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-rw-r--r--linux/drivers/media/dvb/dvb-usb/ttusb2.c1
-rw-r--r--linux/drivers/media/dvb/frontends/tda10086.c28
-rw-r--r--linux/drivers/media/dvb/frontends/tda10086.h3
-rw-r--r--linux/drivers/media/dvb/ttpci/budget.c1
-rw-r--r--linux/drivers/media/radio/radio-si470x.c413
-rw-r--r--linux/drivers/media/video/em28xx/Kconfig3
-rw-r--r--linux/drivers/media/video/saa7134/saa7134-dvb.c5
-rw-r--r--linux/drivers/media/video/tuner-i2c.h10
8 files changed, 280 insertions, 184 deletions
diff --git a/linux/drivers/media/dvb/dvb-usb/ttusb2.c b/linux/drivers/media/dvb/dvb-usb/ttusb2.c
index fc47d53f5..bafe82f66 100644
--- a/linux/drivers/media/dvb/dvb-usb/ttusb2.c
+++ b/linux/drivers/media/dvb/dvb-usb/ttusb2.c
@@ -150,6 +150,7 @@ static int ttusb2_streaming_ctrl(struct dvb_usb_device *d, int onoff)
static struct tda10086_config tda10086_config = {
.demod_address = 0x0e,
.invert = 0,
+ .diseqc_tone = 1,
};
static int ttusb2_frontend_attach(struct dvb_usb_adapter *adap)
diff --git a/linux/drivers/media/dvb/frontends/tda10086.c b/linux/drivers/media/dvb/frontends/tda10086.c
index 0eef34b6f..a4b48bdf2 100644
--- a/linux/drivers/media/dvb/frontends/tda10086.c
+++ b/linux/drivers/media/dvb/frontends/tda10086.c
@@ -107,9 +107,12 @@ static int tda10086_write_mask(struct tda10086_state *state, int reg, int mask,
static int tda10086_init(struct dvb_frontend* fe)
{
struct tda10086_state* state = fe->demodulator_priv;
+ u8 t22k_off = 0x80;
dprintk ("%s\n", __FUNCTION__);
+ if (state->config->diseqc_tone)
+ t22k_off = 0;
// reset
tda10086_write_byte(state, 0x00, 0x00);
msleep(10);
@@ -159,7 +162,7 @@ static int tda10086_init(struct dvb_frontend* fe)
tda10086_write_byte(state, 0x3d, 0x80);
// setup SEC
- tda10086_write_byte(state, 0x36, 0x80); // all SEC off, no 22k tone
+ tda10086_write_byte(state, 0x36, t22k_off); // all SEC off, 22k tone
tda10086_write_byte(state, 0x34, (((1<<19) * (22000/1000)) / (SACLK/1000))); // } tone frequency
tda10086_write_byte(state, 0x35, (((1<<19) * (22000/1000)) / (SACLK/1000)) >> 8); // }
@@ -181,16 +184,20 @@ static void tda10086_diseqc_wait(struct tda10086_state *state)
static int tda10086_set_tone (struct dvb_frontend* fe, fe_sec_tone_mode_t tone)
{
struct tda10086_state* state = fe->demodulator_priv;
+ u8 t22k_off = 0x80;
dprintk ("%s\n", __FUNCTION__);
+ if (state->config->diseqc_tone)
+ t22k_off = 0;
+
switch (tone) {
case SEC_TONE_OFF:
- tda10086_write_byte(state, 0x36, 0x80);
+ tda10086_write_byte(state, 0x36, t22k_off);
break;
case SEC_TONE_ON:
- tda10086_write_byte(state, 0x36, 0x81);
+ tda10086_write_byte(state, 0x36, 0x01 + t22k_off);
break;
}
@@ -203,9 +210,13 @@ static int tda10086_send_master_cmd (struct dvb_frontend* fe,
struct tda10086_state* state = fe->demodulator_priv;
int i;
u8 oldval;
+ u8 t22k_off = 0x80;
dprintk ("%s\n", __FUNCTION__);
+ if (state->config->diseqc_tone)
+ t22k_off = 0;
+
if (cmd->msg_len > 6)
return -EINVAL;
oldval = tda10086_read_byte(state, 0x36);
@@ -213,7 +224,8 @@ static int tda10086_send_master_cmd (struct dvb_frontend* fe,
for(i=0; i< cmd->msg_len; i++) {
tda10086_write_byte(state, 0x48+i, cmd->msg[i]);
}
- tda10086_write_byte(state, 0x36, 0x88 | ((cmd->msg_len - 1) << 4));
+ tda10086_write_byte(state, 0x36, (0x08 + t22k_off)
