[media] uvcvideo: Allow userptr IO mode
authorJavier Martin <javier.martin@vista-silicon.com>
Mon, 2 Jan 2012 14:12:23 +0000 (11:12 -0300)
committerMauro Carvalho Chehab <mchehab@redhat.com>
Mon, 19 Mar 2012 17:07:13 +0000 (14:07 -0300)
commitab86e9e03d322396907dc8eb9215b136c728773e
treef47643df2491c1d6ee2e3fabb8bce76ac5aed0a5
parent1a5e4c867c611ed17db837f8f900b44c72990cc4
[media] uvcvideo: Allow userptr IO mode

Userptr can be very useful if a UVC camera is requested to use video
buffers allocated by another processing device. So that buffers don't
need to be copied.

Signed-off-by: Javier Martin <javier.martin@vista-silicon.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
drivers/media/video/uvc/uvc_queue.c