On Wed, 2014-10-29 at 16:26 -0400, Theodore Ts'o wrote: > On Wed, Oct 29, 2014 at 12:19:56PM -0700, Andy Lutomirski wrote: > > For a tablet, isn't the relevant piece of information whether the power > > button was recently pressed, not whether the power button caused the wakeup? > > For Android L devices, it has been reported that the device might > power up its screen fully (note I didn't say 'wake up') automatically > when it detects that you are picking it up, or when you double-tap the > screen.
Power up the screen or the touchscreen? > It also reportedly has a low power black and white "ambient > display" (ala the Android Wear devics) which allows you to see > notifications without waking up the phone all the way[1]. (All of > this assuming appropriate hardware support, of course.) > > [1] http://www.androidauthority.com/ambient-display-lollipop-541198/ > > Which goes back to the concept of having a "suspend" mode is legacy > thinking. Modern devices will soon have not just a "awake" and a > "asleep" modes; there will be (well, is now) a much wider spectrum of > modes, with the goal of using the minimum amount of power while still > providing use functionality to the user. We still have a huge install base that does use suspend though, and for which this information would be useful. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