+ | ((cmd->msg_len - 1) << 4));
tda10086_diseqc_wait(state);
@@ -226,16 +238,20 @@ static int tda10086_send_burst (struct dvb_frontend* fe, fe_sec_mini_cmd_t minic
{
struct tda10086_state* state = fe->demodulator_priv;
u8 oldval = tda10086_read_byte(state, 0x36);
+ u8 t22k_off = 0x80;
dprintk ("%s\n", __FUNCTION__);
+ if (state->config->diseqc_tone)
+ t22k_off = 0;
+
switch(minicmd) {
case SEC_MINI_A:
- tda10086_write_byte(state, 0x36, 0x84);
+ tda10086_write_byte(state, 0x36, 0x04 + t22k_off);
break;
case SEC_MINI_B:
- tda10086_write_byte(state, 0x36, 0x86);
+ tda10086_write_byte(state, 0x36, 0x06 + t22k_off);
break;
}
diff --git a/linux/drivers/media/dvb/frontends/tda10086.h b/linux/drivers/media/dvb/frontends/tda10086.h
index ed584a8f4..eeceaeee7 100644
--- a/linux/drivers/media/dvb/frontends/tda10086.h
+++ b/linux/drivers/media/dvb/frontends/tda10086.h
@@ -33,6 +33,9 @@ struct tda10086_config
/* does the "inversion" need inverted? */
u8 invert;
+
+ /* do we need the diseqc signal with carrier? */
+ u8 diseqc_tone;
};
#if defined(CONFIG_DVB_TDA10086) || (defined(CONFIG_DVB_TDA10086_MODULE) && defined(MODULE))
diff --git a/linux/drivers/media/dvb/ttpci/budget.c b/linux/drivers/media/dvb/ttpci/budget.c
index 9268a82ba..14b00f57b 100644
--- a/linux/drivers/media/dvb/ttpci/budget.c
+++ b/linux/drivers/media/dvb/ttpci/budget.c
@@ -351,6 +351,7 @@ static struct s5h1420_config s5h1420_config = {
static struct tda10086_config tda10086_config = {
.demod_address = 0x0e,
.invert = 0,
+ .diseqc_tone = 1,
};
static u8 read_pwm(struct budget* budget)
diff --git a/linux/drivers/media/radio/radio-si470x.c b/linux/drivers/media/radio/radio-si470x.c
index 7be7b0916..772c3a126 100644
--- a/linux/drivers/media/radio/radio-si470x.c
+++ b/linux/drivers/media/radio/radio-si470x.c
@@ -66,8 +66,25 @@
* Version 1.0.5
* - number of seek_retries changed to tune_timeout
* - fixed problem with incomplete tune operations by own buffers
- * - optimization of variables
+ * - optimization of variables and printf types
* - improved error logging
+ * 2008-01-31 Tobias Lorenz <tobias.lorenz@gmx.net>
+ * Oliver Neukum <oliver@neukum.org>
+ * Version 1.0.6
+ * - fixed coverity checker warnings in *_usb_driver_disconnect
+ * - probe()/open() race by correct ordering in probe()
+ * - DMA coherency rules by separate allocation of all buffers
+ * - use of endianness macros
+ * - abuse of spinlock, replaced by mutex
+ * - racy handling of timer in disconnect,
+ * replaced by delayed_work
+ * - racy interruptible_sleep_on(),
+ * replaced with wait_event_interruptible()
+ * - handle signals in read()
+ * 2008-02-08 Tobias Lorenz <tobias.lorenz@gmx.net>
+ * Oliver Neukum <oliver@neukum.org>
+ * Version 1.0.7
+ * - usb autosuspend support
*
* ToDo:
* - add seeking support
@@ -80,10 +97,10 @@
/* driver definitions */
#define DRIVER_AUTHOR "Tobias Lorenz <tobias.lorenz@gmx.net>"
#define DRIVER_NAME "radio-si470x"
-#define DRIVER_KERNEL_VERSION KERNEL_VERSION(1, 0, 5)
+#define DRIVER_KERNEL_VERSION KERNEL_VERSION(1, 0, 6)
#define DRIVER_CARD "Silicon Labs Si470x FM Radio Receiver"
#define DRIVER_DESC "USB radio driver for Si470x FM Radio Receivers"
-#define DRIVER_VERSION "1.0.5"
+#define DRIVER_VERSION "1.0.6"
/* kernel includes */
