After adding a const pointer to ctrl_ptr, lets use it where it make
sense.
Suggested-by: NHans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: NRicardo Ribalda Delgado <ribalda@kernel.org>
Signed-off-by: NHans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: NMauro Carvalho Chehab <mchehab@kernel.org>