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SubjectRe: [RFD] Automatic suspend
On Mon, 16 Feb 2009 17:40:10 -0500 (EST)
Alan Stern <> 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

Arjan van de Ven Intel Open Source Technology Centre
For development, discussion and tips for power savings,

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