Bug#462190: xserver-xorg-video-ati: backlight control doesn't work with Radeon Mobility M9

[Ingo Saitz]

Moin

On Wed, Jan 23, 2008 at 11:14:30AM -0500, Alex Deucher wrote:
> backlight control is an oem specific mess.  In order to fix lid
> support, we had do mess with some of the bios scratch regs.

Oh yes, the lid switch does not work, too. But that didn't bother me so
far... :)

> Unfortunately, these changes seem to break backlight on some laptops,
> but not others.

Maybe this should be an option in the xorg.conf file, if autodetecting
the method to deal with the backlight controls is not really easy? So
you could even cover new models which might need this messy fix.

    Ingo
-- 
„Wir wollen keinen gläsernen Menschen. Wir wollen einen gläsernen Verbrecher.“
    -- Siegfried Kauder, CDU

Wir haben jetzt den gläsernen Deutschen, wo bleibt der Verbrecher?
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