https://bugs.kde.org/show_bug.cgi?id=465256

            Bug ID: 465256
           Summary: Powerdevil not enabling external monitor brightness
                    controls despite ddcutil being detected
    Classification: Plasma
           Product: Powerdevil
           Version: master
          Platform: Compiled Sources
                OS: Linux
            Status: REPORTED
          Severity: normal
          Priority: NOR
         Component: general
          Assignee: plasma-b...@kde.org
          Reporter: kyle.de...@mykolab.com
                CC: m...@ratijas.tk
  Target Milestone: ---

Powerdevil isn't enabling external monitor brightness controls in the Battery
applet despite ddcutil being detected during compile time. ddcutil detects my
external monitor and I can change its brightness values with ddcutil manually.

PowerDevil service starts without issue, though there are these odd errors in
journalctl:

Feb 04 17:26:58 archlinux org_kde_powerdevil[483180]: org.kde.powerdevil:
org.kde.powerdevil.backlighthelper.brightness failed
Feb 04 17:26:58 archlinux org_kde_powerdevil[483180]: org.kde.powerdevil: The
profile  "AC" tried to activate "BrightnessControl" a non-existent action. This
is usually due to an installation problem, a configuration problem, or because
the action is not supported

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