KEY_KP4           150 include/dt-bindings/input/linux-event-codes.h #define KEY_KP4			75
KEY_KP4           150 include/uapi/linux/input-event-codes.h #define KEY_KP4			75
KEY_KP4           150 scripts/dtc/include-prefixes/dt-bindings/input/linux-event-codes.h #define KEY_KP4			75