{\r
                        .Header                   = {.Size = sizeof(USB_Audio_Interface_AC_t), .Type = DTYPE_AudioInterface},\r
                        .Subtype                  = DSUBTYPE_Header,\r
                {\r
                        .Header                   = {.Size = sizeof(USB_Audio_Interface_AC_t), .Type = DTYPE_AudioInterface},\r
                        .Subtype                  = DSUBTYPE_Header,\r
                {\r
                        .Header                   = {.Size = sizeof(USB_Audio_Interface_MIDI_AS_t), .Type = DTYPE_AudioInterface},\r
                        .Subtype                  = DSUBTYPE_General,\r
 \r
                        .AudioSpecification       = VERSION_BCD(01.00),\r
                        \r
                {\r
                        .Header                   = {.Size = sizeof(USB_Audio_Interface_MIDI_AS_t), .Type = DTYPE_AudioInterface},\r
                        .Subtype                  = DSUBTYPE_General,\r
 \r
                        .AudioSpecification       = VERSION_BCD(01.00),\r
                        \r
-                       .TotalLength              = (sizeof(USB_Descriptor_Configuration_t) - offsetof(USB_Descriptor_Configuration_t, AudioStreamInterface_SPC))\r
+                       .TotalLength              = (sizeof(USB_Descriptor_Configuration_t) -\r
+                                                    offsetof(USB_Descriptor_Configuration_t, Audio_StreamInterface_SPC))\r