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linux/drivers/video/backlight/backlight.c
Helge Deller 5155245379 backlight: Avoid unecessary driver callbacks 
Avoid driver callbacks when the brightness hasn't changed since
they're not necessary.

Signed-off-by: Helge Deller <deller@gmx.de>
Signed-off-by: Richard Purdie <rpurdie@rpsys.net>
2008-02-07 09:31:52 +00:00

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