https://bugs.kde.org/show_bug.cgi?id=525538
Bug ID: 525538
Summary: Brightness slider doesn't work on S2721DGF
Classification: Plasma
Product: KScreen
Version First 6.7.5
Reported In:
Platform: CachyOS
OS: Linux
Status: REPORTED
Severity: minor
Priority: NOR
Component: common
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
The KDE brightness slider (neither widget nor Display Configuration menu) does
not work for the Dell S2721DGF. It works for the Dell P2419H, though. Both
monitors are connected through DisplayPort. "ddcutil --display 1 setvcp 10 80"
works.
Steps to reproduce:
1. Connect an S2721DGF.
2. Try to change the brightness with the slider.
Observed result:
Slider doesn't change brightness.
Expected result:
Slider should change brightness.
kinfo:
Operating System: CachyOS Linux
KDE Plasma Version: 6.7.5
KDE Frameworks Version: 6.30.0
Qt Version: 6.11.2
Kernel Version: 7.2.4-1-cachyos (64-bit)
Graphics Platform: Wayland
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