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.zabel@xxxxxxxxxxxxxx> > Signed-off-by: Ricardo Ribalda Delgado <ribalda@xxxxxxxxxx> > --- > 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. >