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Audio Miniport Auxiliary Interfaces

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Some miniport drivers support auxiliary interfaces that are optional and provide access to specialized miniport driver capabilities. This section describes the auxiliary interfaces that are implemented by a miniport driver and exposed to the port driver.

The following interfaces are discussed in this section:

IMusicTechnology- Used to change the DirectMusic synthesizer technology that is specified in the data ranges for the DMus miniport driver's pins.

IPinCount - Provides a means for the miniport driver to dynamically monitor and manipulate its pin counts.

IPinName - Allows the port driver to dynamically update the name of an endpoint.

IAdapterPnpManagement - Allows adapters to register to receive PnP management messages.