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media: Documentation: v42l_core: v4l2_ext_control
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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@ -198,6 +198,11 @@ still cause this situation.
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- ``p_u32``
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- A pointer to a matrix control of unsigned 32-bit values. Valid if
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this control is of type ``V4L2_CTRL_TYPE_U32``.
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* -
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- :c:type:`v4l2_area` *
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- ``p_area``
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- A pointer to a struct :c:type:`v4l2_area`. Valid if this control is
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of type ``V4L2_CTRL_TYPE_AREA``.
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* -
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- void *
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- ``ptr``
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