[Bug 245032] New: Monitor brightness can not be controlled by hotkeys CancelOk

[Hans Bakker]

https://bugs.kde.org/show_bug.cgi?id=245032

           Summary: Monitor brightness can not be controlled by hotkeys
                    CancelOk
           Product: kde
           Version: unspecified
          Platform: Ubuntu Packages
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: NOR
         Component: general
        AssignedTo: unassigned-bugs at kde.org
        ReportedBy: hansmbakker at gmail.com


Version:           unspecified (using KDE 4.4.0) 
OS:                Linux

Using Kubuntu 10.04
xserver-xorg-video-radeon 1:6.12.99+git20091125.0061c4db-0ubuntu1

In systemsettings, the Display Brightness Up and Down keys are correctly mapped
to the corresponding actions (in systemsettings -> Keyboard & Mouse -> Global
Keyboard Shortcuts; component: KDE Daemon).
When using PowerDevil or the brightness slider in the corresponding Plasma
applet the brightness can be controlled.

However, the display brightness does not respond to the keys.



xev correctly recognizes the buttons as XF86MonBrightnessDown and
XF86MonBrightnessUp.

In System Settings -> Keyboard & Mouse the display brightness keys are
correctly recognized as brightness up and down when clicking "Custom key" for a
random action and pressing those buttons.

This means that X11 and Qt do know that the buttons are pressed.

Probably the bug is in KDE, then?

Btw, this is a regression from Kubuntu 9.10.

At this moment when pressing the monitor brightness up or down key, KDE's
monitor brightness OSD pops up, but the brightness does not change (display
does not become brighter or less bright; the keys are assigned properly; I can
control the brightness using the plasma PowerDevil applet)

Reproducible: Always

Steps to Reproduce:
Press Brightness Up or Down key

Actual Results:  
The screen brightness OSD pops up but screen brightness does not change

Expected Results:  
The Brightness is adjusted

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