@@ -97,8 +114,10 @@
#include <linux/version.h>
#include "compat.h"
#include <linux/videodev2.h>
+#include <linux/mutex.h>
#include <media/v4l2-common.h>
#include <media/rds.h>
+#include <asm/unaligned.h>
/* USB Device ID List */
@@ -401,6 +420,7 @@ MODULE_PARM_DESC(rds_poll_time, "RDS poll time (ms): *40*");
struct si470x_device {
/* reference to USB and video device */
struct usb_device *usbdev;
+ struct usb_interface *intf;
struct video_device *videodev;
/* driver management */
@@ -410,10 +430,9 @@ struct si470x_device {
unsigned short registers[RADIO_REGISTER_NUM];
/* RDS receive buffer */
- struct work_struct work;
+ struct delayed_work work;
wait_queue_head_t read_queue;
- struct timer_list timer;
- spinlock_t lock; /* buffer locking */
+ struct mutex lock; /* buffer locking */
unsigned char *buffer; /* size is always multiple of three */
unsigned int buf_size;
unsigned int rd_index;
@@ -495,7 +514,8 @@ static int si470x_get_register(struct si470x_device *radio, int regnr)
retval = si470x_get_report(radio, (void *) &buf, sizeof(buf));
if (retval >= 0)
- radio->registers[regnr] = (buf[1] << 8) | buf[2];
+ radio->registers[regnr] = be16_to_cpu(get_unaligned(
+ (unsigned short *) &buf[1]));
return (retval < 0) ? -EINVAL : 0;
}
@@ -510,8 +530,8 @@ static int si470x_set_register(struct si470x_device *radio, int regnr)
int retval;
buf[0] = REGISTER_REPORT(regnr);
- buf[1] = (radio->registers[regnr] & 0xff00) >> 8;
- buf[2] = (radio->registers[regnr] & 0x00ff);
+ put_unaligned(cpu_to_be16(radio->registers[regnr]),
+ (unsigned short *) &buf[1]);
retval = si470x_set_report(radio, (void *) &buf, sizeof(buf));
@@ -534,9 +554,9 @@ static int si470x_get_all_registers(struct si470x_device *radio)
if (retval >= 0)
for (regnr = 0; regnr < RADIO_REGISTER_NUM; regnr++)
- radio->registers[regnr] =
- (buf[regnr * RADIO_REGISTER_SIZE + 1] << 8) |
- buf[regnr * RADIO_REGISTER_SIZE + 2];
+ radio->registers[regnr] = be16_to_cpu(get_unaligned(
+ (unsigned short *)
+ &buf[regnr * RADIO_REGISTER_SIZE + 1]));
return (retval < 0) ? -EINVAL : 0;
}
@@ -559,7 +579,7 @@ static int si470x_get_rds_registers(struct si470x_device *radio)
(void *) &buf, sizeof(buf), &size, usb_timeout);
if (size != sizeof(buf))
printk(KERN_WARNING DRIVER_NAME ": si470x_get_rds_register: "
- "return size differs: %d != %ld\n", size, sizeof(buf));
+ "return size differs: %d != %zu\n", size, sizeof(buf));
if (retval < 0)
printk(KERN_WARNING DRIVER_NAME ": si470x_get_rds_registers: "
"usb_interrupt_msg returned %d\n", retval);
@@ -567,8 +587,8 @@ static int si470x_get_rds_registers(struct si470x_device *radio)
if (retval >= 0)
for (regnr = 0; regnr < RDS_REGISTER_NUM; regnr++)
radio->registers[STATUSRSSI + regnr] =
- (buf[regnr * RADIO_REGISTER_SIZE + 1] << 8) |
- buf[regnr * RADIO_REGISTER_SIZE + 2];
+ be16_to_cpu(get_unaligned((unsigned short *)
+ &buf[regnr * RADIO_REGISTER_SIZE + 1]));
return (retval < 0) ? -EINVAL : 0;
}
@@ -601,7 +621,7 @@ static int si470x_set_chan(struct si470x_device *radio, unsigned short chan)
(!timed_out));
if (timed_out)
printk(KERN_WARNING DRIVER_NAME
- ": seek does not finish after %d ms\n", tune_timeout);
+ ": seek does not finish after %u ms\n", tune_timeout);
/* stop tuning */
radio->registers[CHANNEL] &= ~CHANNEL_TUNE;
