BTN_TRIGGER_HAPPY21 674 include/dt-bindings/input/linux-event-codes.h #define BTN_TRIGGER_HAPPY21 0x2d4 BTN_TRIGGER_HAPPY21 674 include/uapi/linux/input-event-codes.h #define BTN_TRIGGER_HAPPY21 0x2d4 BTN_TRIGGER_HAPPY21 674 scripts/dtc/include-prefixes/dt-bindings/input/linux-event-codes.h #define BTN_TRIGGER_HAPPY21 0x2d4