Re: [PATCH v3 3/7] Documentation: media: Document V4L2_CTRL_TYPE_AREA

From: Ricardo Ribalda Delgado
Date: Thu Sep 12 2019 - 06:52:12 EST


HI Jacopo

(Sorry for the late reply, I have been in holidays plus with plenty of
family matters)

On Mon, Aug 26, 2019 at 9:39 AM Jacopo Mondi <jacopo@xxxxxxxxxx> wrote:
>
> 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@xxxxxxxxxx>
> > Suggested-by: Hans Verkuil <hverkuil-cisco@xxxxxxxxx>
> > ---
> > 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.
>

Dont min, max and step only make sense for integer controls?

> 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
> >