https://bugs.kde.org/show_bug.cgi?id=521464
Bug ID: 521464
Summary: Udev rules for LIBINPUT_CALIBRATION_MATRIX do not work
on wayland
Classification: Plasma
Product: kwin
Version First 6.6.5
Reported In:
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: libinput
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
DESCRIPTION
Udev rules for LIBINPUT_CALIBRATION_MATRIX do not work on wayland, they work on
the plasma's x11 session.
I have a device that has a touchscreen that is rotated by 180°, i use this udev
rule to fix it:
ENV{LIBINPUT_CALIBRATION_MATRIX}="-1 0 1 0 -1 1"
That rule works fine on x11 but doesn't work on wayland.
STEPS TO REPRODUCE
1. Apply the udev rule
2. reboot the computer
3. login again
OBSERVED RESULT
Touchscreen input is not working
EXPECTED RESULT
Touchscreen input should be rotated by 180°
SOFTWARE/OS VERSIONS
Operating System: CachyOS Linux
KDE Plasma Version: 6.6.5
KDE Frameworks Version: 6.27.0
Qt Version: 6.11.1
Kernel Version: 7.0.11-1-cachyos (64-bit)
Graphics Platform: offscreen
Processors: 4 × Intel® Celeron® N5095 @ 2.00GHz
Memory: 16 GiB of RAM (15.4 GiB usable)
ADDITIONAL INFORMATION
The behavior can be replicated on other Wayland environments, it also works
fine on other x11 desktop environments.
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