Currently capturing grey format produces page faults
on both selfpath and mainpath. To support greyscale
we can capture YUV422 planar format and configure the U, V
buffers to the dummy buffer.
Signed-off-by: Dafna Hirschfeld <dafna.hirschfeld@collabora.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>