KEY_RIGHTALT 175 include/dt-bindings/input/linux-event-codes.h #define KEY_RIGHTALT 100 KEY_RIGHTALT 175 include/uapi/linux/input-event-codes.h #define KEY_RIGHTALT 100 KEY_RIGHTALT 175 scripts/dtc/include-prefixes/dt-bindings/input/linux-event-codes.h #define KEY_RIGHTALT 100