From: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Date: Wed, 28 Sep 2011 10:23:27 +0000 (-0300)
Subject: [media] V4L: videobuf2: update buffer state on VIDIOC_QBUF
X-Git-Tag: firefly_0821_release~3680^2~2904^2~811
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=21db3e07e1c6302556ae3215ddf0539f5d763b62;p=firefly-linux-kernel-4.4.55.git

[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>
---

diff --git a/drivers/media/video/videobuf2-core.c b/drivers/media/video/videobuf2-core.c
index b88b5b08792b..82b51be3ca72 100644
--- a/drivers/media/video/videobuf2-core.c
+++ b/drivers/media/video/videobuf2-core.c
@@ -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;
 }