Hi! > this patch enables full runtime power management for usbhid. > Currently usbhid supports autosuspend only upon open and close. Thus > it is useless for devices which are always opened, such as keyboards > and mice. This patch enables the use of remote wakeup for devices that > support it. > > It suspends idle usb hid devices after a timeout if possible unless > > - hiddev has opened the device > - error handling is under way > - a key is being held down > (keyboards don't signal remote wakeup upon release of a key) > - an led is active on the device > (leds use too much power for a suspend device to keep lit - > this can be overridden with a module parameter) Hmm... so numlock now costs ~3W... perhaps we should be defaulting to numlock=off, again? Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html _______________________________________________ linux-pm mailing list linux-pm@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/linux-pm
