[janderwald] 38723: - Implement PcRequestNewPowerState

Author: janderwald
Date: Mon Jan 12 09:57:49 2009
New Revision: 38723

URL: http://svn.reactos.org/svn/reactos?rev=38723&view=rev
Log:
- Implement PcRequestNewPowerState

Modified:
    trunk/reactos/drivers/wdm/audio/backpln/portcls/power.c
    trunk/reactos/drivers/wdm/audio/backpln/portcls/stubs.c

Modified: trunk/reactos/drivers/wdm/audio/backpln/portcls/power.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/wdm/audio/backpln/p...
==============================================================================
--- trunk/reactos/drivers/wdm/audio/backpln/portcls/power.c [iso-8859-1] (original)
+++ trunk/reactos/drivers/wdm/audio/backpln/portcls/power.c [iso-8859-1] Mon Jan 12 09:57:49 2009
@@ -36,3 +36,50 @@
     DeviceExt->AdapterPowerManagement = pPower;
     return STATUS_SUCCESS;
 }
+
+
+static
+VOID
+NTAPI
+PwrCompletionCallback(
+    IN PDEVICE_OBJECT DeviceObject,
+    IN UCHAR MinorFunction,
+    IN POWER_STATE PowerState,
+    IN PVOID Context,
+    IN PIO_STATUS_BLOCK IoStatus)
+{
+    KeSetEvent((PRKEVENT)Context, IO_NO_INCREMENT, FALSE);
+}
+
+/*
+ * @implemented
+ */
+NTSTATUS NTAPI
+PcRequestNewPowerState(
+    IN  PDEVICE_OBJECT DeviceObject,
+    IN  DEVICE_POWER_STATE RequestedNewState)
+{
+    KEVENT Event;
+    NTSTATUS Status;
+    POWER_STATE PowerState;
+    PCExtension* DeviceExt;
+
+    if (!DeviceObject || !RequestedNewState)
+        return STATUS_INVALID_PARAMETER;
+
+    DeviceExt = (PCExtension*)DeviceObject->DeviceExtension;
+    KeInitializeEvent(&Event, SynchronizationEvent, FALSE);
+
+    PowerState.DeviceState = RequestedNewState;
+    PowerState.SystemState = PowerSystemUnspecified;
+
+    Status = PoRequestPowerIrp(DeviceExt->PhysicalDeviceObject, IRP_MN_SET_POWER, PowerState, PwrCompletionCallback, (PVOID)&Event, NULL);
+    if (NT_SUCCESS(Status))
+    {
+        KeWaitForSingleObject((PVOID)&Event, Executive, KernelMode, FALSE, NULL);
+    }
+
+
+    return Status;
+}
+

Modified: trunk/reactos/drivers/wdm/audio/backpln/portcls/stubs.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/wdm/audio/backpln/p...
==============================================================================
--- trunk/reactos/drivers/wdm/audio/backpln/portcls/stubs.c [iso-8859-1] (original)
+++ trunk/reactos/drivers/wdm/audio/backpln/portcls/stubs.c [iso-8859-1] Mon Jan 12 09:57:49 2009
@@ -11,29 +11,6 @@

#include "private.h"
 #include <portcls.h>
-
-/*
-    Factory Stubs
-*/
-
-
-
-/* ===============================================================
-    Power Management
-*/
-
-/*
- * @unimplemented
- */
-NTSTATUS NTAPI
-PcRequestNewPowerState(
-    IN  PDEVICE_OBJECT pDeviceObject,
-    IN  DEVICE_POWER_STATE RequestedNewState)
-{
-    UNIMPLEMENTED;
-    return STATUS_UNSUCCESSFUL;
-}
-

/* ===============================================================
     Properties