Added new incomplete AudioInputHost Host LowLevel demo.

Added missing Audio class control request definitions.

Added support for the Audio class GET STATUS request so that it is correctly ACKed when sent by the host.

LUFA/Drivers/USB/Class/Device/Audio.c

@@ -57,6 +57,13 @@ void Audio_Device_ProcessControlRequest(USB_ClassInfo_Audio_Device_t* const Audi
 			}
 
 			break;
+		case AUDIO_REQ_GetStatus:
+			if ((USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE)) ||
+			    (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_ENDPOINT)))
+			{
+				Endpoint_ClearSETUP();
+				Endpoint_ClearStatusStage();
+			}
 	}
 }