KEY_TAB 90 include/dt-bindings/input/linux-event-codes.h #define KEY_TAB 15 KEY_TAB 90 include/uapi/linux/input-event-codes.h #define KEY_TAB 15 KEY_TAB 90 scripts/dtc/include-prefixes/dt-bindings/input/linux-event-codes.h #define KEY_TAB 15