Patent ID: 7908637
Filing Date: 2011-03-15
Classification: G09G,H04N

Abstract:
1. A host in an open cable system including a cable card, the host comprising: a controller configured to collect High-Definition Multimedia Interface (HDMI) status information associated with a plurality of HDMI ports in response to a diagnostic request from the cable card through a central processing unit (CPU) interface between a CPU of the host and a CPU of the cable card, the CPU interface including a generic diagnostic resource assigning diagnostic identifiers to corresponding diagnostic items, respectively, and wherein one diagnostic identifier of the diagnostic identifiers is assigned to the HDMI status information, and wherein the generic diagnostic resource enables the cable card to request that the host generates the HDMI status information; and the controller further configured to forward the collected HDMI status information to the cable card and to cause the HDMI status information to be displayed, wherein the HDMI status information further includes information indicating whether each of peripheral devices linked to each of the HDMI ports uses HDMI or digital visual interface (DVI), and wherein when the HDMI status information includes multiple diagnostics corresponding to the plurality of HDMI ports, the multiple diagnostics are identified by the same diagnostic identifier, wherein the HDMI status information includes connect status information indicating whether a connection exists on each of the HDMI ports, host HDCP status information indicating whether a HDCP is enabled on each of the HDMI ports, device HDCP status information indicating a HDCP status of each of the peripheral devices connected to each of the HDMI ports, video format information indicating a current video format used on each of the HDMI ports, and audio information.