On Mon 2015-09-21 10:38:46, Alan Stern wrote: > On Mon, 21 Sep 2015, Pavel Machek wrote: > > > > > In fact, then, what you need seems to be the feature discussed by Alan > > > > and me some time ago allowing remote wakeup do be disabled for runtime > > > > PM from user space as that in combination with autosuspend should > > > > address your use case. > > > > > > That, plus they want the touchscreen to go into runtime suspend > > > whenever the screen is off (was this not the main reason for the > > > patch?). > > > > > > It seems to me that it should be possible to arrange for this to happen > > > simply by making userspace close the touchscreen device when the screen > > > is turned off. Or am I missing something? > > > > Well... that's not what existing userspace expects. Your X windows > > server will not close the touchscreen. > > Surely that's a userspace issue, rather than a kernel problem? The X > server does have some notion of power management and power savings; why > not extend that notion to include touchscreens? Well... once upon a time, it was kernel job to mask differences between different hardware platforms. In a way, the hardware is "buggy" -- if your mouse clicked randomly when you were not holding it in your hand it would be buggy... and it would be nice for kernel to fix that "bug". Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html -- To unsubscribe from this list: send the line "unsubscribe linux-input" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
