Three finger gesture to window overview is not working (AlpsPS/2 ALPS GlidePoint)
On a Dell Latitude E7250 (AlpsPS/2 ALPS GlidePoint) with Debian Sid/unstable and GNOME Shell 3.36.3, doing a three finger gesture in the GNOME Shell does not due anything.
libinput
sees the event GESTURE_SWIPE_BEGIN
though:
$ sudo libinput debug-events
[…]
-event1 DEVICE_ADDED AlpsPS/2 ALPS GlidePoint seat0 default group10 cap:pg size 98x51mm tap(dl off) left scroll-nat scroll-2fg-edge dwt-on
-event2 DEVICE_ADDED DELL Wireless hotkeys seat0 default group11 cap:k
event1 - AlpsPS/2 ALPS GlidePoint: kernel bug: Wrong slot count (4), reducing to 2
-event1 GESTURE_SWIPE_BEGIN +1.549s 3
event1 GESTURE_SWIPE_UPDATE +1.549s 3 -0.36/ 0.26 (-2.59/ 1.85 unaccelerated)
[…]