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media: add V4L2_CTRL_TYPE_AREA control type

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This type contains the width and the height of a rectangular area.

Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
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+samsung@kernel.org>
This commit is contained in:
Ricardo Ribalda Delgado
2019-10-07 12:06:31 -03:00
committed by Mauro Carvalho Chehab
parent f7fe9f9528
commit d1dc49370f
3 changed files with 69 additions and 0 deletions
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6
include/uapi/linux/videodev2.h
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@@ -422,6 +422,11 @@ struct v4l2_fract {
__u32 denominator;
};
struct v4l2_area {
__u32 width;
__u32 height;
};
/**
* struct v4l2_capability - Describes V4L2 device caps returned by VIDIOC_QUERYCAP
*
@@ -1720,6 +1725,7 @@ enum v4l2_ctrl_type {
V4L2_CTRL_TYPE_U8 = 0x0100,
V4L2_CTRL_TYPE_U16 = 0x0101,
V4L2_CTRL_TYPE_U32 = 0x0102,
V4L2_CTRL_TYPE_AREA = 0x0106,
};
/* Used in the VIDIOC_QUERYCTRL ioctl for querying controls */