Bug 446536 - Setting brightness via keyboard shortcuts not working
Summary: Setting brightness via keyboard shortcuts not working
Status: REPORTED
Alias: None
Product: plasmashell
Classification: Plasma
Component: Power management & brightness (show other bugs)
Version: 6.2.4
Platform: Neon Linux
: NOR normal
Target Milestone: 1.0
Assignee: Plasma Bugs List
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2021-12-05 23:08 UTC by Peter Shkenev
Modified: 2024-12-18 21:40 UTC (History)
2 users (show)

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Description Peter Shkenev 2021-12-05 23:08:51 UTC 
Setting brightness via keyboard shortcuts not working in KDE neon Testing Edition

STEPS TO REPRODUCE
1. Try to set brightness with keyboard shortcuts: fn + up/down in my case

OBSERVED RESULT
Brightness level is not changing

EXPECTED RESULT
Brightness level should change

SOFTWARE/OS VERSIONS
Linux/KDE Plasma: KDE neon Testing Edition
KDE Plasma Version: 5.23.4
KDE Frameworks Version: 5.89.0
Qt Version: 5.15.3

ADDITIONAL INFORMATION
Using Wayland session
GPU is Intel UHD Graphics 605
Tried setting brightness via settings - power management, and it didn't work.
Comment 1 Nicolas Fella 2021-12-06 22:35:19 UTC 
Can you check whether the process "org_kde_powerdevil" is running?
Comment 2 Peter Shkenev 2021-12-06 23:02:22 UTC 
(In reply to Nicolas Fella from comment #1)
> Can you check whether the process "org_kde_powerdevil" is running?

Yes, org_kde_powerdevil is running
Comment 3 quackdoctech 2022-07-08 04:42:05 UTC 
I am having a similar issue Lenovo B570 sandybridge laptop

writing directly to /sys/class/backlight/intel_backlight/brightness successfully changes brightness