diff --git a/dlls/cfgmgr32/cfgmgr32.spec b/dlls/cfgmgr32/cfgmgr32.spec
index 0042523a1ca..6f7a87737c4 100644
--- a/dlls/cfgmgr32/cfgmgr32.spec
+++ b/dlls/cfgmgr32/cfgmgr32.spec
@@ -60,7 +60,7 @@
 @ stub CM_Get_DevNode_Registry_Property_ExW
 @ stub CM_Get_DevNode_Status
 @ stub CM_Get_DevNode_Status_Ex
-@ stub CM_Get_Device_IDA
+@ stdcall CM_Get_Device_IDA(ptr ptr long long)
 @ stub CM_Get_Device_IDW
 @ stub CM_Get_Device_ID_ExA
 @ stub CM_Get_Device_ID_ExW
@@ -72,7 +72,7 @@
 @ stub CM_Get_Device_ID_List_SizeW
 @ stub CM_Get_Device_ID_List_Size_ExA
 @ stub CM_Get_Device_ID_List_Size_ExW
-@ stub CM_Get_Device_ID_Size
+@ stdcall CM_Get_Device_ID_Size(ptr ptr long)
 @ stub CM_Get_Device_ID_Size_Ex
 @ stub CM_Get_Device_Interface_AliasA
 @ stub CM_Get_Device_Interface_AliasW
diff --git a/dlls/cfgmgr32/main.c b/dlls/cfgmgr32/main.c
index 65ea58e6332..a60e79566eb 100644
--- a/dlls/cfgmgr32/main.c
+++ b/dlls/cfgmgr32/main.c
@@ -1,6 +1,7 @@
 /*
  * cfgmgr32 implementation
  *
+ * Copyright 2004 Aric Stewart for CodeWeavers
  * Copyright 2003 Mike McCormack for CodeWeavers
  *
  * This library is free software; you can redistribute it and/or
@@ -22,15 +23,12 @@
 #include "windef.h"
 #include "winbase.h"
 #include "winnt.h"
+#include "cfgmgr32.h"
 
 #include "wine/debug.h"
 
 WINE_DEFAULT_DEBUG_CHANNEL(cfgmgr32);
 
-typedef DWORD CONFIGRET;
-
-#define CR_SUCCESS 0
-
 CONFIGRET WINAPI CM_Get_Device_ID_ListA( 
     PCSTR pszFilter, PCHAR Buffer, ULONG BufferLen, ULONG ulFlags )
 {
@@ -38,3 +36,19 @@ CONFIGRET WINAPI CM_Get_Device_ID_ListA(
     memset(Buffer,0,2);
     return CR_SUCCESS;
 }
+
+CONFIGRET WINAPI CM_Get_Device_ID_Size( ULONG*  pulLen, LPVOID dnDevInst,
+                                        ULONG  ulFlags)
+{
+    FIXME("%p %p %lu\n",pulLen, dnDevInst, ulFlags);
+    *pulLen = 1;
+    return CR_SUCCESS;
+}
+
+CONFIGRET WINAPI CM_Get_Device_IDA( LPVOID dnDevInst, LPSTR Buffer, 
+                                   ULONG  BufferLen, ULONG  ulFlags)
+{
+    FIXME("%p, %p, %lu %lu\n",dnDevInst, Buffer, BufferLen, ulFlags);
+    Buffer[0] = 0;
+    return CR_SUCCESS;
+}