Re: new fixes for sony-acpi

Matthew Garrett
2009-03-28T12:22:17Z

On Sat, Mar 28, 2009 at 09:41:12AM +0100, Matthias Welwarsky wrote:

> Looking at the somewhat twisted way the Sony DSDT code handles power
> management for the graphics adapters, I have my doubts that there will be a
> generic way. Of course a framework like for the rf kill switch could be
> useful, but the vendor and model specific code would end up in sony-laptop
> anyway.

The Dell XPS 13 has an identical _DSM despite having dual nvidia/nvidia
graphics. The _DSM code in the Vaio DSDT is also very stylistically
different to the rest of it, heavily supporting the idea that it's
nvidia-derived code.