BTN_3             346 include/dt-bindings/input/linux-event-codes.h #define BTN_3			0x103
BTN_3             346 include/uapi/linux/input-event-codes.h #define BTN_3			0x103
BTN_3             346 scripts/dtc/include-prefixes/dt-bindings/input/linux-event-codes.h #define BTN_3			0x103