@@ -748,9 +768,17 @@ static int si470x_stop(struct si470x_device *radio)
*/
static int si470x_rds_on(struct si470x_device *radio)
{
+ int retval;
+
/* sysconfig 1 */
+ mutex_lock(&radio->lock);
radio->registers[SYSCONFIG1] |= SYSCONFIG1_RDS;
- return si470x_set_register(radio, SYSCONFIG1);
+ retval = si470x_set_register(radio, SYSCONFIG1);
+ if (retval < 0)
+ radio->registers[SYSCONFIG1] &= ~SYSCONFIG1_RDS;
+ mutex_unlock(&radio->lock);
+
+ return retval;
}
@@ -764,6 +792,11 @@ static int si470x_rds_on(struct si470x_device *radio)
*/
static void si470x_rds(struct si470x_device *radio)
{
+ unsigned char blocknum;
+ unsigned short bler; /* rds block errors */
+ unsigned short rds;
+ unsigned char tmpbuf[3];
+
/* get rds blocks */
if (si470x_get_rds_registers(radio) < 0)
return;
@@ -776,69 +809,58 @@ static void si470x_rds(struct si470x_device *radio)
return;
}
- /* copy four RDS blocks to internal buffer */
- if (spin_trylock(&radio->lock)) {
- unsigned char blocknum;
- unsigned short bler; /* rds block errors */
- unsigned short rds;
- unsigned char tmpbuf[3];
- unsigned char i;
-
- /* process each rds block */
- for (blocknum = 0; blocknum < 4; blocknum++) {
- switch (blocknum) {
- default:
- bler = (radio->registers[STATUSRSSI] &
- STATUSRSSI_BLERA) >> 9;
- rds = radio->registers[RDSA];
- break;
- case 1:
- bler = (radio->registers[READCHAN] &
- READCHAN_BLERB) >> 14;
- rds = radio->registers[RDSB];
- break;
- case 2:
- bler = (radio->registers[READCHAN] &
- READCHAN_BLERC) >> 12;
- rds = radio->registers[RDSC];
- break;
- case 3:
- bler = (radio->registers[READCHAN] &
- READCHAN_BLERD) >> 10;
- rds = radio->registers[RDSD];
- break;
- };
-
- /* Fill the V4L2 RDS buffer */
- tmpbuf[0] = rds & 0x00ff; /* LSB */
- tmpbuf[1] = (rds & 0xff00) >> 8;/* MSB */
- tmpbuf[2] = blocknum; /* offset name */
- tmpbuf[2] |= blocknum << 3; /* received offset */
- if (bler > max_rds_errors)
- tmpbuf[2] |= 0x80; /* uncorrectable errors */
- else if (bler > 0)
- tmpbuf[2] |= 0x40; /* corrected error(s) */
-
- /* copy RDS block to internal buffer */
- for (i = 0; i < 3; i++) {
- radio->buffer[radio->wr_index] = tmpbuf[i];
- radio->wr_index++;
- }
-
- /* wrap write pointer */
- if (radio->wr_index >= radio->buf_size)
- radio->wr_index = 0;
-
- /* check for overflow */
- if (radio->wr_index == radio->rd_index) {
- /* increment and wrap read pointer */
- radio->rd_index += 3;
- if (radio->rd_index >= radio->buf_size)
- radio->rd_index = 0;
- }
+ /* copy all four RDS blocks to internal buffer */
+ mutex_lock(&radio->lock);
+ for (blocknum = 0; blocknum < 4; blocknum++) {
+ switch (blocknum) {
+ default:
+ bler = (radio->registers[STATUSRSSI] &
+ STATUSRSSI_BLERA) >> 9;
+ rds = radio->registers[RDSA];
+ break;
+ case 1:
+ bler = (radio->registers[READCHAN] &
+ READCHAN_BLERB) >> 14;
+ rds = radio->registers[RDSB];
+ break;
+ case 2:
+ bler = (radio->registers[READCHAN] &
+ READCHAN_BLERC) >> 12;
+ rds = radio->registers[RDSC];
+ break;
+ case 3:
+ bler = (radio->registers[READCHAN] &
+ READCHAN_BLERD) >> 10;
+ rds = radio->registers[RDSD];
+ break;
+ };
+
+ /* Fill the V4L2 RDS buffer */
+ put_unaligned(cpu_to_le16(rds), (unsigned short *) &tmpbuf);
+ tmpbuf[2] = blocknum; /* offset name */
+ tmpbuf[2] |= blocknum << 3; /* received offset */
