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| author |   Hans Verkuil <hans.verkuil@cisco.com> | 2015-03-04 01:47:59 -0800 |
|---|---|---|
| committer |   Mauro Carvalho Chehab <mchehab@osg.samsung.com> | 2015-03-23 11:50:28 -0700 |
| commit | d3e4bd8e10cd70d35a59854dcdcd7280c5ed240c (patch) | |
| tree | e7d4042a0230d5f3ad79586da3acd6e7f90b7de8 /Documentation/DocBook/media/v4l/vidioc-subdev-enum-frame-size.xml | |
| parent | [media] v4l2-subdev: add support for the new enum_frame_size 'which' field (diff) | |
| download | linux-dev-d3e4bd8e10cd70d35a59854dcdcd7280c5ed240c.tar.xz linux-dev-d3e4bd8e10cd70d35a59854dcdcd7280c5ed240c.zip | |
[media] DocBook media: document the new 'which' field
The subdev enum ioctls now have a new 'which' field. Document this.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Acked-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Acked-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Diffstat (limited to 'Documentation/DocBook/media/v4l/vidioc-subdev-enum-frame-size.xml')
| -rw-r--r-- | Documentation/DocBook/media/v4l/vidioc-subdev-enum-frame-size.xml | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/Documentation/DocBook/media/v4l/vidioc-subdev-enum-frame-size.xml b/Documentation/DocBook/media/v4l/vidioc-subdev-enum-frame-size.xml index 79ce42b7c60c..abd545ede67a 100644 --- a/Documentation/DocBook/media/v4l/vidioc-subdev-enum-frame-size.xml +++ b/Documentation/DocBook/media/v4l/vidioc-subdev-enum-frame-size.xml @@ -61,9 +61,9 @@ ioctl.</para> <para>To enumerate frame sizes applications initialize the - <structfield>pad</structfield>, <structfield>code</structfield> and - <structfield>index</structfield> fields of the - &v4l2-subdev-mbus-code-enum; and call the + <structfield>pad</structfield>, <structfield>which</structfield> , + <structfield>code</structfield> and <structfield>index</structfield> + fields of the &v4l2-subdev-mbus-code-enum; and call the <constant>VIDIOC_SUBDEV_ENUM_FRAME_SIZE</constant> ioctl with a pointer to the structure. Drivers fill the minimum and maximum frame sizes or return an &EINVAL; if one of the input parameters is invalid.</para> @@ -127,7 +127,12 @@ </row> <row> <entry>__u32</entry> - <entry><structfield>reserved</structfield>[9]</entry> + <entry><structfield>which</structfield></entry> + <entry>Frame sizes to be enumerated, from &v4l2-subdev-format-whence;.</entry> + </row> + <row> + <entry>__u32</entry> + <entry><structfield>reserved</structfield>[8]</entry> <entry>Reserved for future extensions. Applications and drivers must set the array to zero.</entry> </row> |