diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/media/usb/em28xx/em28xx-cards.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/media/usb/em28xx/em28xx-cards.c b/drivers/media/usb/em28xx/em28xx-cards.c index 2001c9c14784..ec4e95119877 100644 --- a/drivers/media/usb/em28xx/em28xx-cards.c +++ b/drivers/media/usb/em28xx/em28xx-cards.c @@ -3468,7 +3468,7 @@ static int em28xx_usb_probe(struct usb_interface *interface, /* save our data pointer in this interface device */ usb_set_intfdata(interface, dev); - /* allocate device struct */ + /* allocate device struct and check if the device is a webcam */ mutex_init(&dev->lock); retval = em28xx_init_dev(dev, udev, interface, nr); if (retval) { @@ -3484,6 +3484,15 @@ static int em28xx_usb_probe(struct usb_interface *interface, try_bulk = usb_xfer_mode > 0; } + /* Disable V4L2 if the device doesn't have a decoder */ + if (has_video && + dev->board.decoder == EM28XX_NODECODER && !dev->board.is_webcam) { + printk(DRIVER_NAME + ": Currently, V4L2 is not supported on this model\n"); + has_video = false; + dev->has_video = false; + } + /* Select USB transfer types to use */ if (has_video) { if (!dev->analog_ep_isoc || (try_bulk && dev->analog_ep_bulk)) |