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Re: PowerBook G4 screen in Debian not as bright as Mac OS X or OpenBSD



On ven, 2007-08-10 at 21:07 +0000, Amit Uttamchandani wrote:
> However, I have a small issue with the brightness level. I had OpenBSD
> (4.1) and
> Mac OS X (10.4) installed at one point and the brightness level was
> much higher
> than what I have here in Debian. I installed pbbuttonsd and brightness
> keys were
> working but still can't get it as bright as OpenBSD or OS X. Searching
> the ppc
> mailinglist suggest the use of ikeys to give 15 brightness levels? But
> checking
> aptitude it seems that this package is out of date and would conflict
> with the
> installed pbbuttonsd. 

If you have the sysfs interface with radeon card, you can try to look
in /sys/class/backlight/radeonbl0/

Especially check for max_brightness and actual_brightness. If you want,
you can manually adjust it using:

echo 127 > /sys/class/backlight/radeonbl0/brightness

Regards,
-- 
Yves-Alexis



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