On Fri, 2019-08-23 at 14:37 +0200, Ricardo Ribalda Delgado wrote: > New control to pass to userspace the width/height of a pixel. Which is > needed for calibration and lens selection. > > Signed-off-by: Ricardo Ribalda Delgado <ribalda@xxxxxxxxxx> > --- > Documentation/media/uapi/v4l/ext-ctrls-image-source.rst | 8 ++++++++ > 1 file changed, 8 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..6e728accf67b 100644 > --- a/Documentation/media/uapi/v4l/ext-ctrls-image-source.rst > +++ b/Documentation/media/uapi/v4l/ext-ctrls-image-source.rst > @@ -55,3 +55,11 @@ 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 provides > + the width and the height in separated 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. Can we have a link from here to the struct v4l2_area documentation? regards Philipp
