On 10/7/19 1:35 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.za...@pengutronix.de>
> Signed-off-by: Ricardo Ribalda Delgado <riba...@kernel.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..6388668855d0 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 nanometers. The struct
> + :c:type:`v4l2_area` provides the width and the height in separate
> + fields to take into consideration asymmetric pixels and/or hardware
> + binning.
This still states that this control takes binning into account. I understood
that
we decided not to do that?
Regards,
Hans
> + The unit cell consists of the whole area of the pixel, sensitive and
> + non-sensitive.
> + This control is required for automatic calibration of sensors/cameras.
>
