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media: docs: v4l2-controls: remove repeated ioctl names

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Mentioning :ref:`VIDIOC_QUERYCTRL` renders all the three related ioctls.
Explicitly adding VIDIOC_QUERY_EXT_CTRL and VIDIOC_QUERYMENU will make
them render twice, so remove them

Signed-off-by: Luca Ceresoli <luca@lucaceresoli.net>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
This commit is contained in:
Luca Ceresoli 2019-06-13 10:18:19 -04:00 committed by Mauro Carvalho Chehab
parent e08efef8fe
commit 7239682847
1 changed files with 1 additions and 3 deletions
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4
Documentation/media/uapi/v4l/extended-controls.rst
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@ -96,9 +96,7 @@ if this control consists of more than one element.
#. It is important to realize that due to the flexibility of controls it is
necessary to check whether the control you want to set actually is
supported in the driver and what the valid range of values is. So use
the :ref:`VIDIOC_QUERYCTRL` (or :ref:`VIDIOC_QUERY_EXT_CTRL
<VIDIOC_QUERYCTRL>`) and :ref:`VIDIOC_QUERYMENU <VIDIOC_QUERYCTRL>`
ioctls to check this.
:ref:`VIDIOC_QUERYCTRL` to check this.
#. It is possible that some of the menu indices in a control of
type ``V4L2_CTRL_TYPE_MENU`` may not be supported (``VIDIOC_QUERYMENU``