From: Helge Deller <deller@gmx.de>
Date: Sun, 13 Jan 2008 23:01:13 +0000 (+0000)
Subject: backlight: Avoid unecessary driver callbacks
X-Git-Tag: v2.6.25-rc1~298^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=515524537999c1f107a0a7c7f74c034979c2c86d;p=pandora-kernel.git

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>
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