There is no need to return -EIO, because backlight_device_register()
already returns correct error values.
Signed-off-by: NJingoo Han <jg1.han@samsung.com>
Acked-by: NDaniel Jeong <daniel.jeong@ti.com>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>