Patent ID: 9591348
Date: 2017-03-07
CPC Classifications: G06F,H04N

Claim:
1. A method for controlling a High-Definition Multimedia Interface (HDMI) port in a device connected to an HDMI connector, the method comprising: providing a voltage signal having a first frequency at a first pin of the HDMI port, wherein the first frequency is non-zero; detecting a voltage at the first pin; determining, based at least in part on the voltage at the first pin, whether the HDMI port of the device is connected to an HDMI source device or an HDMI sink device; in response to determining that the HDMI port is connected to an HDMI source device, causing the HDMI port to act as an HDMI sink; and in response to determining that the HDMI port is connected to an HDMI sink device, causing the HDMI port to act as an HDMI source.