BTN_TRIGGER_HAPPY15  668 include/dt-bindings/input/linux-event-codes.h #define BTN_TRIGGER_HAPPY15		0x2ce
BTN_TRIGGER_HAPPY15  668 include/uapi/linux/input-event-codes.h #define BTN_TRIGGER_HAPPY15		0x2ce
BTN_TRIGGER_HAPPY15  668 scripts/dtc/include-prefixes/dt-bindings/input/linux-event-codes.h #define BTN_TRIGGER_HAPPY15		0x2ce