+ if (bler > max_rds_errors)
+ tmpbuf[2] |= 0x80; /* uncorrectable errors */
+ else if (bler > 0)
+ tmpbuf[2] |= 0x40; /* corrected error(s) */
+
+ /* copy RDS block to internal buffer */
+ memcpy(&radio->buffer[radio->wr_index], &tmpbuf, 3);
+ radio->wr_index += 3;
+
+ /* wrap write pointer */
+ if (radio->wr_index >= radio->buf_size)
+ radio->wr_index = 0;
+
+ /* check for overflow */
+ if (radio->wr_index == radio->rd_index) {
+ /* increment and wrap read pointer */
+ radio->rd_index += 3;
+ if (radio->rd_index >= radio->buf_size)
+ radio->rd_index = 0;
}
- spin_unlock(&radio->lock);
}
+ mutex_unlock(&radio->lock);
/* wake up read queue */
if (radio->wr_index != radio->rd_index)
@@ -847,29 +869,18 @@ static void si470x_rds(struct si470x_device *radio)
/*
- * si470x_timer - rds timer function
- */
-static void si470x_timer(unsigned long data)
-{
- struct si470x_device *radio = (struct si470x_device *) data;
-
- schedule_work(&radio->work);
-}
-
-
-/*
* si470x_work - rds work function
*/
static void si470x_work(struct work_struct *work)
{
struct si470x_device *radio = container_of(work, struct si470x_device,
- work);
+ work.work);
if ((radio->registers[SYSCONFIG1] & SYSCONFIG1_RDS) == 0)
return;
si470x_rds(radio);
- mod_timer(&radio->timer, jiffies + msecs_to_jiffies(rds_poll_time));
+ schedule_delayed_work(&radio->work, msecs_to_jiffies(rds_poll_time));
}
@@ -886,49 +897,49 @@ static ssize_t si470x_fops_read(struct file *file, char __user *buf,
{
struct si470x_device *radio = video_get_drvdata(video_devdata(file));
int retval = 0;
+ unsigned int block_count = 0;
/* switch on rds reception */
if ((radio->registers[SYSCONFIG1] & SYSCONFIG1_RDS) == 0) {
si470x_rds_on(radio);
- schedule_work(&radio->work);
+ schedule_delayed_work(&radio->work,
+ msecs_to_jiffies(rds_poll_time));
}
/* block if no new data available */
while (radio->wr_index == radio->rd_index) {
if (file->f_flags & O_NONBLOCK)
return -EWOULDBLOCK;
- interruptible_sleep_on(&radio->read_queue);
+ if (wait_event_interruptible(radio->read_queue,
+ radio->wr_index != radio->rd_index) < 0)
+ return -EINTR;
}
/* calculate block count from byte count */
count /= 3;
/* copy RDS block out of internal buffer and to user buffer */
- if (spin_trylock(&radio->lock)) {
- unsigned int block_count = 0;
- while (block_count < count) {
- if (radio->rd_index == radio->wr_index)
- break;
-
- /* always transfer rds complete blocks */
- if (copy_to_user(buf,
- &radio->buffer[radio->rd_index], 3))
- /* retval = -EFAULT; */
- break;
+ mutex_lock(&radio->lock);
+ while (block_count < count) {
+ if (radio->rd_index == radio->wr_index)
+ break;
- /* increment and wrap read pointer */
- radio->rd_index += 3;
- if (radio->rd_index >= radio->buf_size)
- radio->rd_index = 0;
+ /* always transfer rds complete blocks */
+ if (copy_to_user(buf, &radio->buffer[radio->rd_index], 3))
+ /* retval = -EFAULT; */
+ break;
- /* increment counters */
- block_count++;
- buf += 3;
- retval += 3;
- }
+ /* increment and wrap read pointer */
+ radio->rd_index += 3;
+ if (radio->rd_index >= radio->buf_size)
+ radio->rd_index = 0;
- spin_unlock(&radio->lock);
+ /* increment counters */
+ block_count++;
+ buf += 3;
+ retval += 3;
}
+ mutex_unlock(&radio->lock);
return retval;
}
