http://bugzilla.kernel.org/show_bug.cgi?id=11949
------- Comment #7 from [EMAIL PROTECTED] 2008-11-04 18:13 -------
Problem: ACPI backlight I/F doesn't work.
I checked your BIOS and it uses a SMI call to ask BIOS to change the
backlight.
>From the test result, it seems that BIOS doesn't actually change the backlight,
while we can do nothing here from the OS perspective of view...
in order to make the hotkey work on your laptop, please do the following two
test.
1. try xbacklight/xrandr to see if it can change the backlight for you.
2. please kill acpid, run "cat /proc/acpi/event" and press the hotkey, then
attach the output.
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