The 'client' field within the 'ov4689' structure is solely used to
access its 'dev' member. This commit removes the 'client' field and
directly stores a pointer to the 'struct device'.
Signed-off-by: Mikhail Rudenko <mike.rudenko@gmail.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>