summaryrefslogtreecommitdiff
path: root/linux/drivers
diff options
context:
space:
mode:
Diffstat (limited to 'linux/drivers')
-rw-r--r--linux/drivers/media/video/au0828/au0828-core.c17
-rw-r--r--linux/drivers/media/video/em28xx/em28xx-cards.c30
-rw-r--r--linux/drivers/media/video/em28xx/em28xx.h4
-rw-r--r--linux/drivers/media/video/tuner-core.c2
4 files changed, 44 insertions, 9 deletions
diff --git a/linux/drivers/media/video/au0828/au0828-core.c b/linux/drivers/media/video/au0828/au0828-core.c
index 4da5b7909..0e2f0eb1a 100644
--- a/linux/drivers/media/video/au0828/au0828-core.c
+++ b/linux/drivers/media/video/au0828/au0828-core.c
@@ -37,6 +37,11 @@ int au0828_debug;
module_param_named(debug, au0828_debug, int, 0644);
MODULE_PARM_DESC(debug, "enable debug messages");
+static unsigned int disable_usb_speed_check;
+module_param(disable_usb_speed_check, int, 0444);
+MODULE_PARM_DESC(disable_usb_speed_check,
+ "override min bandwidth requirement of 480M bps");
+
#define _AU0828_BULKPIPE 0x03
#define _BULKPIPESIZE 0xffff
@@ -182,6 +187,18 @@ static int au0828_usb_probe(struct usb_interface *interface,
le16_to_cpu(usbdev->descriptor.idProduct),
ifnum);
+ /*
+ * Make sure we have 480 Mbps of bandwidth, otherwise things like
+ * video stream wouldn't likely work, since 12 Mbps is generally
+ * not enough even for most Digital TV streams.
+ */
+ if (usbdev->speed != USB_SPEED_HIGH && disable_usb_speed_check == 0) {
+ printk(KERN_ERR "au0828: Device initialization failed.\n");
+ printk(KERN_ERR "au0828: Device must be connected to a "
+ "high-speed USB 2.0 port.\n");
+ return -ENODEV;
+ }
+
dev = kzalloc(sizeof(*dev), GFP_KERNEL);
if (dev == NULL) {
printk(KERN_ERR "%s() Unable to allocate memory\n", __func__);
diff --git a/linux/drivers/media/video/em28xx/em28xx-cards.c b/linux/drivers/media/video/em28xx/em28xx-cards.c
index 384aead65..5b89c1821 100644
--- a/linux/drivers/media/video/em28xx/em28xx-cards.c
+++ b/linux/drivers/media/video/em28xx/em28xx-cards.c
@@ -50,6 +50,11 @@ static unsigned int disable_ir;
module_param(disable_ir, int, 0444);
MODULE_PARM_DESC(disable_ir, "disable infrared remote support");
+static unsigned int disable_usb_speed_check;
+module_param(disable_usb_speed_check, int, 0444);
+MODULE_PARM_DESC(disable_usb_speed_check,
+ "override min bandwidth requirement of 480M bps");
+
static unsigned int card[] = {[0 ... (EM28XX_MAXBOARDS - 1)] = UNSET };
module_param_array(card, int, NULL, 0444);
MODULE_PARM_DESC(card, "card type");
@@ -1043,16 +1048,17 @@ struct em28xx_board em28xx_boards[] = {
.amux = EM28XX_AMUX_LINE_IN,
} },
},
- [EM2860_BOARD_POINTNIX_INTRAORAL_CAMERA] = {
- .name = "PointNix Intra-Oral Camera",
+ [EM2860_BOARD_SAA711X_REFERENCE_DESIGN] = {
+ .name = "EM2860/SAA711X Reference Design",
.has_snapshot_button = 1,
- .tda9887_conf = TDA9887_PRESENT,
.tuner_type = TUNER_ABSENT,
