Re: [PATCH 3/4] ACPI: thinkpad-acpi: disable backlight handler if ACPI generic could do it

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On Tue, 2007-10-09 at 08:59 +0100, Matthew Garrett wrote:
> On Tue, Oct 09, 2007 at 08:21:14AM +0200, Thomas Renninger wrote:
> 
> > IMO a config variable that compiles out brightness control totally makes
> > more sense (and video, is there any functionality in ThinkPad acpi
> > driver that does not get supported by the video driver?).
> 
> No, older Thinkpads don't implement the video extension. It needs to be 
> handled at runtime.

Why?
If you have a recent Lenovo you don't need all this compiled in and do
not set it. Otherwise you add it.

   Thomas


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