linux-kernel - Re: [PATCH v3 3/7] Documentation: media: Document V4L2_CTRL_TYPE

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Message-ID: <1566565011.3023.15.camel@pengutronix.de>
Date:   Fri, 23 Aug 2019 14:56:51 +0200
From:   Philipp Zabel <p.zabel@...gutronix.de>
To:     Ricardo Ribalda Delgado <ribalda@...nel.org>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Hans Verkuil <hverkuil-cisco@...all.nl>,
        Sakari Ailus <sakari.ailus@...ux.intel.com>,
        linux-media@...r.kernel.org, linux-kernel@...r.kernel.org,
        Jacopo Mondi <jacopo@...ndi.org>
Subject: Re: [PATCH v3 3/7] Documentation: media: Document
 V4L2_CTRL_TYPE_AREA

On Fri, 2019-08-23 at 14:37 +0200, Ricardo Ribalda Delgado wrote:
> A struct v4l2_area containing the width and the height of a rectangular
> area.
> 
> Signed-off-by: Ricardo Ribalda Delgado <ribalda@...nel.org>
> Suggested-by: Hans Verkuil <hverkuil-cisco@...all.nl>
> ---
>  Documentation/media/uapi/v4l/vidioc-queryctrl.rst | 6 ++++++
>  1 file changed, 6 insertions(+)
> 
> diff --git a/Documentation/media/uapi/v4l/vidioc-queryctrl.rst b/Documentation/media/uapi/v4l/vidioc-queryctrl.rst
> index a3d56ffbf4cc..c09d06ef2b08 100644
> --- a/Documentation/media/uapi/v4l/vidioc-queryctrl.rst
> +++ b/Documentation/media/uapi/v4l/vidioc-queryctrl.rst
> @@ -443,6 +443,12 @@ See also the examples in :ref:`control`.
>        - n/a
>        - A struct :c:type:`v4l2_ctrl_mpeg2_quantization`, containing MPEG-2
>  	quantization matrices for stateless video decoders.
> +    * - ``V4L2_CTRL_TYPE_AREA``
> +      - n/a
> +      - n/a
> +      - n/a
> +      - A struct :c:type:`v4l2_area`, containing the width and the height
> +        of a rectangular area.

Maybe explicitly mention that units depend on the use case?

regards
Philipp