On Mon, 2015-06-29 at 13:16 +0200, Jiri Kosina wrote: > On Mon, 29 Jun 2015, Oliver Neukum wrote: > > > > Last time we were testing this, autosuspend for USB HID devices was quite > > > a disaster. > > > > > > Do you have any idea whether udev developers tested the "autosuspend on by > > > default for USB HID devices" on reasonable set of devices? > > > > > > The culrpits that I remember from top of my head (it's been long time > > > ago): > > > > > > - the LEDs for suspended device go off. This is very confusing at least on > > > keyboards, and brings really bad user experience > > > > That is a bug. hidinput_count_leds() is supposed to prevent that. > > This is a HW property and nothing kernel can do about. I am not saying it > doesn't bring the LEDs up to a proper state again once auto-resumed. But I > hate the LEDs going off a few seconds after I stop typing (i.e. once the > keyboard gets auto-suspended). That is the point. Unless you give the option to override, they shouldn't autosuspend. Regards Oliver -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
