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[AUDIO-BRINGUP]

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- Implement SwDispatchPower

svn path=/branches/audio-bringup/; revision=50036
This commit is contained in:
Johannes Anderwald 2010-12-16 11:56:12 +00:00
parent 7a85cb26a1
commit 219cbd064d
1 changed files with 49 additions and 2 deletions
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51
drivers/ksfilter/swenum/swenum.c
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@ -18,8 +18,56 @@ SwDispatchPower(
IN PDEVICE_OBJECT DeviceObject,
IN PIRP Irp)
{
NTSTATUS Status, PnpStatus;
BOOLEAN ChildDevice;
PIO_STACK_LOCATION IoStack;
PDEVICE_OBJECT PnpDeviceObject = NULL;
UNIMPLEMENTED;
/* get current stack location */
IoStack = IoGetCurrentIrpStackLocation(Irp);
/* check if the device object is a child device */
Status = KsIsBusEnumChildDevice(DeviceObject, &ChildDevice);
/* get bus enum pnp object */
PnpStatus = KsGetBusEnumPnpDeviceObject(DeviceObject, &PnpDeviceObject);
/* check for success */
if (!NT_SUCCESS(Status) || !NT_SUCCESS(PnpStatus))
{
/* start next power irp */
PoStartNextPowerIrp(Irp);
/* just complete the irp */
Irp->IoStatus.Status = STATUS_SUCCESS;
/* complete the irp */
IoCompleteRequest(Irp, IO_NO_INCREMENT);
/* done */
return STATUS_SUCCESS;
}
if (IoStack->MinorFunction == IRP_MN_SET_POWER || IoStack->MinorFunction == IRP_MN_QUERY_POWER)
{
/* fake success */
Irp->IoStatus.Status = STATUS_SUCCESS;
}
if (!ChildDevice)
{
/* forward to pnp device object */
PoStartNextPowerIrp(Irp);
/* skip current location */
IoSkipCurrentIrpStackLocation(Irp);
/* done */
return PoCallDriver(PnpDeviceObject, Irp);
}
/* start next power irp */
PoStartNextPowerIrp(Irp);
/* just complete the irp */
Irp->IoStatus.Status = STATUS_SUCCESS;
@ -29,7 +77,6 @@ SwDispatchPower(
/* done */
return STATUS_SUCCESS;
}
NTSTATUS