Fixed AVRISP-MKII Clone compile warning on AVR8 U4 targets even when NO_VTARGET_DETEC...

[pub/USBasp.git] / LUFA / Drivers / USB / Class / Host / Printer.h

diff --git a/LUFA/Drivers/USB/Class/Host/Printer.h b/LUFA/Drivers/USB/Class/Host/Printer.h
index 585142d..9f5c816 100644 (file)
--- a/LUFA/Drivers/USB/Class/Host/Printer.h
+++ b/LUFA/Drivers/USB/Class/Host/Printer.h
@@ -105,6 +105,7 @@
                        } USB_ClassInfo_PRNT_Host_t;
 
                /* Enums: */
+                       /** Enum for the possible error codes returned by the \ref PRNT_Host_ConfigurePipes() function. */
                        enum PRNT_Host_EnumerationFailure_ErrorCodes_t
                        {
                                PRNT_ENUMERROR_NoError                    = 0, /**< Configuration Descriptor was processed successfully. */
@@ -272,8 +273,10 @@
        #if !defined(__DOXYGEN__)
                /* Function Prototypes: */
                        #if defined(__INCLUDE_FROM_PRINTER_HOST_C)
-                               static uint8_t DCOMP_PRNT_Host_NextPRNTInterface(void* const CurrentDescriptor) ATTR_NON_NULL_PTR_ARG(1);
-                               static uint8_t DCOMP_PRNT_Host_NextPRNTInterfaceEndpoint(void* const CurrentDescriptor) ATTR_NON_NULL_PTR_ARG(1);
+                               static uint8_t DCOMP_PRNT_Host_NextPRNTInterface(void* const CurrentDescriptor)
+                                                                                ATTR_WARN_UNUSED_RESULT ATTR_NON_NULL_PTR_ARG(1);
+                               static uint8_t DCOMP_PRNT_Host_NextPRNTInterfaceEndpoint(void* const CurrentDescriptor)
+                                                                                        ATTR_WARN_UNUSED_RESULT ATTR_NON_NULL_PTR_ARG(1);
                        #endif
        #endif