Fixes sparse warning:
drivers/video/backlight/l4f00242t03.c:28:21: error: dubious one-bit signed bitfield
Signed-off-by: NMariusz Kozlowski <mk@lab.zgora.pl>
Acked-by: NRichard Purdie <rpurdie@linux.intel.com>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>