Comment 45 for bug 1887190

other info that might be useful are:
xinput list-props 20
````
Device 'MSFT0001:00 04F3:3140':
 Device Enabled (177): 1
 Coordinate Transformation Matrix (179): 1.000000, 0.000000, 0.000000, 0.000000, 1.000000, 0.000000, 0.000000, 0.000000, 1.000000
 libinput Natural Scrolling Enabled (339): 0
 libinput Natural Scrolling Enabled Default (340): 0
 libinput Scroll Methods Available (341): 0, 0, 1
 libinput Scroll Method Enabled (342): 0, 0, 1
 libinput Scroll Method Enabled Default (343): 0, 0, 1
 libinput Button Scrolling Button (358): 3
 libinput Button Scrolling Button Default (359): 3
 libinput Button Scrolling Button Lock Enabled (360): 0
 libinput Button Scrolling Button Lock Enabled Default (361): 0
 libinput Accel Speed (349): -1.000000
 libinput Accel Speed Default (350): 0.000000
 libinput Accel Profiles Available (362): 1, 1
 libinput Accel Profile Enabled (363): 1, 0
 libinput Accel Profile Enabled Default (364): 1, 0
 libinput Calibration Matrix (365): 1.000000, 0.000000, 0.000000, 0.000000, 1.000000, 0.000000, 0.000000, 0.000000, 1.000000
 libinput Calibration Matrix Default (366): 1.000000, 0.000000, 0.000000, 0.000000, 1.000000, 0.000000, 0.000000, 0.000000, 1.000000
 libinput Left Handed Enabled (351): 0
 libinput Left Handed Enabled Default (352): 0
 libinput Send Events Modes Available (353): 1, 0
 libinput Send Events Mode Enabled (354): 0, 0
 libinput Send Events Mode Enabled Default (355): 0, 0
 Device Node (297): "/dev/input/event15"
 Device Product ID (296): 1267, 12608
 libinput Drag Lock Buttons (356): <no items>
 libinput Horizontal Scroll Enabled (357): 1
````

and the output of: cat /dev/input/event15 is empty when I try to use the touchpad, meaning that it's not sending events to that device..