KEY_FN_F 542 include/dt-bindings/input/linux-event-codes.h #define KEY_FN_F 0x1e2 KEY_FN_F 542 include/uapi/linux/input-event-codes.h #define KEY_FN_F 0x1e2 KEY_FN_F 542 scripts/dtc/include-prefixes/dt-bindings/input/linux-event-codes.h #define KEY_FN_F 0x1e2