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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

    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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