reactos/sdk/lib/drivers/wdf/shared/irphandlers/pnp/um/powerstatemachineum.cpp

104 lines
1.4 KiB
C++
Raw Normal View History

/*++
Copyright (c) Microsoft. All rights reserved.
Module Name:
PowerStateMachineUm.cpp
Abstract:
This module implements the Power state machine for the driver framework.
This code was split out from FxPkgPnp.cpp.
Author:
Environment:
User mode only
Revision History:
--*/
#include "..\pnppriv.hpp"
extern "C" {
#if defined(EVENT_TRACING)
#include "PowerStateMachineUm.tmh"
#endif
}
_Must_inspect_result_
BOOLEAN
FxPkgPnp::PowerDmaPowerUp(
VOID
)
/*++
Routine Description:
Calls FxDmaEnabler::PowerUp on all registered FxDmaEnabler objects. As soon
as a PowerUp call fails, we stop iterating over the list.
Arguments:
None
Return Value:
TRUE if PowerUp succeeded on all enablers, FALSE otherwise
--*/
{
return TRUE;
}
BOOLEAN
FxPkgPnp::PowerDmaPowerDown(
VOID
)
/*++
Routine Description:
Calls FxDmaEnabler::PowerDown on all registered FxDmaEnabler objects. All
errors are accumulated, all enablers will be PowerDown'ed.
Arguments:
None
Return Value:
TRUE if PowerDown succeeded on all enablers, FALSE otherwise
--*/
{
return TRUE;
}
VOID
FxPkgPnp::_PowerSetSystemWakeSource(
__in FxIrp* Irp
)
/*++
Routine Description:
Set source of wake if OS supports this.
Arguments:
Irp
Return Value:
None
--*/
{
UNREFERENCED_PARAMETER(Irp);
DO_NOTHING();
}