https://bugs.kde.org/show_bug.cgi?id=497362
Bug ID: 497362
Summary: Brightness settings are not applied on startup
Classification: Plasma
Product: Powerdevil
Version: 6.2.4
Platform: Fedora RPMs
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: general
Assignee: plasma-b...@kde.org
Reporter: itumaykin+...@gmail.com
CC: natalie_clar...@yahoo.de
Target Milestone: ---
SUMMARY
Brightness and possibly other power profiles settings are not applied if
AC<->battery switch happens while the laptop is powered off.
STEPS TO REPRODUCE
1. Configure power profiles to have 100% on AC and 85% brightness on battery.
2. Plug AC power and power off the laptop.
3. Unplug AC power while the laptop is off.
4. Power on the laptop and login into Plasma
OBSERVED RESULT
Brightness is at 100%
EXPECTED RESULT
Brightness is at 85%
SOFTWARE/OS VERSIONS
Operating System: Fedora Linux 41
KDE Plasma Version: 6.2.4
KDE Frameworks Version: 6.8.0
Qt Version: 6.8.0
Kernel Version: 6.11.11-300.fc41.x86_64 (64-bit)
Graphics Platform: Wayland
Processors: 8 × 11th Gen Intel® Core™ i7-1165G7 @ 2.80GHz
Memory: 15.3 GiB of RAM
Graphics Processor: Mesa Intel® Xe Graphics
ADDITIONAL INFORMATION
I have configured power profiles via systemsettings to have 100% brightness on
AC and 85% brightness on battery. If I power off my laptop while it is on
battery power with brightness set to 85%, then plug AC while the laptop is off,
then power on the laptop, the brightness is at 85% instead of 100% after log in
to Plasma.
The opposite is also true as described in the steps above.
Maybe relevant: power-profiles-daemon or tuned are not installed, power is
managed via tlp.
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