KEY_F4            137 include/dt-bindings/input/linux-event-codes.h #define KEY_F4			62
KEY_F4            137 include/uapi/linux/input-event-codes.h #define KEY_F4			62
KEY_F4            137 scripts/dtc/include-prefixes/dt-bindings/input/linux-event-codes.h #define KEY_F4			62