BTN_7 350 include/dt-bindings/input/linux-event-codes.h #define BTN_7 0x107 BTN_7 350 include/uapi/linux/input-event-codes.h #define BTN_7 0x107 BTN_7 350 scripts/dtc/include-prefixes/dt-bindings/input/linux-event-codes.h #define BTN_7 0x107