63 lines
1.4 KiB
C
63 lines
1.4 KiB
C
#include "pch.h"
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NTSTATUS
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PptPdoPower(
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IN PDEVICE_OBJECT Pdo,
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IN PIRP Irp
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)
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{
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PPDO_EXTENSION pdx = Pdo->DeviceExtension;
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PIO_STACK_LOCATION irpSp = IoGetCurrentIrpStackLocation( Irp );
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NTSTATUS status;
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ULONG_PTR info = Irp->IoStatus.Information;
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POWER_STATE powerState = irpSp->Parameters.Power.State;
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POWER_STATE_TYPE powerType = irpSp->Parameters.Power.Type;
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UCHAR minorFunction = irpSp->MinorFunction;
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switch( minorFunction ) {
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case IRP_MN_QUERY_POWER:
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status = STATUS_SUCCESS;
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break;
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case IRP_MN_SET_POWER:
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switch( powerType ) {
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case DevicePowerState:
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PoSetPowerState( pdx->DeviceObject, powerType, powerState );
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pdx->DeviceState = powerState.DeviceState;
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status = STATUS_SUCCESS;
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break;
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case SystemPowerState:
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status = STATUS_SUCCESS;
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break;
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default:
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status = Irp->IoStatus.Status;
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}
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break;
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default:
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status = Irp->IoStatus.Status;
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}
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PoStartNextPowerIrp( Irp );
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P4CompleteRequest( Irp, status, info );
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DD((PCE)pdx,DDT,"PptPdoPower - minorFunction=%x, powerState=%x, powerType=%x, status=%x",minorFunction,powerState,powerType,status);
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return status;
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}
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