Messages in this thread | | | Date | Mon, 16 Feb 2009 14:56:55 -0800 | From | Arjan van de Ven <> | Subject | Re: [RFD] Automatic suspend |
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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.
-- 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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