@@ -945,7 +956,8 @@ static unsigned int si470x_fops_poll(struct file *file,
/* switch on rds reception */
if ((radio->registers[SYSCONFIG1] & SYSCONFIG1_RDS) == 0) {
si470x_rds_on(radio);
- schedule_work(&radio->work);
+ schedule_delayed_work(&radio->work,
+ msecs_to_jiffies(rds_poll_time));
}
poll_wait(file, &radio->read_queue, pts);
@@ -963,10 +975,22 @@ static unsigned int si470x_fops_poll(struct file *file,
static int si470x_fops_open(struct inode *inode, struct file *file)
{
struct si470x_device *radio = video_get_drvdata(video_devdata(file));
+ int retval;
radio->users++;
- if (radio->users == 1)
- return si470x_start(radio);
+
+ retval = usb_autopm_get_interface(radio->intf);
+ if (retval < 0) {
+ radio->users--;
+ return -EIO;
+ }
+
+ if (radio->users == 1) {
+ retval = si470x_start(radio);
+ if (retval < 0)
+ usb_autopm_put_interface(radio->intf);
+ return retval;
+ }
return 0;
}
@@ -978,6 +1002,7 @@ static int si470x_fops_open(struct inode *inode, struct file *file)
static int si470x_fops_release(struct inode *inode, struct file *file)
{
struct si470x_device *radio = video_get_drvdata(video_devdata(file));
+ int retval;
if (!radio)
return -ENODEV;
@@ -985,13 +1010,14 @@ static int si470x_fops_release(struct inode *inode, struct file *file)
radio->users--;
if (radio->users == 0) {
/* stop rds reception */
- del_timer_sync(&radio->timer);
- flush_scheduled_work();
+ cancel_delayed_work_sync(&radio->work);
/* cancel read processes */
wake_up_interruptible(&radio->read_queue);
- return si470x_stop(radio);
+ retval = si470x_stop(radio);
+ usb_autopm_put_interface(radio->intf);
+ return retval;
}
return 0;
@@ -1363,71 +1389,116 @@ static int si470x_usb_driver_probe(struct usb_interface *intf,
const struct usb_device_id *id)
{
struct si470x_device *radio;
+ int retval = -ENOMEM;
- /* memory and interface allocations */
- radio = kmalloc(sizeof(struct si470x_device), GFP_KERNEL);
+ /* private data allocation */
+ radio = kzalloc(sizeof(struct si470x_device), GFP_KERNEL);
if (!radio)
- return -ENOMEM;
+ goto err_initial;
+
+ /* video device allocation */
radio->videodev = video_device_alloc();
- if (!radio->videodev) {
- kfree(radio);
- return -ENOMEM;
- }
+ if (!radio->videodev)
+ goto err_radio;
+
+ /* initial configuration */
memcpy(radio->videodev, &si470x_viddev_template,
sizeof(si470x_viddev_template));
radio->users = 0;
radio->usbdev = interface_to_usbdev(intf);
+ radio->intf = intf;
+ mutex_init(&radio->lock);
video_set_drvdata(radio->videodev, radio);
- if (video_register_device(radio->videodev, VFL_TYPE_RADIO, radio_nr)) {
- printk(KERN_WARNING DRIVER_NAME
- ": Could not register video device\n");
- video_device_release(radio->videodev);
- kfree(radio);
- return -EIO;
- }
- usb_set_intfdata(intf, radio);
/* show some infos about the specific device */
- if (si470x_get_all_registers(radio) < 0) {
- video_device_release(radio->videodev);
- kfree(radio);
- return -EIO;
- }
- printk(KERN_INFO DRIVER_NAME ": DeviceID=0x%4.4x ChipID=0x%4.4x\n",
+ retval = -EIO;
+ if (si470x_get_all_registers(radio) < 0)
+ goto err_all;
+ printk(KERN_INFO DRIVER_NAME ": DeviceID=0x%4.4hx ChipID=0x%4.4hx\n",
radio->registers[DEVICEID], radio->registers[CHIPID]);
/* check if firmware is current */
if ((radio->registers[CHIPID] & CHIPID_FIRMWARE)
