https://bugs.kde.org/show_bug.cgi?id=528272

            Bug ID: 528272
           Summary: Brightness Keys Unrecognized on Framework Laptop 13
    Classification: Plasma
           Product: kwin
      Version First 6.6.6
       Reported In:
          Platform: NixOS
                OS: Linux
            Status: REPORTED
          Severity: minor
          Priority: NOR
         Component: input
          Assignee: [email protected]
          Reporter: [email protected]
                CC: [email protected]
  Target Milestone: ---

DESCRIPTION
Brightness up and down buttons do not work on the Framework Laptop 13's
keyboard inside of KDE Plasma's desktop and are unable to be bound to any
shortcut.

STEPS TO REPRODUCE
1. Log in to a Plasma Wayland session on a Framework Laptop 13 (AMD Ryzen 7040
   Series) running NixOS.
2. Press the brightness-up or brightness-down key (F8 / F7 with Fn lock off).
3. Notice that brightness has not changed.

OBSERVED RESULT
Screen brightness was not changed, no OSD appears and the key can not be
captured by the shortcut recorder.

EXPECTED RESULT
The brightness changes and the Plasma brightness OSD appears, and the key can
be captured by the shortcut recorder.

SOFTWARE/OS VERSIONS
Operating System: NixOS 26.05
KDE Plasma Version: 6.6.6
KDE Frameworks Version: 6.26.0
Qt Version: 6.11.2
Kernel Version: 6.18.60 (64-bit)
Graphics Platform: Wayland
Processors: 16 × AMD Ryzen 7 7840U w/ Radeon  780M Graphics
Memory: 32 GiB of RAM (30.7 GiB usable)
Graphics Processor: AMD Radeon 780M Graphics

ADDITIONAL INFORMATION
Brightness works though other routes (brightnessctl set 50%) and the keys work
in the cinnamon desktop env. The brightness slider in the system tray works as
expected. All other media keys work as expected. I was able to reproduce the
results with a fresh install in addition to my current install.

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