TODO

 1
 2- The Frame Interval Monitor could be exported to v4l2-core for
 3  general use.
 4
 5- This media driver supports inheriting V4L2 controls to the
 6  video capture devices, from the subdevices in the capture device's
 7  pipeline. The controls for each capture device are updated in the
 8  link_notify callback when the pipeline is modified. This feature should be
 9  removed, userspace should use the subdev-based userspace API instead.
10
11- Similarly to the legacy control handling, legacy format handling where
12  formats on the video nodes are influenced by the active format of the
13  connected subdev should be removed.