		return -EINVAL;
+	a->index = 0;
+	strlcpy(a->name, "Radio", sizeof(a->name));
+	a->capability = V4L2_AUDCAP_STEREO;
 	return 0;
 }
 
-static struct zol_device zoltrix_unit;
+static int vidioc_s_audio(struct file *file, void *priv,
+					struct v4l2_audio *a)
+{
+	return a->index ? -EINVAL : 0;
+}
 
-static int zoltrix_exclusive_open(struct file *file)
+static int zoltrix_open(struct file *file)
 {
-	return test_and_set_bit(0, &zoltrix_unit.in_use) ? -EBUSY : 0;
+	return 0;
 }
 
-static int zoltrix_exclusive_release(struct file *file)
+static int zoltrix_release(struct file *file)
 {
-	clear_bit(0, &zoltrix_unit.in_use);
 	return 0;
 }
 
 static const struct v4l2_file_operations zoltrix_fops =
 {
 	.owner		= THIS_MODULE,
-	.open           = zoltrix_exclusive_open,
-	.release        = zoltrix_exclusive_release,
+	.open           = zoltrix_open,
+	.release        = zoltrix_release,
 	.ioctl		= video_ioctl2,
 };
 
@@ -436,67 +405,75 @@ static const struct v4l2_ioctl_ops zoltrix_ioctl_ops = {
 	.vidioc_s_ctrl      = vidioc_s_ctrl,
 };
 
-static struct video_device zoltrix_radio = {
-	.name		= "Zoltrix Radio Plus",
-	.fops           = &zoltrix_fops,
-	.ioctl_ops 	= &zoltrix_ioctl_ops,
-	.release	= video_device_release_empty,
-};
-
 static int __init zoltrix_init(void)
 {
-	if (io == -1) {
-		printk(KERN_ERR "You must set an I/O address with io=0x???\n");
+	struct zoltrix *zol = &zoltrix_card;
+	struct v4l2_device *v4l2_dev = &zol->v4l2_dev;
+	int res;
+
+	strlcpy(v4l2_dev->name, "zoltrix", sizeof(v4l2_dev->name));
+	zol->io = io;
+	if (zol->io == -1) {
+		v4l2_err(v4l2_dev, "You must set an I/O address with io=0x20c or 0x30c\n");
 		return -EINVAL;
 	}
-	if ((io != 0x20c) && (io != 0x30c)) {
-		printk(KERN_ERR "zoltrix: invalid port, try 0x20c or 0x30c\n");
+	if (zol->io != 0x20c && zol->io != 0x30c) {
+		v4l2_err(v4l2_dev, "invalid port, try 0x20c or 0x30c\n");
 		return -ENXIO;
 	}
 
-	video_set_drvdata(&zoltrix_radio, &zoltrix_unit);
-	if (!request_region(io, 2, "zoltrix")) {
-		printk(KERN_ERR "zoltrix: port 0x%x already in use\n", io);
+	if (!request_region(zol->io, 2, "zoltrix")) {
+		v4l2_err(v4l2_dev, "port 0x%x already in use\n", zol->io);
 		return -EBUSY;
 	}
 
-	if (video_register_device(&zoltrix_radio, VFL_TYPE_RADIO, radio_nr) < 0) {
-		release_region(io, 2);
+	res = v4l2_device_register(NULL, v4l2_dev);
+	if (res < 0) {
+		release_region(zol->io, 2);
+		v4l2_err(v4l2_dev, "Could not register v4l2_device\n");
+		return res;
+	}
+
+	strlcpy(zol->vdev.name, v4l2_dev->name, sizeof(zol->vdev.name));
+	zol->vdev.v4l2_dev = v4l2_dev;
+	zol->vdev.fops = &zoltrix_fops;
+	zol->vdev.ioctl_ops = &zoltrix_ioctl_ops;
+	zol->vdev.release = video_device_release_empty;
+	video_set_drvdata(&zol->vdev, zol);
+
+	if (video_register_device(&zol->vdev, VFL_TYPE_RADIO, radio_nr) < 0) {
+		v4l2_device_unregister(v4l2_dev);
+		release_region(zol->io, 2);
 		return -EINVAL;
 	}
-	printk(KERN_INFO "Zoltrix Radio Plus card driver.\n");
+	v4l2_info(v4l2_dev, "Zoltrix Radio Plus card driver.\n");
 
-	mutex_init(&zoltrix_unit.lock);
+	mutex_init(&zol->lock);
 
 	/* mute card - prevents noisy bootups */
 
 	/* this ensures that the volume is all the way down  */
 
-	outb(0, io);
-	outb(0, io);
+	outb(0, zol->io);
+	outb(0, zol->io);
 	msleep(20);
-	inb(io + 3);
+	inb(zol->io + 3);
 
-	zoltrix_unit.curvol = 0;
-	zoltrix_unit.stereo = 1;
+	zol->curvol = 0;
+	zol->stereo = 1;
 
 	return 0;
 }
 
-MODULE_AUTHOR("C.van Schaik");
-MODULE_DESCRIPTION("A driver for the Zoltrix Radio Plus.");
-MODULE_LICENSE("GPL");
-
-module_param(io, int, 0);
-MODULE_PARM_DESC(io, "I/O address of the Zoltrix Radio Plus (0x20c or 0x30c)");
-module_param(radio_nr, int, 0);
-
-static void __exit zoltrix_cleanup_module(void)
+static void __exit zoltrix_exit(void)
 {
-	video_unregister_device(&zoltrix_radio);
-	release_region(io, 2);
+	struct zoltrix *zol = &zoltrix_card;
+
+	video_unregister_device(&zol->vdev);
+	v4l2_device_unregister(&zol->v4l2_dev);
+	release_region(zol->io, 2);
 }
 
 module_init(zoltrix_init);
-module_exit(zoltrix_cleanup_module);
+module_exit(zoltrix_exit);