BTN_B             383 include/dt-bindings/input/linux-event-codes.h #define BTN_B			BTN_EAST
BTN_B             383 include/uapi/linux/input-event-codes.h #define BTN_B			BTN_EAST
BTN_B             383 scripts/dtc/include-prefixes/dt-bindings/input/linux-event-codes.h #define BTN_B			BTN_EAST