@@ -55,6 +55,19 @@ The sensor driver should support the following V4L2 controls:
The controls are used to register the camera location and rotation.
+In order to support rotating the image according to the above registered
+properties the sensor driver should support
+
+* `V4L2_CID_HFLIP`_
+* `V4L2_CID_VFLIP`_
+
+.. _V4L2_CID_HFLIP: https://www.kernel.org/doc/html/latest/userspace-api/media/v4l/control.html
+.. _V4L2_CID_VFLIP: https://www.kernel.org/doc/html/latest/userspace-api/media/v4l/control.html
+
+and have them writable from userspace. In case of a RAW Bayer sensors, drivers
+should correctly report if vertical/horizontal flips modify the Bayer pattern
+ordering by reporting the `V4L2_CTRL_FLAG_MODIFY_LAYOUT` control flag.
+
The sensor driver should implement support for the V4L2 Selection API,
specifically it should implement support for the
`VIDIOC_SUBDEV_G_SELECTION`_ ioctl with support for the following selection
Briefly document the optional requirement support for H/V flip controls. Signed-off-by: Jacopo Mondi <jacopo@jmondi.org> --- Documentation/sensor_driver_requirements.rst | 13 +++++++++++++ 1 file changed, 13 insertions(+)