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| author | Hans Verkuil <hverkuil@xs4all.nl> | 2010-02-20 13:41:03 +0100 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2010-02-26 19:11:05 +0100 |
| commit | 995f5fefb0c6abba3688b3aadf40e422b64b814a (patch) | |
| tree | 560d626bee9f74cf64c96e1d9ff93bfeb230c686 /Documentation/DocBook/v4l/io.xml | |
| parent | V4L/DVB: saa7115: fix saa7111a support (diff) | |
| download | linux-995f5fefb0c6abba3688b3aadf40e422b64b814a.tar.xz linux-995f5fefb0c6abba3688b3aadf40e422b64b814a.zip | |
V4L/DVB: media-spec: Fix documentation mistakes regarding I/O streaming
The media spec contains several errors in the description of the
I/O streaming ioctls, in particular with respect to the userptr
I/O method.
The most important change is that you really need to set count
and index in v4l2_requestbuffer and v4l2_buffer when dealing with
user pointer streaming.
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'Documentation/DocBook/v4l/io.xml')
| -rw-r--r-- | Documentation/DocBook/v4l/io.xml | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/Documentation/DocBook/v4l/io.xml b/Documentation/DocBook/v4l/io.xml index f92f24323b2a..e870330cbf77 100644 --- a/Documentation/DocBook/v4l/io.xml +++ b/Documentation/DocBook/v4l/io.xml @@ -589,7 +589,8 @@ number of a video input as in &v4l2-input; field <entry></entry> <entry>A place holder for future extensions and custom (driver defined) buffer types -<constant>V4L2_BUF_TYPE_PRIVATE</constant> and higher.</entry> +<constant>V4L2_BUF_TYPE_PRIVATE</constant> and higher. Applications +should set this to 0.</entry> </row> </tbody> </tgroup> |