http://bugzilla.kernel.org/show_bug.cgi?id=13671





--- Comment #13 from Zhang Rui <[email protected]>  2009-07-10 01:03:06 ---
(In reply to comment #12)
> > please do the following test:
> > 1. set CONFIG_ASUS_LAPTOP and rebuild your kernel
> 
> CONFIG_ASUS_LAPTOP was not there in the configuration of linux-2.6.30. See for
> yourself in the attached kernel configuration.
>
please clear CONFIG_ACPI_ASUS to see the CONFIG_ASUS_LAPTOP option.

> > does the hotkey work this time?
> 
> As I described above. Before sleep states, the hotkey influences only the 
> value
> in /sys/class/backlight/acpi_video0/brightness without affecting the display.
> Display is at maximum. After sleepstates the hotkey IS affecting the display,
> although maximum value 15 is not the display brightness maximum (about half of
> the brightness). A reboot keeps the setting. Switching off and on again
> restores the maximum brightness.

does the hotkey work AFTER you set CONFIG_ASUS_LAPTOP and boot with
"acpi_backlight=vendor"?

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