linux-kernel - Re: [PATCH v6 4/7] Documentation: media: Document V4L2_CTRL_TYPE

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Date:   Wed, 25 Sep 2019 10:34:21 +0200
From:   Jacopo Mondi <jacopo@...ndi.org>
To:     Ricardo Ribalda Delgado <ricardo@...alda.com>
Cc:     Philipp Zabel <p.zabel@...gutronix.de>,
        Hans Verkuil <hverkuil-cisco@...all.nl>,
        linux-media@...r.kernel.org, linux-kernel@...r.kernel.org,
        Ricardo Ribalda Delgado <ribalda@...nel.org>
Subject: Re: [PATCH v6 4/7] Documentation: media: Document V4L2_CTRL_TYPE_AREA

Hi Ricardo,

On Fri, Sep 20, 2019 at 03:51:34PM +0200, Ricardo Ribalda Delgado wrote:
> From: Ricardo Ribalda Delgado <ribalda@...nel.org>
>
> A struct v4l2_area containing the width and the height of a rectangular
> area.
>
> Reviewed-by: Philipp Zabel <p.zabel@...gutronix.de>
> Signed-off-by: Ricardo Ribalda Delgado <ribalda@...nel.org>
> ---
>  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..33aff21b7d11 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. Units depend on the use case.

I recall Hans too was in favour of having min, max and step defined
(and applied to both width and height).

Really a minor issue from my side, feel free to keep it the way it is
Reviewed-by: Jacopo Mondi <jacopo@...ndi.org>

Thanks
   j
>      * - ``V4L2_CTRL_TYPE_H264_SPS``
>        - n/a
>        - n/a
> --
> 2.23.0
>

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