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| author | Laurent Pinchart <laurent.pinchart@ideasonboard.com> | 2015-04-14 04:19:51 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@osg.samsung.com> | 2015-05-30 12:11:40 -0300 |
| commit | 7195f61b801104add6453e1d8a39d5c8366fc446 (patch) | |
| tree | 2ff6a537e4710fc76d164dbb5765da328e8f5057 /drivers/media/usb/uvc/uvc_queue.c | |
| parent | baf06b519051047b4ca6bcaa94ee2d85672dd443 (diff) | |
| download | linux-7195f61b801104add6453e1d8a39d5c8366fc446.tar.gz linux-7195f61b801104add6453e1d8a39d5c8366fc446.tar.bz2 linux-7195f61b801104add6453e1d8a39d5c8366fc446.zip | |
[media] uvcvideo: Implement DMABUF exporter role
Now that videobuf2-vmalloc supports exporting buffers, add support for
the DMABUF exporter role by plugging in the videobuf2 ioctl helper.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Diffstat (limited to 'drivers/media/usb/uvc/uvc_queue.c')
| -rw-r--r-- | drivers/media/usb/uvc/uvc_queue.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/media/usb/uvc/uvc_queue.c b/drivers/media/usb/uvc/uvc_queue.c index 87a19f33e460..f16b9b42689d 100644 --- a/drivers/media/usb/uvc/uvc_queue.c +++ b/drivers/media/usb/uvc/uvc_queue.c @@ -270,6 +270,18 @@ int uvc_queue_buffer(struct uvc_video_queue *queue, struct v4l2_buffer *buf) return ret; } +int uvc_export_buffer(struct uvc_video_queue *queue, + struct v4l2_exportbuffer *exp) +{ + int ret; + + mutex_lock(&queue->mutex); + ret = vb2_expbuf(&queue->queue, exp); + mutex_unlock(&queue->mutex); + + return ret; +} + int uvc_dequeue_buffer(struct uvc_video_queue *queue, struct v4l2_buffer *buf, int nonblocking) { |