Symbol: KBD_UNBOUND_KEYCODE
drivers/accessibility/braille/braille_console.c
250
case KBD_UNBOUND_KEYCODE:
drivers/accessibility/speakup/main.c
2257
case KBD_UNBOUND_KEYCODE:
drivers/tty/vt/keyboard.c
1526
KBD_UNBOUND_KEYCODE, &param);