[janderwald] 49237: [KS] - Fix property set support handler for topology nodes - Check if the driver supports a basic support handler. In that case return the basic support handler

Author: janderwald
Date: Sat Oct 23 12:00:11 2010
New Revision: 49237

URL: http://svn.reactos.org/svn/reactos?rev=49237&view=rev
Log:
[KS]
- Fix property set support handler for topology nodes
- Check if the driver supports a basic support handler. In that case return the basic
support handler

Modified:
    trunk/reactos/drivers/ksfilter/ks/property.c

Modified: trunk/reactos/drivers/ksfilter/ks/property.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/ksfilter/ks/proper…
==============================================================================
--- trunk/reactos/drivers/ksfilter/ks/property.c [iso-8859-1] (original)
+++ trunk/reactos/drivers/ksfilter/ks/property.c [iso-8859-1] Sat Oct 23 12:00:11 2010
@@ -47,6 +47,25 @@
                         IoStatus->Information =
PropertySet[Index].PropertyItem[ItemIndex].MinData;
                         return STATUS_MORE_ENTRIES;
                     }
+
+                    /* store property set */
+                    *Set = (PKSPROPERTY_SET)&PropertySet[Index];
+
+                    if (Property->Flags & KSPROPERTY_TYPE_SET)
+                    {
+                        /* store property handler */
+                        *PropertyHandler =
PropertySet[Index].PropertyItem[ItemIndex].SetPropertyHandler;
+                        return STATUS_SUCCESS;
+                    }
+
+                    if (Property->Flags & KSPROPERTY_TYPE_GET)
+                    {
+                        /* store property handler */
+                        *PropertyHandler =
PropertySet[Index].PropertyItem[ItemIndex].GetPropertyHandler;
+                        return STATUS_SUCCESS;
+                    }
+
+
                     if (Property->Flags & KSPROPERTY_TYPE_BASICSUPPORT)
                     {
                         PULONG Flags;
@@ -64,13 +83,20 @@
                         /* clear flags */
                         *Flags = 0;
 
+                        IoStatus->Information = sizeof(ULONG);
+
+                        if (PropertySet[Index].PropertyItem[ItemIndex].SupportHandler)
+                        {
+                            /* use support handler from driver */
+                            *PropertyHandler =
PropertySet[Index].PropertyItem[ItemIndex].SupportHandler;
+                            return STATUS_SUCCESS;
+                        }
+
                         if (PropertySet[Index].PropertyItem[ItemIndex].GetSupported)
                             *Flags |= KSPROPERTY_TYPE_GET;
 
                         if (PropertySet[Index].PropertyItem[ItemIndex].SetSupported)
                             *Flags |= KSPROPERTY_TYPE_SET;
-
-                        IoStatus->Information = sizeof(ULONG);
 
                         if (OutputBufferLength >= sizeof(KSPROPERTY_DESCRIPTION))
                         {
@@ -89,14 +115,6 @@
                         }
                         return STATUS_SUCCESS;
                     }
-                    if (Property->Flags & KSPROPERTY_TYPE_SET)
-                        *PropertyHandler =
PropertySet[Index].PropertyItem[ItemIndex].SetPropertyHandler;
-
-                    if (Property->Flags & KSPROPERTY_TYPE_GET)
-                        *PropertyHandler =
PropertySet[Index].PropertyItem[ItemIndex].GetPropertyHandler;
-
-                    *Set = (PKSPROPERTY_SET)&PropertySet[Index];
-                    return STATUS_SUCCESS;
                 }
             }
         }
@@ -171,7 +189,7 @@
             }
         }
     }
-    else if (IsEqualGUIDAligned(&Property->Set, &GUID_NULL) &&
Property->Id == 0 && Property->Flags == KSPROPERTY_TYPE_SETSUPPORT)
+    else if (IsEqualGUIDAligned(&Property->Set, &GUID_NULL) &&
Property->Id == 0 && (Property->Flags & KSPROPERTY_TYPE_SETSUPPORT) ==
KSPROPERTY_TYPE_SETSUPPORT)
     {
         // store output size
         Irp->IoStatus.Information = sizeof(GUID) * PropertySetsCount;
@@ -189,7 +207,7 @@
        {
            RtlMoveMemory(&Guid[Index], PropertySet[Index].Set, sizeof(GUID));
        }
-       return STATUS_SUCCESS;
+       Status = STATUS_SUCCESS;
     }
 
     /* done */