⎣ 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)]
       ↳ HD WebCam                                  id=10   [slave  keyboard (3)]
       ↳ AT Translated Set 2 keyboard               id=11   [slave  keyboard (3)]
       ↳ Acer WMI hotkeys                           id=13   [slave  keyboard (3)]