Code style fixes for the Device mode USB Audio Class driver to make it more in...

Code style fixes for the Device mode USB Audio Class driver to make it more in line with the style of the other library Device Class drivers.

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

@@ -143,26 +143,32 @@ bool Audio_Device_ConfigureEndpoints(USB_ClassInfo_Audio_Device_t* const AudioIn
 		uint16_t Size;
 		uint8_t  Type;
 		uint8_t  Direction;
+		bool     DoubleBanked;
 
 		if (EndpointNum == AudioInterfaceInfo->Config.DataINEndpointNumber)
 		{
 			Size         = AudioInterfaceInfo->Config.DataINEndpointSize;
 			Direction    = ENDPOINT_DIR_IN;
 			Type         = EP_TYPE_ISOCHRONOUS;
+			DoubleBanked = true;
 		}
 		else if (EndpointNum == AudioInterfaceInfo->Config.DataOUTEndpointNumber)
 		{
 			Size         = AudioInterfaceInfo->Config.DataOUTEndpointSize;
 			Direction    = ENDPOINT_DIR_OUT;
 			Type         = EP_TYPE_ISOCHRONOUS;
+			DoubleBanked = true;
 		}
 		else
 		{
 			continue;
 		}
 
-		if (!(Endpoint_ConfigureEndpoint(EndpointNum, Type, Direction, Size, ENDPOINT_BANK_DOUBLE)))
-		  return false;
+		if (!(Endpoint_ConfigureEndpoint(EndpointNum, Type, Direction, Size,
+		                                 DoubleBanked ? ENDPOINT_BANK_DOUBLE : ENDPOINT_BANK_SINGLE)))
+		{
+			return false;
+		}
 	}
 
 	return true;