3.3.4.30 USB_HOST_AUDIO_V1_StreamingInterfaceGetFirst Function

C

USB_HOST_AUDIO_V1_RESULT USB_HOST_AUDIO_V1_StreamingInterfaceGetFirst(
    USB_HOST_AUDIO_V1_OBJ audioObj, 
    USB_HOST_AUDIO_V1_STREAMING_INTERFACE_OBJ* streamingInterfaceObj
);

Summary

This function will get the first streaming interface object from the attached Audio Device.

Precondition

The Audio v1.0 Device should have been attached.

Parameters


Parameters	Description
audioObj	Audio v1.0 client driver object.
streamingInterfaceObj	Pointer to an audio streaming interface object.

Returns

USB_HOST_AUDIO_V1_RESULT_SUCCESS - The request completed successfully
USB_HOST_AUDIO_V1_RESULT_END_OF_STREAMING_INTERFACE - No more streaming interfaces are available
USB_HOST_AUDIO_V1_RESULT_DEVICE_UNKNOWN - Device is not attached
USB_HOST_AUDIO_V1_RESULT_OBJ_INVALID - Audio Device object is invalid
USB_HOST_AUDIO_V1_RESULT_FAILURE - An error has occurred

Remarks

None.