This updates the driver to use the managed gpiod interface
instead of the unmanged old GPIO API. This is a preperation
for the introduction of device tree support.
Signed-off-by: NSebastian Reichel <sre@kernel.org>
Signed-off-by: NHans Verkuil <hans.verkuil@cisco.com>
[hans.verkuil@cisco.com: fixed trivial compiler warning]
Signed-off-by: NMauro Carvalho Chehab <mchehab@osg.samsung.com>