Re: [PATCH v7 4/5] media: Documentation: Add ST VGXY61 driver documentation

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Hi Benjamin,

On Tue, Oct 11, 2022 at 02:30:29PM +0200, Benjamin Mugnier wrote:
> Document V4L2_CID_HDR_MODE possible values for this sensor.
> 
> Signed-off-by: Benjamin Mugnier <benjamin.mugnier@xxxxxxxxxxx>
> ---
>  .../userspace-api/media/drivers/st-vgxy61.rst | 23 +++++++++++++++++++
>  1 file changed, 23 insertions(+)
>  create mode 100644 Documentation/userspace-api/media/drivers/st-vgxy61.rst
> 
> diff --git a/Documentation/userspace-api/media/drivers/st-vgxy61.rst b/Documentation/userspace-api/media/drivers/st-vgxy61.rst
> new file mode 100644
> index 000000000000..213b884dcfa6
> --- /dev/null
> +++ b/Documentation/userspace-api/media/drivers/st-vgxy61.rst
> @@ -0,0 +1,23 @@
> +.. SPDX-License-Identifier: GPL-2.0
> +
> +ST VGXY61 camera sensor driver
> +==============================
> +
> +The ST VGXY61 driver implements the following controls:
> +
> +``V4L2_CID_HDR_SENSOR_MODE``
> +-------------------------------
> +    Change the sensor HDR mode. A HDR picture is obtained by merging two captures of the same scene
> +    using two different exposure periods.
> +
> +.. flat-table::
> +    :header-rows:  0
> +    :stub-columns: 0
> +    :widths:       1 4
> +
> +    * - HDR linearize
> +      - The merger outputs a long exposure capture as long as it is not saturated.
> +    * - HDR substraction
> +      - This involves subtracting the short exposure frame from the long exposure frame.
> +    * - "No HDR"
> +      - This mode is used for standard dynamic range (SDR) exposures.

I wonder if it would be helpful for the user space to have macros to define
these values.

The lines should be wrapped at 80, too. I'll do that while applying...

-- 
Sakari Ailus



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