- < RADIO_SW_VERSION_CURRENT)
+ < RADIO_SW_VERSION_CURRENT) {
printk(KERN_WARNING DRIVER_NAME
- ": This driver is known to work with chip version %d, "
- "but the device has firmware %d.\n"
- DRIVER_NAME
- "If you have some trouble using this driver, please "
- "report to V4L ML at video4linux-list@redhat.com\n",
- radio->registers[CHIPID] & CHIPID_FIRMWARE,
- RADIO_SW_VERSION_CURRENT);
+ ": This driver is known to work with "
+ "firmware version %hu,\n", RADIO_SW_VERSION_CURRENT);
+ printk(KERN_WARNING DRIVER_NAME
+ ": but the device has firmware version %hu.\n",
+ radio->registers[CHIPID] & CHIPID_FIRMWARE);
+ printk(KERN_WARNING DRIVER_NAME
+ ": If you have some trouble using this driver,\n");
+ printk(KERN_WARNING DRIVER_NAME
+ ": please report to V4L ML at "
+ "video4linux-list@redhat.com\n");
+ }
/* set initial frequency */
si470x_set_freq(radio, 87.5 * FREQ_MUL); /* available in all regions */
- /* rds initialization */
+ /* rds buffer allocation */
radio->buf_size = rds_buf * 3;
radio->buffer = kmalloc(radio->buf_size, GFP_KERNEL);
- if (!radio->buffer) {
- video_device_release(radio->videodev);
- kfree(radio);
- return -ENOMEM;
- }
+ if (!radio->buffer)
+ goto err_all;
+
+ /* rds buffer configuration */
radio->wr_index = 0;
radio->rd_index = 0;
init_waitqueue_head(&radio->read_queue);
- /* prepare polling via eventd */
- INIT_WORK(&radio->work, si470x_work);
- init_timer(&radio->timer);
- radio->timer.function = si470x_timer;
- radio->timer.data = (unsigned long) radio;
+ /* prepare rds work function */
+ INIT_DELAYED_WORK(&radio->work, si470x_work);
+
+ /* register video device */
+ if (video_register_device(radio->videodev, VFL_TYPE_RADIO, radio_nr)) {
+ printk(KERN_WARNING DRIVER_NAME
+ ": Could not register video device\n");
+ goto err_all;
+ }
+ usb_set_intfdata(intf, radio);
+
+ return 0;
+err_all:
+ video_device_release(radio->videodev);
+ kfree(radio->buffer);
+err_radio:
+ kfree(radio);
+err_initial:
+ return retval;
+}
+
+
+/*
+ * si470x_usb_driver_suspend - suspend the device
+ */
+static int si470x_usb_driver_suspend(struct usb_interface *intf,
+ pm_message_t message)
+{
+ struct si470x_device *radio = usb_get_intfdata(intf);
+
+ printk(KERN_INFO DRIVER_NAME ": suspending now...\n");
+
+ cancel_delayed_work_sync(&radio->work);
+
+ return 0;
+}
+
+
+/*
+ * si470x_usb_driver_resume - resume the device
+ */
+static int si470x_usb_driver_resume(struct usb_interface *intf)
+{
+ struct si470x_device *radio = usb_get_intfdata(intf);
+
+ printk(KERN_INFO DRIVER_NAME ": resuming now...\n");
+
+ mutex_lock(&radio->lock);
+ if (radio->users && radio->registers[SYSCONFIG1] & SYSCONFIG1_RDS)
+ schedule_delayed_work(&radio->work,
+ msecs_to_jiffies(rds_poll_time));
+ mutex_unlock(&radio->lock);
return 0;
}
@@ -1440,14 +1511,11 @@ static void si470x_usb_driver_disconnect(struct usb_interface *intf)
{
struct si470x_device *radio = usb_get_intfdata(intf);
+ cancel_delayed_work_sync(&radio->work);
usb_set_intfdata(intf, NULL);
- if (radio) {
- del_timer_sync(&radio->timer);
- flush_scheduled_work();
- video_unregister_device(radio->videodev);
- kfree(radio->buffer);
- kfree(radio);
- }
+ video_unregister_device(radio->videodev);
+ kfree(radio->buffer);
+ kfree(radio);
}
