[PATCH] Please test: new ACPI release (20041105) import

[Nate Lawson]

Warner Losh wrote:
>>I do suspect that this is a PCI power issue and not an ACPI issue, but
>>I'd like to know if it shows up on more models. It is most obvious when
>>playing a stream as the buffers keep emptying and the sound stops after
>>a short time. Music is clearly too fast and high pitched, but at 10%
>>overspeed, some may not notice. (Does Dr. Dre sound much different 10%
>>faster?)
> 
> I've flipped the sense of the PCI power sysctl in current.  Once
> that's sanner, we should investigate setting the power states on
> resume.  Not sure what to do about suspend, since I think that acpi
> has different notions of what D level to put a device in for different
> S levels and it would likely have to take care of that after giving
> the device a chance to save state.
> 
> Warner

I have a patch in my tree to do this.  I'll post it once it's 
well-tested.  At the moment, setting UART to D3 appears to hang the 
system and I'm not sure why.

-- 
Nate