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



On Feb 20, 2008 9:30 AM, Ingo Saitz <Ingo.Saitz@stud.uni-hannover.de> wrote:
> fixed 462190 1:6.8.0-1
> thanks
>
> 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.
> > Unfortunately, these changes seem to break backlight on some laptops,
> > but not others.  I plan to try and sort this out better in the coming
>
> Seems like your plan did work out after all :)
>
> Although I saw nothing specific in the changelog, version 1:6.8.0-1 in
> unstable seems to fix this bug for my laptop. Feel free to close the
> bug.

I suspect it was this commit:

6524e33435a786f7de0064cdd1b04c1120d21593
RADEON: Implement proper (hopefully) BIOS/DRIVER interaction for COM bios

Glad to hear it works :)

Alex

>
> Thanks
>
>     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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