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doc-rst: extended-controls: use reference for VIDIOC_S_CTRL 

Instead of using a constant, use references, just like the
other references for ioctl's.

Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
This commit is contained in:
Mauro Carvalho Chehab 2016-07-02 09:17:08 -03:00
parent bb27da1d3f
commit 22c1cd2d79
1 changed files with 3 additions and 3 deletions
Documentation/linux_tv/media/v4l
extended-controls.rst

6
Documentation/linux_tv/media/v4l/extended-controls.rst
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@ -54,9 +54,9 @@ contains a pointer to the control array, a count of the number of
controls in that array and a control class. Control classes are used to controls in that array and a control class. Control classes are used to
group similar controls into a single class. For example, control class group similar controls into a single class. For example, control class
``V4L2_CTRL_CLASS_USER`` contains all user controls (i. e. all controls ``V4L2_CTRL_CLASS_USER`` contains all user controls (i. e. all controls
that can also be set using the old ``VIDIOC_S_CTRL`` ioctl). Control that can also be set using the old :ref:`VIDIOC_S_CTRL <VIDIOC_G_CTRL>`
class ``V4L2_CTRL_CLASS_MPEG`` contains all controls relating to MPEG ioctl). Control class ``V4L2_CTRL_CLASS_MPEG`` contains all controls
encoding, etc. relating to MPEG encoding, etc.
All controls in the control array must belong to the specified control All controls in the control array must belong to the specified control
class. An error is returned if this is not the case. class. An error is returned if this is not the case.