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[media] V4L: videobuf2: update buffer state on VIDIOC_QBUF 

V4L2 specification states, that the videobuffer state flags have to be
updated on VIDIOC_QBUF ioctl(). Videobuf2 currently doesn't do that,
which is fixed by this patch.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Guennadi Liakhovetski 2011-09-28 07:23:27 -03:00 committed by Mauro Carvalho Chehab
parent 2150158b31
commit 21db3e07e1
1 changed files with 3 additions and 0 deletions
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3
drivers/media/video/videobuf2-core.c
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@ -935,6 +935,9 @@ int vb2_qbuf(struct vb2_queue *q, struct v4l2_buffer *b)
if (q->streaming)
__enqueue_in_driver(vb);
/* Fill buffer information for the userspace */
__fill_v4l2_buffer(vb, b);
dprintk(1, "qbuf of buffer %d succeeded\n", vb->v4l2_buf.index);
return 0;
}