No configured input actions for most of the Dell Studio XPS 16's hardware buttons

[jc1985]

Binary package hint: kdemultimedia

These multimedia buttons should work "out of the box", just as the "mute" "lower volume" and "increase volume" ones

KeyRelease event, serial 34, synthetic NO, window 0x4200001,
    root 0xa4, subw 0x0, time 24812794, (-1410,37), root:(245,60),
    state 0x0, keycode 173 (keysym 0x1008ff16, XF86AudioPrev), same_screen YES,
    XLookupString gives 0 bytes:
    XFilterEvent returns: False

KeyRelease event, serial 34, synthetic NO, window 0x4200001,
    root 0xa4, subw 0x0, time 24815406, (-1410,37), root:(245,60),
    state 0x0, keycode 174 (keysym 0x1008ff15, XF86AudioStop), same_screen YES,
    XLookupString gives 0 bytes:
    XFilterEvent returns: False

KeyRelease event, serial 34, synthetic NO, window 0x4200001,
    root 0xa4, subw 0x0, time 24816791, (-1410,37), root:(245,60),
    state 0x0, keycode 172 (keysym 0x1008ff14, XF86AudioPlay), same_screen YES,
    XLookupString gives 0 bytes:
    XFilterEvent returns: False

KeyPress event, serial 34, synthetic NO, window 0x4200001,
    root 0xa4, subw 0x0, time 24818789, (-1410,37), root:(245,60),
    state 0x0, keycode 171 (keysym 0x1008ff17, XF86AudioNext), same_screen YES,
    XLookupString gives 0 bytes:
    XmbLookupString gives 0 bytes:
    XFilterEvent returns: False