I have another dell laptop which with the new libinput stuff seems to provide a very small area for edge scrolling. Here is the info from running: [ola@olka linux64]$ sudo touchpad-edge-detector /dev/input/event6 [sudo] hasło użytkownika ola: Touchpad AlpsPS/2 ALPS GlidePoint on /dev/input/event6 Move one finger around the touchpad to detect the actual edges Kernel says: x [0..1023], y [0..767] Touchpad sends: x [85..947], y [154..726] /^C Touchpad has no resolution, size unknown Calculate resolution as: x axis: 1023/<width in mm> y axis: 767/<height in mm> Suggested udev rule: # <Laptop model description goes here> evdev:name:AlpsPS/2 ALPS GlidePoint:dmi:bvnDellInc.:bvrA12:bd11/19/2008:svnDellInc.:pnXPSM1530:pvr:rvnDellInc.:rn:rvr:cvnDellInc.:ct8:cvr:* EVDEV_ABS_00=85:947:<x resolution> EVDEV_ABS_01=154:726:<y resolution> Let me know if you need more info.
Created attachment 125936 [details] evemu.log Here the evemu log as well in case it is of any help.
Also the real size of the touchpad is 71x44 mm
PR submitted, closing, please reopen if it gets delayed or rejected or something. https://github.com/systemd/systemd/pull/4016
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