On Monday 10 June 2019 10:03:51 Xiaoxiao Liu wrote: > Hi Pali, Hi! > We register our CS19 device as ALPS_ONLY_TRACKSTICK device. > And let the V8 protocol function support the process of ALPS_ONLY_TRACKSTICK device. > > I want to confirm if this solution OK? Yes, it is fine. Just make sure that touchapad input device is not registered when this ALPS_ONLY_TRACKSTICK flag is set. So userspace would not see any fake/unavailable touchpad input device. > Xiaoxiao.Liu -- Pali Rohár pali.rohar@xxxxxxxxx