Techwizz/kernel-fxtec-pro1x
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

V4L/DVB (10102): uvcvideo: Ignore interrupt endpoint for built-in iSight webcams.

Browse source 
Built-in iSight webcams have an interrupt endpoint but spit proprietary data
that don't conform to the UVC status endpoint messages. Don't try to handle
the interrupt endpoint for those cameras.

Signed-off-by: Laurent Pinchart <laurent.pinchart@skynet.be>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Laurent Pinchart 2008-12-28 20:26:32 -03:00 committed by Mauro Carvalho Chehab
parent f8dd4af6d4
commit 538e7a004b
1 changed files with 7 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

9
drivers/media/video/uvc/uvc_driver.c
View file

@ -1147,8 +1147,13 @@ static int uvc_parse_control(struct uvc_device *dev)
buffer += buffer[0];
}
/* Check if the optional status endpoint is present. */
if (alts->desc.bNumEndpoints == 1) {
/* Check if the optional status endpoint is present. Built-in iSight
* webcams have an interrupt endpoint but spit proprietary data that
* don't conform to the UVC status endpoint messages. Don't try to
* handle the interrupt endpoint for those cameras.
*/
if (alts->desc.bNumEndpoints == 1 &&
!(dev->quirks & UVC_QUIRK_BUILTIN_ISIGHT)) {
struct usb_host_endpoint *ep = &alts->endpoint[0];
struct usb_endpoint_descriptor *desc = &ep->desc;