diff options
author | Javier Martin <javier.martin@vista-silicon.com> | 2012-01-02 18:12:23 +0400 |
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committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2012-03-19 21:07:13 +0400 |
commit | ab86e9e03d322396907dc8eb9215b136c728773e (patch) | |
tree | f47643df2491c1d6ee2e3fabb8bce76ac5aed0a5 /drivers/media | |
parent | 1a5e4c867c611ed17db837f8f900b44c72990cc4 (diff) | |
download | linux-ab86e9e03d322396907dc8eb9215b136c728773e.tar.xz |
[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>
Diffstat (limited to 'drivers/media')
-rw-r--r-- | drivers/media/video/uvc/uvc_queue.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/media/video/uvc/uvc_queue.c b/drivers/media/video/uvc/uvc_queue.c index 518f77d3a4d8..8f54e24e3f35 100644 --- a/drivers/media/video/uvc/uvc_queue.c +++ b/drivers/media/video/uvc/uvc_queue.c @@ -126,7 +126,7 @@ void uvc_queue_init(struct uvc_video_queue *queue, enum v4l2_buf_type type, int drop_corrupted) { queue->queue.type = type; - queue->queue.io_modes = VB2_MMAP; + queue->queue.io_modes = VB2_MMAP | VB2_USERPTR; queue->queue.drv_priv = queue; queue->queue.buf_struct_size = sizeof(struct uvc_buffer); queue->queue.ops = &uvc_queue_qops; |