linux-kernel - Re: [PATCH v9 6/8] Documentation: media: Describe V4L2_CID_UNIT_CELL

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Message-ID: <8ccd040e-dc1b-7664-c245-5e016c51a50d@xs4all.nl>
Date:   Fri, 4 Oct 2019 12:26:58 +0200
From:   Hans Verkuil <hverkuil-cisco@...all.nl>
To:     Ricardo Ribalda Delgado <ribalda@...nel.org>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        Jacopo Mondi <jacopo@...ndi.org>, linux-media@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v9 6/8] Documentation: media: Describe
 V4L2_CID_UNIT_CELL_SIZE

On 10/1/19 1:24 PM, Ricardo Ribalda Delgado wrote:
> New control to pass to userspace the width/height of a pixel. Which is
> needed for calibration and lens selection.
> 
> Reviewed-by: Philipp Zabel <p.zabel@...gutronix.de>
> Signed-off-by: Ricardo Ribalda Delgado <ribalda@...nel.org>
> ---
>  Documentation/media/uapi/v4l/ext-ctrls-image-source.rst | 9 +++++++++
>  1 file changed, 9 insertions(+)
> 
> diff --git a/Documentation/media/uapi/v4l/ext-ctrls-image-source.rst b/Documentation/media/uapi/v4l/ext-ctrls-image-source.rst
> index 2c3ab5796d76..033672dcb43d 100644
> --- a/Documentation/media/uapi/v4l/ext-ctrls-image-source.rst
> +++ b/Documentation/media/uapi/v4l/ext-ctrls-image-source.rst
> @@ -55,3 +55,12 @@ Image Source Control IDs
>  
>  ``V4L2_CID_TEST_PATTERN_GREENB (integer)``
>      Test pattern green (next to blue) colour component.
> +
> +``V4L2_CID_UNIT_CELL_SIZE (struct)``
> +    This control returns the unit cell size in nanometres. The struct

typo: nanometers

> +    :c:type:`v4l2_area` provides the width and the height in separated

separate

> +    fields to take into consideration asymmetric pixels and/or hardware
> +    binning.
> +    The unit cell consists of the whole area of the pixel, sensitive and
> +    non-sensitive.
> +    This control is required for automatic calibration sensors/cameras.

add 'of' after 'calibration'.

Regards,

	Hans

>