USB Libraries Help > USB Device Libraries > USB Audio 2.0 Device Library > Library Interface > b) Data Types and Constants > USB_DEVICE_AUDIO_V2_EVENT_RESPONSE_NONE Macro
MPLAB Harmony USB Stack
USB_DEVICE_AUDIO_V2_EVENT_RESPONSE_NONE Macro

USB Device Audio v2.0 Function Driver Event Handler Response None 

This is the definition of the Audio v2.0 Function Driver event handler response type none.

C
#define USB_DEVICE_AUDIO_V2_EVENT_RESPONSE_NONE 
Remarks

Intentionally defined to be empty.