BTN_STYLUS3
[BTN_STYLUS3] = "Stylus3", [BTN_TOOL_QUINTTAP] = "ToolQuintTap",
input_set_capability(input, EV_KEY, BTN_STYLUS3);
wacom_map_usage(input, usage, field, EV_KEY, BTN_STYLUS3, 0);
input_report_key(input, BTN_STYLUS3, wacom_wac->hid_data.barrelswitch3);
input_report_key(input, BTN_STYLUS3, 0);