On Fri, 2016-06-24 at 09:14 +0200, Benjamin Tissoires wrote: > Looks like the same issue Andy is seeing on the Surface Book. So I > think my patch must have a bug where it resets the quirks set by > usbhid. And this is why we are screwed here. > Yes, I think that's likely. There doesn't seem to be an issue most of the time, so it's not a huge deal. > Regarding your disconnect issue, what happens I think is that you > disconnect it before the timeout of usb_submit_urb(), and so the usb > layer is stuck trying to access the device and can't access the newly > plugged one. If you wait enough (initial timeout + new timeout -> 20 > secs), then the device behaves properly again. > That is the behavior I have noticed. Is there any potential fix? Sincerely, Dennis Chen
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