POLICY ENGINE STARTUP PROCEDURE FOR A DEFAULT PROVIDER IN USB POWER DELIVERY

摘要

An electronic device including a universal serial bus power delivery (USB-PD) port for at least the delivery of power, and a USB-PD controller to control a state of power delivery by the USB-PD port out of a plurality of states, wherein the USB-PD controller transitions the USB-PD port from an unpowered state to a check internal power state when the USB-PD port is ready to power the USB cable.