Clean up the Audio Device class driver control request Endpoint match logic.

[pub/USBasp.git] / 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 1bf1df4..1e91a61 100644 (file)
--- a/LUFA/Drivers/USB/Class/Device/AudioClassDevice.c
+++ b/LUFA/Drivers/USB/Class/Device/AudioClassDevice.c
@@ -49,16 +49,13 @@ void Audio_Device_ProcessControlRequest(USB_ClassInfo_Audio_Device_t* const Audi
        }
        else if ((USB_ControlRequest.bmRequestType & CONTROL_REQTYPE_RECIPIENT) == REQREC_ENDPOINT)
        {
-               bool EndpointFilterMatch = false;
-
-               EndpointFilterMatch |= (AudioInterfaceInfo->Config.DataINEndpointNumber &&
-                                       ((uint8_t)USB_ControlRequest.wIndex == (ENDPOINT_DIR_IN  | AudioInterfaceInfo->Config.DataINEndpointNumber)));
-
-               EndpointFilterMatch |= (AudioInterfaceInfo->Config.DataOUTEndpointNumber &&
-                                       ((uint8_t)USB_ControlRequest.wIndex == (ENDPOINT_DIR_OUT | AudioInterfaceInfo->Config.DataOUTEndpointNumber)));
-
-               if (!(EndpointFilterMatch))
-                 return;
+               uint8_t EndpointIndex = (USB_ControlRequest.wIndex & 0xFF);
+       
+               if ((EndpointIndex != (ENDPOINT_DIR_IN  | AudioInterfaceInfo->Config.DataINEndpointNumber)) &&
+                   (EndpointIndex != (ENDPOINT_DIR_OUT | AudioInterfaceInfo->Config.DataOUTEndpointNumber)))
+               {
+                       return;
+               }
        }
 
        switch (USB_ControlRequest.bRequest)