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/*****************************************************************************
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Company : Shree Ganesha Inc.
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File Name : SkyWalker1CPin.cpp
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Author :
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Date :
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Purpose : This File Holds the General Pin related declarations
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Revision History:
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===============================================================================
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DATE VERSION AUTHOR REMARK
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===============================================================================
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XXth April,2009 01 Initial Version
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*****************************************************************************/
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/* Include the Library and Other header file */
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#include "SkyWalker1Main.h" //Common For all the Definitions,
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//Declarations and Library Routines
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/* End of Inclusion the Library and Other header file */
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/* Macro Definitions */
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/* End of Macro Definitions */
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/* Global & Static variables Declaration */
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/* End of Global & Static variables Declaration */
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/* External Variable Declaration */
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/* End of External Variable Declaration */
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/* Declare Enumerations here */
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/* End of Enumeration declaration */
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/* Function Prototypes */
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/* End of Function prototype definitions */
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/*****************************************************************************
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Function : CTunerPin::PinCreate
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Description : An AVStream minidriver's AVStrMiniPinCreate routine is
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called when a pin is created. Typically, this routine is
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used by minidrivers that want to initialize the context
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and resources associated with the pin.
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IN PARAM : <PKSPIN> Pointer to the KSPIN that was just created.
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<PIRP> Pointer to the IRP_MJ_CREATE for Pin
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OUT PARAM : <NTSTATUS> STATUS_SUCCESS in case of successful pin creation
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Failure Code in other cases
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PreCondition : None
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PostCondtion : Creates the Tuner pin object and associates it
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with the filter object.
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Logic : NONE
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Assumption : NONE
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Note : None
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Revision History: <REVISION HISTORY OF THE FUNCTION, MUST BE MAINTAINED BY MAINTAINER >
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*****************************************************************************/
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NTSTATUS CTunerPin::PinCreate( IN OUT PKSPIN pKSPin,
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IN PIRP pIoRequestPacket
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)
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{
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NTSTATUS ntCreateStatus = STATUS_SUCCESS;
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CTunerPin* pPin = NULL; //Pointer to the Current Pin Instance
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CTunerFilter* pFilter = NULL; //Pointer to the Filter associted with the Pin
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PrintFunctionEntry(__FUNCTION__);
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SkyWalkerDebugPrint(ENTRY_LEVEL,("Sizeof DISEQC_COMMAND = %d\n",sizeof(DISEQC_COMMAND)));
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//Obtain a pointer to the filter object for which the input pin is created.
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//The KsGetFilterFromIrp function returns the AVStream filter object
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//associated with a given IRP.
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pFilter = reinterpret_cast<CTunerFilter*>(KsGetFilterFromIrp(pIoRequestPacket)->Context);
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//Create the Tuner pin object.
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pPin = new(PagedPool,TUNER_MEM_TAG) CTunerPin; // Tags the allocated memory
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if (pPin)
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{
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//Link the pin context to the filter context.
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//That is, set the input pin's filter pointer data member to the obtained filter pointer.
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pPin->SetFilter( pFilter);
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//Link the pin context to the passed in pointer to the KSPIN structure.
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pKSPin->Context = pPin;
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}
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else
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{
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ntCreateStatus = STATUS_INSUFFICIENT_RESOURCES;
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}
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PrintFunctionExit(__FUNCTION__,ntCreateStatus);
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return ntCreateStatus;
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}
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/*****************************************************************************
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Function : CTunerPin::PinClose
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Description : An AVStream minidriver's AVStrMiniPinClose routine is
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called when a pin is closed.It usually is provided by
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minidrivers that want to free the context and resources
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associated with the pin.
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IN PARAM : <PKSPIN> Pointer to the KSPIN that was just closed.
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<PIRP> Pointer to the IRP_MJ_CLOSE for Pin.
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OUT PARAM : <NTSTATUS> STATUS_SUCCESS in case of successful pin Close
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Failure Code in other cases
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PreCondition : None
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PostCondtion : Deletes the previously created Tuner pin object.
