X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/c0f763db0474e6441ed313c208eaf9b34a2ca6b1..77adb2ba529973b99383fd4571f67eede3afcda4:/LUFA/Drivers/USB/Class/Device/AudioClassDevice.c

diff --git a/LUFA/Drivers/USB/Class/Device/AudioClassDevice.c b/LUFA/Drivers/USB/Class/Device/AudioClassDevice.c
index 1e91a6134..4f3cfd62d 100644
--- a/LUFA/Drivers/USB/Class/Device/AudioClassDevice.c
+++ b/LUFA/Drivers/USB/Class/Device/AudioClassDevice.c
@@ -44,7 +44,11 @@ void Audio_Device_ProcessControlRequest(USB_ClassInfo_Audio_Device_t* const Audi
 
 	if ((USB_ControlRequest.bmRequestType & CONTROL_REQTYPE_RECIPIENT) == REQREC_INTERFACE)
 	{
-		if ((USB_ControlRequest.wIndex & 0xFF) != AudioInterfaceInfo->Config.StreamingInterfaceNumber)
+		uint8_t InterfaceIndex = (USB_ControlRequest.wIndex & 0xFF);
+	
+		if ((InterfaceIndex != AudioInterfaceInfo->Config.ControlInterfaceNumber) &&
+		    (InterfaceIndex != AudioInterfaceInfo->Config.StreamingInterfaceNumber))
+		
 		  return;
 	}
 	else if ((USB_ControlRequest.bmRequestType & CONTROL_REQTYPE_RECIPIENT) == REQREC_ENDPOINT)