Simplify ov9740_s_fmt.
Signed-off-by: NHans Verkuil <hans.verkuil@cisco.com>
Reported-by: NGuennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: NMauro Carvalho Chehab <mchehab@s-opensource.com>