backlight: Catch invalid input in sysfs attributes

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Check input properly in backlight, echo > brightness should not turn off
the backlight.

[akpm@linux-foundation.org: coding-style fixes]
[akpm@linux-foundation.org: fix printk warning]
Signed-off-by: Pavel Machek <pavel@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>

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Pavel Machek 2008-12-03 08:43:48 +00:00 • committed by Richard Purdie

parent 866bbdba77

commit 9a2c61a921

1 changed files with 15 additions and 18 deletions

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33

drivers/video/backlight/backlight.c

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