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SubjectRe: [RFC PATCH] PM / Runtime: runtime: Add sysfs option for forcing runtime suspend
On Wed, 9 Sep 2015, Oliver Neukum wrote:

> On Tue, 2015-09-08 at 10:44 -0400, Alan Stern wrote:
> > It would not put the device into runtime suspend immediately, like you
> > are proposing. Instead it would mean the same as the "auto" mode,
> > except that remote wakeup should be disabled during runtime suspend.
>
> Hi,
>
> this proposal is incomplete. If you don't want remote wakeup you
> imply that input is no longer needed or possible. If that is
> already known, we can just as well inform the driver, so that
> it can cease IO for input.

Like I said, it was never implemented. For that reason, it was never
completely fleshed out.

> Yet that is not necessarily the only scenario. For example
> if you run a screensaver, you might not care for where the
> user touches the screen, but the event as such is valuable.

I suspect it's not worth the effort to distinguish between getting an
event with all the details and merely knowing that an event occurred.

Alan Stern



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