This bug was fixed in the package libinput - 1.22.1-1ubuntu0.1
---------------
libinput (1.22.1-1ubuntu0.1) lunar; urgency=medium
* Disable pressure for Precision5680 2nd source touchpad (LP: #2023623)
- d/p/0001-quirks-Dell-Mayabay-Pressure-Pad.patch
-- Kai-Chuan Hsieh <[email protected]> Thu, 15 Jun 2023
11:39:41 +0800
** Changed in: libinput (Ubuntu Lunar)
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/2023623
Title:
[SRU] Disable pressure for Precision5680 2nd source touchpad
Status in OEM Priority Project:
New
Status in libinput package in Ubuntu:
Fix Released
Status in libinput source package in Jammy:
Fix Released
Status in libinput source package in Lunar:
Fix Released
Bug description:
[ Impact ]
* libinput will detect contact size by pressure if the touchpad
report pressure event, and it has threshold need to be tuned, however,
the tuning might need be done every time if the touchpad firmware
update. To relieve the workload, touchpad vendor decide to disable
pressure event for libinput in upstream.
* It will disable pressure event for i2c touchpad vid 0x06cb pid
0xcfa0
[ Test Plan ]
* on Dell precision 5680 with touchpad vid:0x06cb pid:0xcfa0
* 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/-/merge_requests/869
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