I alreaddy tried that, but this is what I get root@michal-tablet:~# getkeycodes Plain scancodes xx (hex) versus keycodes (dec) 0 is an error; for 1-88 (0x01-0x58) scancode equals keycode KDGETKEYCODE: No such device failed to get keycode for scancode 0x59 <div class="gmail_quote"><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;"><div class="Ih2E3d"> > > To be honest, I can't swear. I used hexadecimal form of 464 and in > /usr/include/linux/input.h is such key defined as: > > #define KEY_FN                  0x1d0 </div>This is the keycode to which the scancode of your key is currently mapped. 'getkeycodes' as root should help you retrieve the initial scancode. -- Sébastien Mazy </blockquote></div>