rk27xx - use more correct function to map between percived lightness and PWM fill...
commitb7ab61fbcd9642ebbd4c1fdffcc5df933eb89e0e
authorwodz <wodz@a1c6a512-1295-4272-9138-f99709370657>
Tue, 19 Jul 2011 18:29:30 +0000 (19 18:29 +0000)
committerwodz <wodz@a1c6a512-1295-4272-9138-f99709370657>
Tue, 19 Jul 2011 18:29:30 +0000 (19 18:29 +0000)
tree799714f4724ff17898c56a5e773dc0615ee58672
parente0237c4f0c6e02fcfb6e82c8a1e2da0ca745d8c0
rk27xx - use more correct function to map between percived lightness and PWM fill factor when setting backlight brightness

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@30168 a1c6a512-1295-4272-9138-f99709370657
firmware/target/arm/rk27xx/backlight-rk27xx.c