diff options
Diffstat (limited to 'linux/drivers/media/video/em28xx/em28xx-cards.c')
| -rw-r--r-- | linux/drivers/media/video/em28xx/em28xx-cards.c | 30 |
1 files changed, 25 insertions, 5 deletions
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); |