backlight: lp855x_bl: simplify bl_get_brightness()
authorKim, Milo <Milo.Kim@ti.com>
Fri, 22 Feb 2013 00:44:07 +0000 (16:44 -0800)
committerLinus Torvalds <torvalds@linux-foundation.org>
Fri, 22 Feb 2013 01:22:25 +0000 (17:22 -0800)
commit9e9cdc89695d04359e2d67521199156549c12eb4
treeef138967a9b80c34f6c3c73ad194250bfa9520a8
parent26e8ccc223ebfd2047a96074f142544dc7062cfe
backlight: lp855x_bl: simplify bl_get_brightness()

Getting the brightness value is not critical, no need to read the actual
register value.  To simplify it, just return the 'bl->props.brightness'
value.  Then, lp855x_read_byte() can be removed, not used any more.

Signed-off-by: Milo(Woogyom) Kim <milo.kim@ti.com>
Acked-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
drivers/video/backlight/lp855x_bl.c