[janderwald] 54571: - debug code for bug 6663

Author: janderwald
Date: Sat Dec  3 13:55:07 2011
New Revision: 54571
URL: http://svn.reactos.org/svn/reactos?rev=54571&view=rev
Log:
- debug code for bug 6663
Modified:
    trunk/reactos/lib/drivers/sound/mmixer/controls.c
    trunk/reactos/lib/drivers/sound/mmixer/priv.h
Modified: trunk/reactos/lib/drivers/sound/mmixer/controls.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/lib/drivers/sound/mmixer/c…
==============================================================================
--- trunk/reactos/lib/drivers/sound/mmixer/controls.c [iso-8859-1] (original)
+++ trunk/reactos/lib/drivers/sound/mmixer/controls.c [iso-8859-1] Sat Dec  3 13:55:07
2011
@@ -468,12 +468,15 @@
     /* get next nodes */
     MMixerGetNextNodesFromPinIndex(MixerContext, Topology, PinId, bUpStream,
&NodesCount, Nodes);
-    if (NodesCount > 1)
-    {
-        /* FIXME: the pin is connected by several nodes */
-        DPRINT1("Topology split detected at Pin %lu bUpStream %lu NodesCount
%lu", PinId, bUpStream, NodesCount);
-        for(NodeIndex = 0; NodeIndex < NodesCount; NodeIndex++)
-           DPRINT1("Pin Connected from Node %lu", Nodes[NodeIndex]);
+    if (NodesCount == 0)
+    {
+        /* a pin which is not connected from any node
+         * a) it is a topology bug (driver bug)
+         * b) the request is from an alternative mixer
+              alternative mixer code scans all pins which have not been used and tries to
build lines
+         */
+        DPRINT1("MMixerCountMixerControls PinId %lu is not connected by any
node\n", PinId);
+        MMixerPrintTopology(Topology);
         return MM_STATUS_UNSUCCESSFUL;
     }
Modified: trunk/reactos/lib/drivers/sound/mmixer/priv.h
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/lib/drivers/sound/mmixer/p…
==============================================================================
--- trunk/reactos/lib/drivers/sound/mmixer/priv.h [iso-8859-1] (original)
+++ trunk/reactos/lib/drivers/sound/mmixer/priv.h [iso-8859-1] Sat Dec  3 13:55:07 2011
@@ -523,3 +523,6 @@
     IN ULONG NodeIndex,
     OUT PULONG OutPinCount,
     OUT PULONG OutPins);
+
+VOID
+MMixerPrintTopology();