Re: [RFC] input: syfs switches for SKE keypad

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On Wed, 13 Oct 2010, Rafael J. Wysocki wrote:

> On Wednesday, October 13, 2010, Sundar wrote:
> > On Wed, Oct 13, 2010 at 11:12 PM, Sundar <sunder.svit@xxxxxxxxx> wrote:
> > > On Wed, Oct 13, 2010 at 11:07 PM, Alan Stern <stern@xxxxxxxxxxxxxxxxxxx> wrote:
> > >>
> > >> Sorry, I don't quite understand your question.  I think it would be
> > >> okay to add an interface for userspace to cut short a runtime-suspend
> > >> delay, but I don't think anything more is needed.
> 
> I'm not 100% sure how that interface is supposed to work.  Can you elaborate
> a bit, please?

There could be a new attribute file, or we could use a blank line
written to autosuspend_delay_ms for this purpose.  Either way, the
result would be to call pm_runtime_suspend.  If the device is idle,
merely awaiting the timer expiration for a scheduled suspend or
autosuspend, this would cause it to suspend immediately.

Alan Stern

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