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SubjectRe: Brightness control for MacBook Pro - Nvidia 9400
Matthew Garrett <> wrote:


>> If you know how one can determine which GPU is active, let me know. I
>> don't have this information at the moment.
> There's a _DSM method in the ACPI tables that you need to execute.

Is it exposed to userspace in any way? Or, better yet, could we have an
MBP backlight driver which would hide all of this from userspace?


Julien BLACHE <>
<> GPG KeyID 0xF5D65169

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