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authorHans Verkuil <hverkuil@xs4all.nl>2010-12-25 07:15:22 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2010-12-29 08:17:07 -0200
commite4ea644d3e59436f12e43df5d17fdf4fcf7c5fa7 (patch)
tree78d4f583577b74ea5a3fe8d84b7c86dbe0ab47dd /Documentation/video4linux/videobuf
parent41d9931c5ae014fbab8bf612c70b8e7ff16f4641 (diff)
[media] documentation: update some files to reflect the V4L1 compat removal
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'Documentation/video4linux/videobuf')
-rw-r--r--Documentation/video4linux/videobuf7
1 files changed, 1 insertions, 6 deletions
diff --git a/Documentation/video4linux/videobuf b/Documentation/video4linux/videobuf
index 17a1f9abf260..1d00d7f15b8f 100644
--- a/Documentation/video4linux/videobuf
+++ b/Documentation/video4linux/videobuf
@@ -247,8 +247,6 @@ calls. The relevant helper functions are:
int nonblocking);
int videobuf_streamon(struct videobuf_queue *q);
int videobuf_streamoff(struct videobuf_queue *q);
- int videobuf_cgmbuf(struct videobuf_queue *q, struct video_mbuf *mbuf,
- int count);
So, for example, a VIDIOC_REQBUFS call turns into a call to the driver's
vidioc_reqbufs() callback which, in turn, usually only needs to locate the
@@ -258,10 +256,7 @@ boilerplate in a lot of V4L2 drivers.
The vidioc_streamon() and vidioc_streamoff() functions will be a bit more
complex, of course, since they will also need to deal with starting and
-stopping the capture engine. videobuf_cgmbuf(), called from the driver's
-vidiocgmbuf() function, only exists if the V4L1 compatibility module has
-been selected with CONFIG_VIDEO_V4L1_COMPAT, so its use must be surrounded
-with #ifdef directives.
+stopping the capture engine.
Buffer allocation