.decoder = EM28XX_SAA711X,
.input = { {
.type = EM28XX_VMUX_SVIDEO,
.vmux = SAA7115_SVIDEO3,
- .amux = EM28XX_AMUX_VIDEO,
+ }, {
+ .type = EM28XX_VMUX_COMPOSITE1,
+ .vmux = SAA7115_COMPOSITE0,
} },
},
[EM2880_BOARD_MSI_DIGIVOX_AD] = {
@@ -1588,7 +1594,7 @@ static struct em28xx_hash_table em28xx_eeprom_hash[] = {
static struct em28xx_hash_table em28xx_i2c_hash[] = {
{0xb06a32c3, EM2800_BOARD_TERRATEC_CINERGY_200, TUNER_LG_PAL_NEW_TAPC},
{0xf51200e3, EM2800_BOARD_VGEAR_POCKETTV, TUNER_LG_PAL_NEW_TAPC},
- {0x1ba50080, EM2860_BOARD_POINTNIX_INTRAORAL_CAMERA, TUNER_ABSENT},
+ {0x1ba50080, EM2860_BOARD_SAA711X_REFERENCE_DESIGN, TUNER_ABSENT},
{0xc51200e3, EM2820_BOARD_GADMEI_TVR200, TUNER_LG_PAL_NEW_TAPC},
};
@@ -2482,6 +2488,20 @@ static int em28xx_usb_probe(struct usb_interface *interface,
ifnum,
interface->altsetting->desc.bInterfaceNumber);
+ /*
+ * Make sure we have 480 Mbps of bandwidth, otherwise things like
+ * video stream wouldn't likely work, since 12 Mbps is generally
+ * not enough even for most Digital TV streams.
+ */
+ if (udev->speed != USB_SPEED_HIGH && disable_usb_speed_check == 0) {
+ printk(DRIVER_NAME ": Device initialization failed.\n");
+ printk(DRIVER_NAME ": Device must be connected to a high-speed"
+ " USB 2.0 port.\n");
+ em28xx_devused &= ~(1<<nr);
+ retval = -ENODEV;
+ goto err;
+ }
+
if (nr >= EM28XX_MAXBOARDS) {
printk(DRIVER_NAME ": Supports only %i em28xx boards.\n",
EM28XX_MAXBOARDS);
diff --git a/linux/drivers/media/video/em28xx/em28xx.h b/linux/drivers/media/video/em28xx/em28xx.h
index 1c61b98e6..db07d92f6 100644
--- a/linux/drivers/media/video/em28xx/em28xx.h
+++ b/linux/drivers/media/video/em28xx/em28xx.h
@@ -59,7 +59,7 @@
#define EM2883_BOARD_HAUPPAUGE_WINTV_HVR_950 16
#define EM2880_BOARD_PINNACLE_PCTV_HD_PRO 17
#define EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900_R2 18
-#define EM2860_BOARD_POINTNIX_INTRAORAL_CAMERA 19
+#define EM2860_BOARD_SAA711X_REFERENCE_DESIGN 19
#define EM2880_BOARD_AMD_ATI_TV_WONDER_HD_600 20
#define EM2800_BOARD_GRABBEEX_USB2800 21
#define EM2750_BOARD_UNKNOWN 22
@@ -105,7 +105,7 @@
#define EM2820_BOARD_IODATA_GVMVP_SZ 65
#define EM2880_BOARD_EMPIRE_DUAL_TV 66
#define EM2860_BOARD_TERRATEC_GRABBY 67
-#define EM2860_BOARD_TERRATEC_AV350 68
+#define EM2860_BOARD_TERRATEC_AV350 68
/* Limits minimum and default number of buffers */
#define EM28XX_MIN_BUF 4
diff --git a/linux/drivers/media/video/tuner-core.c b/linux/drivers/media/video/tuner-core.c
index cb715f143..85b133df4 100644
--- a/linux/drivers/media/video/tuner-core.c
+++ b/linux/drivers/media/video/tuner-core.c
@@ -426,8 +426,6 @@ static void set_type(struct i2c_client *c, unsigned int type,
break;
case TUNER_XC5000:
{
- struct dvb_tuner_ops *xc_tuner_ops;
-
xc5000_cfg.i2c_address = t->i2c->addr;
/* if_khz will be set when the digital dvb_attach() occurs */
xc5000_cfg.if_khz = 0;