New control to pass to userspace the width/height of a pixel. Which is
needed for 3D calibration and lens selection.
Signed-off-by: Ricardo Ribalda Delgado <ribalda@xxxxxxxxxx>
---
Documentation/media/uapi/v4l/ext-ctrls-camera.rst | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/Documentation/media/uapi/v4l/ext-ctrls-camera.rst b/Documentation/media/uapi/v4l/ext-ctrls-camera.rst
index 51c1d5c9eb00..670c57a6f622 100644
--- a/Documentation/media/uapi/v4l/ext-ctrls-camera.rst
+++ b/Documentation/media/uapi/v4l/ext-ctrls-camera.rst
@@ -510,6 +510,12 @@ enum v4l2_scene_mode -
value down. A value of zero stops the motion if one is in progress
and has no effect otherwise.
+``V4L2_CID_PIXEL_SIZE (struct)``
+ This control returns the pixel size in nanometres. The struct provides
+ the width and the height in separated fields to take into consideration
+ asymmetric pixels and/or hardware binning.
+ This control is required for automatic calibration of the sensor.
+
.. [#f1]
This control may be changed to a menu control in the future, if more
options are required.
--
2.23.0.rc1
