BTN_BASE          371 include/dt-bindings/input/linux-event-codes.h #define BTN_BASE		0x126
BTN_BASE          371 include/uapi/linux/input-event-codes.h #define BTN_BASE		0x126
BTN_BASE          371 scripts/dtc/include-prefixes/dt-bindings/input/linux-event-codes.h #define BTN_BASE		0x126