KEY_UNKNOWN       323 include/dt-bindings/input/linux-event-codes.h #define KEY_UNKNOWN		240
KEY_UNKNOWN       323 include/uapi/linux/input-event-codes.h #define KEY_UNKNOWN		240
KEY_UNKNOWN       323 scripts/dtc/include-prefixes/dt-bindings/input/linux-event-codes.h #define KEY_UNKNOWN		240