NR_LOCK 117 drivers/tty/vt/keyboard.c NR_DEAD - 1, 255, 3, NR_SHIFT - 1, 255, NR_ASCII - 1, NR_LOCK - 1, NR_LOCK 118 drivers/tty/vt/keyboard.c 255, NR_LOCK - 1, 255, NR_BRL - 1