X-Git-Url: http://git.linex4red.de/pub/lufa.git/blobdiff_plain/524decdeb3a0a4c7adbeb4af906556e7bc6dd77c..b221e7d175e4b5ca463fdd6d05b8c3fc71bd7c40:/LUFA/Drivers/USB/Class/Host/HID.c

diff --git a/LUFA/Drivers/USB/Class/Host/HID.c b/LUFA/Drivers/USB/Class/Host/HID.c
index 15106cee1..11dfb67ad 100644
--- a/LUFA/Drivers/USB/Class/Host/HID.c
+++ b/LUFA/Drivers/USB/Class/Host/HID.c
@@ -60,14 +60,16 @@ uint8_t HID_Host_ConfigurePipes(USB_ClassInfo_HID_Host_t* HIDInterfaceInfo, uint
 	} while (HIDInterfaceInfo->Config.HIDInterfaceProtocol &&
 	         (CurrentHIDInterface->Protocol != HIDInterfaceInfo->Config.HIDInterfaceProtocol));
 
-	HIDInterfaceInfo->State.InterfaceNumber	     =
-	#if defined(USE_NONSTANDARD_DESCRIPTOR_NAMES)
-	                     CurrentHIDInterface->InterfaceNumber;
-	#else
-	                     CurrentHIDInterface->bInterfaceNumber;
-	#endif
+	HIDInterfaceInfo->State.InterfaceNumber      = CurrentHIDInterface->InterfaceNumber;
 	HIDInterfaceInfo->State.SupportsBootSubClass = (CurrentHIDInterface->SubClass != 0);
 
+	if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData, DComp_NextHID) != DESCRIPTOR_SEARCH_COMP_Found)
+	{
+		return HID_ENUMERROR_NoHIDDescriptorFound;
+	}
+
+	HIDInterfaceInfo->State.HIDReportSize = DESCRIPTOR_CAST(ConfigDescriptorData, USB_HID_Descriptor_t).HIDReportLength;
+
 	while (FoundEndpoints != (HID_FOUND_DATAPIPE_IN | HID_FOUND_DATAPIPE_OUT))
 	{
 		if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
@@ -117,6 +119,16 @@ static uint8_t DComp_HID_Host_NextHIDInterface(void* CurrentDescriptor)
 	return DESCRIPTOR_SEARCH_NotFound;
 }
 
+static uint8_t DComp_NextHID(void* CurrentDescriptor)
+{
+	if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_HID)
+	  return DESCRIPTOR_SEARCH_Found;
+	else if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface)
+	  return DESCRIPTOR_SEARCH_Fail;
+	else
+	  return DESCRIPTOR_SEARCH_NotFound;	  
+}
+
 static uint8_t DComp_HID_Host_NextHIDInterfaceEndpoint(void* CurrentDescriptor)
 {
 	if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Endpoint)
@@ -170,6 +182,9 @@ uint8_t USB_HID_Host_SetProtocol(USB_ClassInfo_HID_Host_t* HIDInterfaceInfo, boo
 
 	Pipe_SelectPipe(PIPE_CONTROLPIPE);
 	
+	if (UseReportProtocol && !(HIDInterfaceInfo->State.SupportsBootSubClass))
+	  return MS_ERROR_UNSUPPORTED;
+	
 	return USB_Host_SendControlRequest(NULL);
 }