brightness controls don't work on HP laptop
as the title says...
does anyone have any idea how this can be fixed? The brightness buttons (Fn+F7-8) don't generate any key codes (as opposed to some other function keys which do). I guess this must be an ACPI problem. The laptop model is HP dv6450 and I'm running PCLinuxOS (it has ACPI enabled for battery, proc. throttling etc., but I doesn't have options for brightness control). So basically the LCD is on maximum intensity all the time and it is really annoying and battery consuming. I'm pretty much in a slump...so, any help is greatly appreciated.