Re: quirk ALWAYS_POLL needed with an unexpectedly high number of mice

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On Fri, 27 Mar 2015, Oliver Neukum wrote:

> > usbhid/hid-core.c already sets HID_QUIRK_NOGET for regular mice/keyboards [1].
> > Maybe adding ALLWAYS_POLL to those would make sense and solve your problem?
> 
> It would solve my problem, but it would do so at the expense of hurting 
> devices that operate correctly, but only by a small amount.
> 
> > BTW I am against having this quirk as the general default because we
> > rely on the usb autosuspend to shut off the touchscreens when no one
> > listen to them, and the touchscreens are draining a lot of power.
> 
> I see. As long as they support remote wakeup, autosuspend will
> still work. A source of remote wakeup, however, is allowed to
> draw more power while suspended.
> 
> Keeping things as is is fine by me but then I will need to add a lot of 
> quirky devices.

I am still surprised that all of a sudden there is such a large flow of 
new devices that need it, and we didn't have a single one a few months 
ago.

Given the fact that this all is being reported by single entitty, is it a 
possibility that they have some other faulty HW instead? Such as the HUB 
suspending at random incorrect points in time?

-- 
Jiri Kosina
SUSE Labs
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