BTN_WEST 387 include/dt-bindings/input/linux-event-codes.h #define BTN_WEST 0x134 BTN_WEST 387 include/uapi/linux/input-event-codes.h #define BTN_WEST 0x134 BTN_WEST 387 scripts/dtc/include-prefixes/dt-bindings/input/linux-event-codes.h #define BTN_WEST 0x134