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

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Message-ID: <20190826074059.bby3k6vr25axfbqc@uno.localdomain>
Date:   Mon, 26 Aug 2019 09:40:59 +0200
From:   Jacopo Mondi <jacopo@...ndi.org>
To:     Ricardo Ribalda Delgado <ribalda@...nel.org>
Cc:     Philipp Zabel <p.zabel@...gutronix.de>,
        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
Subject: Re: [PATCH v3 3/7] Documentation: media: Document V4L2_CTRL_TYPE_AREA

Hi Ricardo,

On Fri, Aug 23, 2019 at 02:37:33PM +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

Can an area be negative ?
I would set these fields to ">= 0" ">= 1" and ">= 0" respectively.

Thanks
   j

> +      - n/a
> +      - n/a
> +      - A struct :c:type:`v4l2_area`, containing the width and the height
> +        of a rectangular area.
>      * - ``V4L2_CTRL_TYPE_H264_SPS``
>        - n/a
>        - n/a
> --
> 2.23.0.rc1
>

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