Patent ID: 9369753
Filing Date: 2016-06-14
CPC Classification: G06F,H04N

Claim Text:
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 at a first pin of the HDMI port, wherein the voltage signal has a first frequency; detecting a voltage at the first pin; detecting a voltage at a second pin of the HDMI port; comparing the voltage at the first pin to the voltage at the second pin; determining, based on the comparison of the voltage at the first pin to the voltage at the second 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.