@@ -1455,10 +1523,13 @@ static void si470x_usb_driver_disconnect(struct usb_interface *intf)
* si470x_usb_driver - usb driver interface
*/
static struct usb_driver si470x_usb_driver = {
- .name = DRIVER_NAME,
- .probe = si470x_usb_driver_probe,
- .disconnect = si470x_usb_driver_disconnect,
- .id_table = si470x_usb_driver_id_table,
+ .name = DRIVER_NAME,
+ .probe = si470x_usb_driver_probe,
+ .disconnect = si470x_usb_driver_disconnect,
+ .suspend = si470x_usb_driver_suspend,
+ .resume = si470x_usb_driver_resume,
+ .id_table = si470x_usb_driver_id_table,
+ .supports_autosuspend = 1,
};
diff --git a/linux/drivers/media/video/em28xx/Kconfig b/linux/drivers/media/video/em28xx/Kconfig
index abbd38c1e..0f7a0bd86 100644
--- a/linux/drivers/media/video/em28xx/Kconfig
+++ b/linux/drivers/media/video/em28xx/Kconfig
@@ -13,7 +13,8 @@ config VIDEO_EM28XX
module will be called em28xx
config VIDEO_EM28XX_ALSA
- depends on VIDEO_EM28XX
+ depends on VIDEO_EM28XX && SND
+ select SND_PCM
tristate "Empia EM28xx ALSA audio module"
---help---
This is an ALSA driver for some Empia 28xx based TV cards.
diff --git a/linux/drivers/media/video/saa7134/saa7134-dvb.c b/linux/drivers/media/video/saa7134/saa7134-dvb.c
index 02a4f7dbd..3ca2378b9 100644
--- a/linux/drivers/media/video/saa7134/saa7134-dvb.c
+++ b/linux/drivers/media/video/saa7134/saa7134-dvb.c
@@ -841,6 +841,7 @@ static struct tda1004x_config ads_tech_duo_config = {
static struct tda10086_config flydvbs = {
.demod_address = 0x0e,
.invert = 0,
+ .diseqc_tone = 0,
};
/* ==================================================================
@@ -955,9 +956,9 @@ static int dvb_init(struct saa7134_dev *dev)
configure_tda827x_fe(dev, &tda827x_lifeview_config);
break;
case SAA7134_BOARD_FLYDVB_TRIO:
- if(! use_frontend) { //terrestrial
+ if(! use_frontend) { /* terrestrial */
configure_tda827x_fe(dev, &lifeview_trio_config);
- } else { //satellite
+ } else { /* satellite */
dev->dvb.frontend = dvb_attach(tda10086_attach, &flydvbs, &dev->i2c_adap);
if (dev->dvb.frontend) {
if (dvb_attach(tda826x_attach, dev->dvb.frontend, 0x63,
diff --git a/linux/drivers/media/video/tuner-i2c.h b/linux/drivers/media/video/tuner-i2c.h
index c53c327a4..60ba79480 100644
--- a/linux/drivers/media/video/tuner-i2c.h
+++ b/linux/drivers/media/video/tuner-i2c.h
@@ -83,7 +83,8 @@ static inline int tuner_i2c_xfer_send_recv(struct tuner_i2c_props *props,
#define tuner_printk(kernlvl, i2cprops, fmt, arg...) do { \
printk(kernlvl "%s %d-%04x: " fmt, i2cprops.name, \
- i2c_adapter_id(i2cprops.adap), \
+ i2cprops.adap ? \
+ i2c_adapter_id(i2cprops.adap) : -1, \
i2cprops.addr, ##arg); \
} while (0)
@@ -128,9 +129,10 @@ static inline int tuner_i2c_xfer_send_recv(struct tuner_i2c_props *props,
({ \
int __ret = 0; \
list_for_each_entry(state, &list, hybrid_tuner_instance_list) { \
- if ((i2c_adapter_id(state->i2c_props.adap) == \
- i2c_adapter_id(i2cadap)) && \
- (state->i2c_props.addr == i2caddr)) { \
+ if ((state->i2c_props.addr == i2caddr) && \
+ ((state->i2c_props.adap ? \
+ i2c_adapter_id(state->i2c_props.adap) : -1) == \
+ (i2cadap ? i2c_adapter_id(i2cadap) : -1))) { \
__tuner_info(state->i2c_props, \
"attaching existing instance\n"); \
state->i2c_props.count++; \
generated by cgit v1.2.3 (git 2.25.1) at 2025-01-10 11:20:47 +0000