[janderwald] 68331: [PORTCLS] - implement & export PcUnregisterAdapterPowerManagement

Author: janderwald
Date: Thu Jul  2 15:35:19 2015
New Revision: 68331

URL: http://svn.reactos.org/svn/reactos?rev=68331&view=rev
Log:
[PORTCLS]
- implement & export PcUnregisterAdapterPowerManagement

Modified:
    trunk/reactos/drivers/wdm/audio/backpln/portcls/portcls.spec
    trunk/reactos/drivers/wdm/audio/backpln/portcls/power.cpp

Modified: trunk/reactos/drivers/wdm/audio/backpln/portcls/portcls.spec
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/wdm/audio/backpln/p...
==============================================================================
--- trunk/reactos/drivers/wdm/audio/backpln/portcls/portcls.spec	[iso-8859-1] (original)
+++ trunk/reactos/drivers/wdm/audio/backpln/portcls/portcls.spec	[iso-8859-1] Thu Jul  2 15:35:19 2015
@@ -41,6 +41,7 @@
 ; Power Management
 @ stdcall PcRegisterAdapterPowerManagement(ptr ptr)
 @ stdcall PcRequestNewPowerState(ptr long)
+@ stdcall PcUnregisterAdapterPowerManagement(ptr)

; Properties
 @ stdcall PcCompletePendingPropertyRequest(ptr long)

Modified: trunk/reactos/drivers/wdm/audio/backpln/portcls/power.cpp
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/wdm/audio/backpln/p...
==============================================================================
--- trunk/reactos/drivers/wdm/audio/backpln/portcls/power.cpp	[iso-8859-1] (original)
+++ trunk/reactos/drivers/wdm/audio/backpln/portcls/power.cpp	[iso-8859-1] Thu Jul  2 15:35:19 2015
@@ -48,6 +48,30 @@
     return STATUS_SUCCESS;
 }

+NTSTATUS
+NTAPI
+PcUnregisterAdapterPowerManagement(
+    IN PDEVICE_OBJECT DeviceObject)
+{
+    PPCLASS_DEVICE_EXTENSION DeviceExt;
+    
+    DPRINT("PcUnregisterAdapterPowerManagement pUnknown %p pvContext %p\n", DeviceObject);
+    PC_ASSERT_IRQL_EQUAL(PASSIVE_LEVEL);
+
+    if (!DeviceObject)
+        return STATUS_INVALID_PARAMETER;
+
+    DeviceExt = (PPCLASS_DEVICE_EXTENSION)DeviceObject->DeviceExtension;
+
+    if (DeviceExt->AdapterPowerManagement)
+    {
+        DeviceExt->AdapterPowerManagement->Release();
+    }
+    DeviceExt->AdapterPowerManagement = NULL;
+    return STATUS_SUCCESS;
+}
+
+

static
 VOID