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Logic : NONE
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Assumption : NONE
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Note : This is called from the PASSIVE_LEVEL_IRQL
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Revision History: <REVISION HISTORY OF THE FUNCTION, MUST BE MAINTAINED BY MAINTAINER >
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*****************************************************************************/
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NTSTATUS CTunerPin::PinClose( IN OUT PKSPIN pKSPin,
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IN PIRP pIoRequestPacket
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)
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{
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NTSTATUS ntCloseStatus = STATUS_SUCCESS;
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CTunerPin* pPin = NULL; //Pointer to the Current Pin Instance
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CTunerFilter* pFilter = NULL; //Pointer to the Filter associted with the Pin
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PrintFunctionEntry(__FUNCTION__);
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// Retrieve the Tuner pin object from the passed in
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// KSPIN structure's context member.
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//
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pPin = reinterpret_cast<CTunerPin*>(pKSPin->Context);
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if(IS_VALID(pPin))
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{
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delete pPin;
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pPin = NULL;
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}
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PrintFunctionExit(__FUNCTION__,ntCloseStatus);
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return ntCloseStatus;
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}
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/*****************************************************************************
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Function : CTunerPin::GetSignalStatus
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Description : Retrieves the value of the signal statistics properties.
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IN PARAM : IN PIRP pIoRequestPacket,
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IN PKSPROPERTY pKSProperty,
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OUT PULONG pulProperty
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OUT PARAM : <NTSTATUS> Status SUCCESS in case Valid Property request
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STATUS_INVALID_PARAMETER in case of Invalid property request
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Else error from the lower device
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PreCondition : None
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PostCondtion : Signal Status read in case of successful execution
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Logic : NONE
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Assumption : NONE
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Note : NONE
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Revision History: <REVISION HISTORY OF THE FUNCTION, MUST BE MAINTAINED BY MAINTAINER >
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*****************************************************************************/
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NTSTATUS CTunerPin::GetSignalStatus(
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IN PIRP pIoRequestPacket,
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IN PKSPROPERTY pKSProperty,
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OUT PULONG pulProperty
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)
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{
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NTSTATUS ntGetStatus = STATUS_SUCCESS;
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CTunerPin* pPin = NULL; //Pointer to the Current Pin Instance
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CTunerFilter* pFilter = NULL; //Pointer to the Filter associted with the Pin
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BDATUNER_DEVICE_STATUS TunerStatus;
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PrintFunctionEntry(__FUNCTION__);
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// Call the BDA support library to
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// validate that the node type is associated with this pin.
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ntGetStatus = BdaValidateNodeProperty( pIoRequestPacket, pKSProperty);
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if (NT_SUCCESS( ntGetStatus))
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{
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// Obtain a pointer to the pin object.
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//
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// Because the property dispatch table calls the CTunerPin::GetSignalStatus()
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// method directly, the method must retrieve a pointer to the underlying pin object.
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//
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pPin = reinterpret_cast<CTunerPin *>(KsGetPinFromIrp(pIoRequestPacket)->Context);
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// Retrieve the filter context from the pin context.
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//
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pFilter = pPin->GetFilter();
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ntGetStatus = pFilter->GetStatus( &TunerStatus);
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if (ntGetStatus == STATUS_SUCCESS)
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{
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switch (pKSProperty->Id)
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{
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case KSPROPERTY_BDA_SIGNAL_LOCKED:
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*pulProperty = TunerStatus.fSignalLocked;
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SkyWalkerDebugPrint(EXTREME_LEVEL,("Signal Lock = 0x%02X\n",*pulProperty));
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break;
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case KSPROPERTY_BDA_SIGNAL_QUALITY:
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*pulProperty = TunerStatus.dwSignalQuality;
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SkyWalkerDebugPrint(EXTREME_LEVEL,("Signal Quality = %lu\n",*pulProperty));
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break;
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case KSPROPERTY_BDA_SIGNAL_PRESENT:
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*pulProperty = TunerStatus.fCarrierPresent;
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SkyWalkerDebugPrint(EXTREME_LEVEL,("Signal Present = 0x%02X\n",*pulProperty));
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break;
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case KSPROPERTY_BDA_SIGNAL_STRENGTH:
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*pulProperty = TunerStatus.dwSignalStrength;
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SkyWalkerDebugPrint(EXTREME_LEVEL,("Signal Strength = %lu\n", *pulProperty));
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break;
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default:
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ntGetStatus = STATUS_INVALID_PARAMETER;
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}
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}
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}
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PrintFunctionExit(__FUNCTION__,ntGetStatus);
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return ntGetStatus;
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/*****************************************************************************
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Company : Shree Ganesha Inc.
