This bug was fixed in the package libinput - 1.22.0-1ubuntu1
---------------
libinput (1.22.0-1ubuntu1) lunar; urgency=medium
* Disable pressure for not detecting contact size (LP: #2002609)
- d/p/0001-quirks-add-quirks-for-Dell-Precision5680-Touchpad.patch
Disable the pressure handling for the touchpad.
-- Kai-Chuan Hsieh <kaichuan.hs...@canonical.com> Thu, 12 Jan 2023
16:20:42 +0800
** Changed in: libinput (Ubuntu)
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/2002609
Title:
[SRU] Disable pressure for not detecting contact size
Status in OEM Priority Project:
New
Status in libinput package in Ubuntu:
Fix Released
Status in libinput source package in Jammy:
Fix Committed
Status in libinput source package in Kinetic:
Fix Committed
Bug description:
[ Impact ]
* Dell's platform has a touchpad report pressure capability
* The predefined threshold for the touchpad cause the user experience
bad
* Disable pressure event handling to align with upstream
[ Test Plan ]
* on Dell precision 5680 with touchpad vid:0x27c6 pid:0x0f60
* check left/right button
* check 2 fingers scrolling
* check 1 finger drag and drop
* check 2 fingers drag and drop
[ Where problems could occur ]
* The quirk match the PID VID only, it won't impact other touchpad
[ Other Info ]
*
https://gitlab.freedesktop.org/libinput/libinput/-/commit/29a49e968e67eb7bf6d63c9f93b06ee983772018
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