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media: Documentation: v42l_core: v4l2_ext_control

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Describe p_area field from v4l2_ext_ctrl

Signed-off-by: Ricardo Ribalda Delgado <ribalda@kernel.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
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Ricardo Ribalda Delgado 2019-11-04 14:09:22 +01:00 committed by Mauro Carvalho Chehab
parent 134f9e9ef2
commit 8508a2d519
1 changed files with 5 additions and 0 deletions
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5
Documentation/media/uapi/v4l/vidioc-g-ext-ctrls.rst
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@ -198,6 +198,11 @@ still cause this situation.
- ``p_u32``
- A pointer to a matrix control of unsigned 32-bit values. Valid if
this control is of type ``V4L2_CTRL_TYPE_U32``.
* -
- :c:type:`v4l2_area` *
- ``p_area``
- A pointer to a struct :c:type:`v4l2_area`. Valid if this control is
of type ``V4L2_CTRL_TYPE_AREA``.
* -
- void *
- ``ptr``