On Mon, Mar 25, 2019 at 05:56:35PM +0200, Jonathan Chocron wrote: > On 3/25/19 14:58, Bjorn Helgaas wrote: > > I think you're actually looking for a AMZN0001 device, not a PNP0C02 > > device. Your firmware might have a PNP0C02 _HID and AMZN0001 _CID, but > > that's not relevant here since you're only filtering by AMZN0001. > > > Actually, the _HID is AMZN0001 and the _CID is PNP0C02, so that's why > I used PNP0C02 (to state that it is of this "type"). Please let me know if > you still think it should be changed, so I'll integrate it into v2. I do still think it should be changed, because there's nothing in the code that refers to PNP0C02. That _CID could be absent or could contain any other ID and it wouldn't make any difference to the driver. But if there's no device with _HID or _CID of AMZN0001, the driver will fail. Bjorn