Linux@Dell XPS/Inspiron

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My new Fedora 21 running on the nice Dell Inspiron with Touchscreen.

KDE works smoothly with both the touchpad and the touch display, I just had to tune the touch display with

xinput_calibrator

following this nice tutorial.

Today I tweaked the screen brightess. KDE uses steps of 10% – making things un-smooth.

From this post https://askubuntu.com/a/588016/401397 I just

sudo yum -y install xbacklight

And remapped the light up|down with

xbacklight -inc 10
xbacklight -dec 5

In this way I can fine tune up to 5%.

Get the keymap for the “win” button with:

# xinput --list
⎡ Virtual core pointer                          id=2    [master pointer  (3)]
⎜   ↳ Virtual core XTEST pointer                id=4    [slave  pointer  (2)]
⎜   ↳ ELAN Touchscreen Pen                      id=11   [slave  pointer  (2)]
⎜   ↳ ELAN Touchscreen                          id=12   [slave  pointer  (2)]
⎜   ↳ DLL0674:00 06CB:75DB UNKNOWN              id=13   [slave  pointer  (2)]
⎣ Virtual core keyboard                         id=3    [master keyboard (2)]
    ↳ Virtual core XTEST keyboard               id=5    [slave  keyboard (3)]
    ↳ Power Button                              id=6    [slave  keyboard (3)]
    ↳ Video Bus                                 id=7    [slave  keyboard (3)]
    ↳ Power Button                              id=8    [slave  keyboard (3)]
    ↳ Sleep Button                              id=9    [slave  keyboard (3)]
    ↳ Integrated_Webcam_HD                      id=10   [slave  keyboard (3)]
    ↳ AT Translated Set 2 keyboard              id=14   [slave  keyboard (3)] <-------this device!
    ↳ Dell WMI hotkeys                          id=16   [slave  keyboard (3)]

Then listen for changes with

#xinput --test 14
key press   134 
key release 134

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