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List:       kde-panel-devel
Subject:    [Powerdevil] [Bug 343631] New: With "buttons event handling" set to "turn off screen", screen does n
From:       Oded Arbel <oded () geek ! co ! il>
Date:       2015-01-31 19:15:35
Message-ID: bug-343631-165951 () http ! bugs ! kde ! org/
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https://bugs.kde.org/show_bug.cgi?id=343631

            Bug ID: 343631
           Summary: With "buttons event handling" set to "turn off
                    screen", screen does not turn off
           Product: Powerdevil
           Version: 5.2.0
          Platform: Kubuntu Packages
                OS: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: NOR
         Component: general
          Assignee: plasma-devel@kde.org
          Reporter: oded@geek.co.il

Using "Energy Saving" configuration module, under "On AC Power", I've checked
"Buttons events handling" and set "When laptop lid is closed" to "Turn off
screen", but when I close the lid, I can still see that the screen is turned
off as there is light leakage around the edge of the screen.

If I set it to "Lock screen", the screen does lock - but stays on.

My setting is also for the system to suspend if lid is closed when running on
battery, and that works fine.

Reproducible: Always

Steps to Reproduce:
1. Under "Energy Saving" configuration, set screen to turn off when the lid is
closed.
2. Close the lid

Actual Results:  
Screen stays on

Expected Results:  
Screen should turn off

Running the following script on my computer does seem to turn the screen off
and on according to the lid state:

while true; do sleep 1; case $(awk '{print$2}'
/proc/acpi/button/lid/LID0/state) in open) xset -display :0 dpms force on;;
closed) xset -display :0 dpms force off;; esac; done

My system is: Dell Latitude E5440; NVidia Optimus; Kubuntu 15.04; NVidia Prime
not installed and boot up display set to Intel.

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