BTN_THUMB2        367 include/dt-bindings/input/linux-event-codes.h #define BTN_THUMB2		0x122
BTN_THUMB2        367 include/uapi/linux/input-event-codes.h #define BTN_THUMB2		0x122
BTN_THUMB2        367 scripts/dtc/include-prefixes/dt-bindings/input/linux-event-codes.h #define BTN_THUMB2		0x122