KEY_CALC 218 include/dt-bindings/input/linux-event-codes.h #define KEY_CALC 140 /* AL Calculator */ KEY_CALC 218 include/uapi/linux/input-event-codes.h #define KEY_CALC 140 /* AL Calculator */ KEY_CALC 218 scripts/dtc/include-prefixes/dt-bindings/input/linux-event-codes.h #define KEY_CALC 140 /* AL Calculator */