Re: Bug on ibm-acpi and hal regarding brightness keys

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On Thu, 05 Jul 2007, Richard Hughes wrote:
> On Wed, 2007-07-04 at 23:26 -0300, Henrique de Moraes Holschuh wrote:
> > If it does nothing, that means the end of thinkpad-acpi brightness
> > support for these thinkpads.  Your only hope will be that the standard
> > ACPI brightness interface works, or that someone reverse engineers
> > whichever new interface Lenovo decided to use. 
> 
> If it's anything like my n100 (non-thinkpad lenovo) then you can write a
> value to the ec address, but the value is only updated when you do a
> manual brightness up on the keyboard.

Argh.

Does Windows have *any* way to set the brightness? If it does, it is a
matter of someone that has such a thinkpad to reverse engineer and publish
the *DOCS* on how to do it, clean-room style.

-- 
  "One disk to rule them all, One disk to find them. One disk to bring
  them all and in the darkness grind them. In the Land of Redmond
  where the shadows lie." -- The Silicon Valley Tarot
  Henrique Holschuh

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