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SubjectRe: [PATCH 2/3] ideapad: Add nodes in sysfs
On 06/02/2011 05:48 PM, Corentin Chary wrote:
> Hi Ike,
> Why do you want to add /sys/devices/platform/ideapad/brightness and
> /sys/devices/platform/ideapad/backlight ?
> Both of these files should be handled by the generic backlight class
> (using brightness and bl_power).

This is within VPC2004. In DSDT they are different device from generic
backlight.

and I try bl_power but can not turning off power of whole LCD. No idea
how screensaver do it, looks like just cut off video signal.



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