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File Name : SkyWalker1CPin.cpp
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Author :
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Date :
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Purpose : This File Holds the General Pin related declarations
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Revision History:
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===============================================================================
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DATE VERSION AUTHOR REMARK
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===============================================================================
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XXth April,2009 01 Initial Version
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*****************************************************************************/
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/* Include the Library and Other header file */
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#include "SkyWalker1Main.h" //Common For all the Definitions,
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//Declarations and Library Routines
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/* End of Inclusion the Library and Other header file */
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/* Macro Definitions */
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/* End of Macro Definitions */
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/* Global & Static variables Declaration */
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/* End of Global & Static variables Declaration */
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/* External Variable Declaration */
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/* End of External Variable Declaration */
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/* Declare Enumerations here */
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/* End of Enumeration declaration */
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/* Function Prototypes */
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/* End of Function prototype definitions */
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/*****************************************************************************
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Function : CTunerPin::PinCreate
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Description : An AVStream minidriver's AVStrMiniPinCreate routine is
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called when a pin is created. Typically, this routine is
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used by minidrivers that want to initialize the context
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and resources associated with the pin.
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IN PARAM : <PKSPIN> Pointer to the KSPIN that was just created.
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<PIRP> Pointer to the IRP_MJ_CREATE for Pin
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OUT PARAM : <NTSTATUS> STATUS_SUCCESS in case of successful pin creation
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Failure Code in other cases
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PreCondition : None
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PostCondtion : Creates the Tuner pin object and associates it
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with the filter object.
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Logic : NONE
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Assumption : NONE
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Note : None
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Revision History: <REVISION HISTORY OF THE FUNCTION, MUST BE MAINTAINED BY MAINTAINER >
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*****************************************************************************/
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NTSTATUS CTunerPin::PinCreate( IN OUT PKSPIN pKSPin,
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IN PIRP pIoRequestPacket
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)
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{
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NTSTATUS ntCreateStatus = STATUS_SUCCESS;
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CTunerPin* pPin = NULL; //Pointer to the Current Pin Instance
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CTunerFilter* pFilter = NULL; //Pointer to the Filter associted with the Pin
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PrintFunctionEntry(__FUNCTION__);
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SkyWalkerDebugPrint(ENTRY_LEVEL,("Sizeof DISEQC_COMMAND = %d\n",sizeof(DISEQC_COMMAND)));
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//Obtain a pointer to the filter object for which the input pin is created.
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//The KsGetFilterFromIrp function returns the AVStream filter object
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//associated with a given IRP.
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pFilter = reinterpret_cast<CTunerFilter*>(KsGetFilterFromIrp(pIoRequestPacket)->Context);
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//Create the Tuner pin object.
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pPin = new(PagedPool,TUNER_MEM_TAG) CTunerPin; // Tags the allocated memory
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if (pPin)
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{
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//Link the pin context to the filter context.
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//That is, set the input pin's filter pointer data member to the obtained filter pointer.
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pPin->SetFilter( pFilter);
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//Link the pin context to the passed in pointer to the KSPIN structure.
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pKSPin->Context = pPin;
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}
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else
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{
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ntCreateStatus = STATUS_INSUFFICIENT_RESOURCES;
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}
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PrintFunctionExit(__FUNCTION__,ntCreateStatus);
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return ntCreateStatus;
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}
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/*****************************************************************************
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Function : CTunerPin::PinClose
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Description : An AVStream minidriver's AVStrMiniPinClose routine is
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called when a pin is closed.It usually is provided by
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minidrivers that want to free the context and resources
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associated with the pin.
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IN PARAM : <PKSPIN> Pointer to the KSPIN that was just closed.
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<PIRP> Pointer to the IRP_MJ_CLOSE for Pin.
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OUT PARAM : <NTSTATUS> STATUS_SUCCESS in case of successful pin Close
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Failure Code in other cases
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PreCondition : None
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PostCondtion : Deletes the previously created Tuner pin object.
