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SubjectRe: [RFD] Automatic suspend
On Mon, 16 Feb 2009 17:40:10 -0500 (EST)
Alan Stern <stern@rowland.harvard.edu> wrote:

> On Mon, 16 Feb 2009, Rafael J. Wysocki wrote:
>
> > OK, so I think there are two things that user space may be allowed
> > to do as far as putting devices into low power states is concerned:
> > * disable/enable the automatic power management of the device
> > (provided that the driver supports the automatic PM)
>
> Set the automatic PM parameters (idle timeout, state to go to,
> etc.). And disabling automatic PM altogether (effectively the same as
> setting the idle timeout to infinity).
>

shouldn't idle timeout etc be internal to the driver?
Yes policy preferences / constraints makes sense to communicate,
actual settings do not. For one they keep changing fast all the time
anyway.



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Arjan van de Ven Intel Open Source Technology Centre
For development, discussion and tips for power savings,
visit http://www.lesswatts.org


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