USB Device Audio Function Driver Set and Get request data. 

This data type defines the data structure returned by the driver along with the USB_DEVICE_AUDIO_EVENT_CONTROL_SET_XXX, USB_DEVICE_AUDIO_EVENT_ENTITY_SET_MEM, USB_DEVICE_AUDIO_EVENT_CONTROL_GET_XXX and USB_DEVICE_AUDIO_EVENT_ENTITY_GET_MEM events.

typedef USB_AUDIO_CONTROL_INTERFACE_REQUEST USB_DEVICE_AUDIO_EVENT_DATA_CONTROL_SET_CUR;

None.