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Logic : NONE
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Assumption : NONE
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Note : This is called from the PASSIVE_LEVEL_IRQL
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Revision History: <REVISION HISTORY OF THE FUNCTION, MUST BE MAINTAINED BY MAINTAINER >
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*****************************************************************************/
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NTSTATUS CTunerPin::PinClose( IN OUT PKSPIN pKSPin,
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IN PIRP pIoRequestPacket
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)
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{
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NTSTATUS ntCloseStatus = STATUS_SUCCESS;
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CTunerPin* pPin = NULL; //Pointer to the Current Pin Instance
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CTunerFilter* pFilter = NULL; //Pointer to the Filter associted with the Pin
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PrintFunctionEntry(__FUNCTION__);
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// Retrieve the Tuner pin object from the passed in
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// KSPIN structure's context member.
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//
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pPin = reinterpret_cast<CTunerPin*>(pKSPin->Context);
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if(IS_VALID(pPin))
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{
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delete pPin;
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pPin = NULL;
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}
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PrintFunctionExit(__FUNCTION__,ntCloseStatus);
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return ntCloseStatus;
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}
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/*****************************************************************************
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Function : CTunerPin::GetSignalStatus
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Description : Retrieves the value of the signal statistics properties.
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IN PARAM : IN PIRP pIoRequestPacket,
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IN PKSPROPERTY pKSProperty,
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OUT PULONG pulProperty
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OUT PARAM : <NTSTATUS> Status SUCCESS in case Valid Property request
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STATUS_INVALID_PARAMETER in case of Invalid property request
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Else error from the lower device
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PreCondition : None
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PostCondtion : Signal Status read in case of successful execution
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Logic : NONE
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Assumption : NONE
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Note : NONE
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Revision History: <REVISION HISTORY OF THE FUNCTION, MUST BE MAINTAINED BY MAINTAINER >
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*****************************************************************************/
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NTSTATUS CTunerPin::GetSignalStatus(
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IN PIRP pIoRequestPacket,
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IN PKSPROPERTY pKSProperty,
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OUT PULONG pulProperty
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)
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{
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NTSTATUS ntGetStatus = STATUS_SUCCESS;
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CTunerPin* pPin = NULL; //Pointer to the Current Pin Instance
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CTunerFilter* pFilter = NULL; //Pointer to the Filter associted with the Pin
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BDATUNER_DEVICE_STATUS TunerStatus;
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PrintFunctionEntry(__FUNCTION__);
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// Call the BDA support library to
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// validate that the node type is associated with this pin.
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ntGetStatus = BdaValidateNodeProperty( pIoRequestPacket, pKSProperty);
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if (NT_SUCCESS( ntGetStatus))
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{
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// Obtain a pointer to the pin object.
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//
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// Because the property dispatch table calls the CTunerPin::GetSignalStatus()
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// method directly, the method must retrieve a pointer to the underlying pin object.
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//
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pPin = reinterpret_cast<CTunerPin *>(KsGetPinFromIrp(pIoRequestPacket)->Context);
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// Retrieve the filter context from the pin context.
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//
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pFilter = pPin->GetFilter();
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ntGetStatus = pFilter->GetStatus( &TunerStatus);
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if (ntGetStatus == STATUS_SUCCESS)
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{
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switch (pKSProperty->Id)
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{
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case KSPROPERTY_BDA_SIGNAL_LOCKED:
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*pulProperty = TunerStatus.fSignalLocked;
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SkyWalkerDebugPrint(EXTREME_LEVEL,("Signal Lock = 0x%02X\n",*pulProperty));
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break;
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case KSPROPERTY_BDA_SIGNAL_QUALITY:
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*pulProperty = TunerStatus.dwSignalQuality;
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SkyWalkerDebugPrint(EXTREME_LEVEL,("Signal Quality = %lu\n",*pulProperty));
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break;
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case KSPROPERTY_BDA_SIGNAL_PRESENT:
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*pulProperty = TunerStatus.fCarrierPresent;
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SkyWalkerDebugPrint(EXTREME_LEVEL,("Signal Present = 0x%02X\n",*pulProperty));
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break;
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case KSPROPERTY_BDA_SIGNAL_STRENGTH:
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*pulProperty = TunerStatus.dwSignalStrength;
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SkyWalkerDebugPrint(EXTREME_LEVEL,("Signal Strength = %lu\n", *pulProperty));
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break;
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default:
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ntGetStatus = STATUS_INVALID_PARAMETER;
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}
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}
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}
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PrintFunctionExit(__FUNCTION__,ntGetStatus);
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return ntGetStatus;
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}
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