BTN_TRIGGER_HAPPY 616 drivers/hid/hid-input.c code += BTN_TRIGGER_HAPPY - 0x10; BTN_TRIGGER_HAPPY 622 drivers/hid/hid-input.c code += BTN_TRIGGER_HAPPY - 0x10; BTN_TRIGGER_HAPPY 1057 drivers/input/joydev.c .keybit = { [BIT_WORD(BTN_TRIGGER_HAPPY)] = BIT_MASK(BTN_TRIGGER_HAPPY) },