On Tuesday, October 12, 2010, Alan Stern wrote: > On Tue, 12 Oct 2010, Rafael J. Wysocki wrote: > > > It seems to me that for some devices it might be more convenient to have > > an "execute pm_runtime_idle() for this device right now" sysfs trigger > > (and analogously for resume). > > Indeed, or even "execute pm_runtime_suspend()". If the driver uses > autosuspend then the runtime_idle callback will call > pm_runtime_autosuspend, which won't do what you want. > > > Anyway, please note that the scenario in which the driver detects inactivity > > and suspends the device in response is not the only one possible. The other > > one is that the driver is told to suspend the device and then blocks apps > > wanting to access it until resumed. > > But it initiates a resume as soon as an app tries to use the device, > right? Otherwise you've got a "sticky off", as Dmitry would say. Yes, that's the "sticky off" thing. Rafael _______________________________________________ linux-pm mailing list linux-pm@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/linux-pm
