3.3.4.35 USB_HOST_AUDIO_V1_StreamingInterfaceSettingGetFirst Function

C

USB_HOST_AUDIO_V1_RESULT USB_HOST_AUDIO_V1_StreamingInterfaceSettingGetFirst(
    USB_HOST_AUDIO_V1_OBJ audioObj, 
    USB_HOST_AUDIO_V1_STREAMING_INTERFACE_OBJ streamingInterfaceObj, 
    USB_HOST_AUDIO_V1_STREAMING_INTERFACE_SETTING_OBJ * interfaceSettingObj
);

Summary

This function gets the first streaming interface setting object within an audio streaming interface.

Precondition

The Audio v1.0 Device should have been attached.

Parameters


Parameters	Description
audioObj	Audio device object.
streamingInterfaceObj	Audio streaming interface object.
interfaceSettingObj	Pointer to the audio streaming interface setting object.

Returns

USB_HOST_AUDIO_V1_RESULT_SUCCESS - The request completed successfully
USB_HOST_AUDIO_V1_RESULT_END_OF_INTERFACE_SETTINGS - No more streaming interface settings 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.