I need to display speaker connection status in a portcls audio driver. To begin I have modified audio/msvad/simple code in the DDK 6000. But the jack is not displayed on the audio panel and the KsStudio does not show the KSPROPERTY_JACK_DESCRIPTION when the driver is instantiated. The code is below. Any help or code sample would be appreciated. Thanks, Nikolay static PCPROPERTY_ITEM PropertiesJack[] = { { &KSPROPSETID_Audio, KSPROPERTY_JACK_DESCRIPTION, KSPROPERTY_TYPE_GET | KSPROPERTY_TYPE_BASICSUPPORT, PropertyHandler_Topology }, { &KSPROPSETID_Audio, KSPROPERTY_AUDIO_CPU_RESOURCES, KSPROPERTY_TYPE_GET | KSPROPERTY_TYPE_BASICSUPPORT, PropertyHandler_Topology } }; DEFINE_PCAUTOMATION_TABLE_PROP(AutomationJack, PropertiesJack); // KSPIN_TOPO_LINEOUT_DEST (output jack) { 0, 0, 0, // InstanceCount &AutomationJack, // AutomationTable { // KsPinDescriptor 0, // InterfacesCount NULL, // Interfaces 0, // MediumsCount NULL, // Mediums SIZEOF_ARRAY(PinDataRangePointersBridge), // DataRangesCount PinDataRangePointersBridge, // DataRanges KSPIN_DATAFLOW_OUT, // DataFlow KSPIN_COMMUNICATION_NONE, // Communication &KSNODETYPE_SPEAKER, // Category NULL, // Name 0 // Reserved } }, // KSPROPERTY_JACK_DESCRIPTION handler NTSTATUS CMiniportTopologyMSVAD::PropertyHandlerJack ( IN PPCPROPERTY_REQUEST PropertyRequest ) { NTSTATUS ntStatus = STATUS_INVALID_DEVICE_REQUEST; typedef struct { KSMULTIPLE_ITEM mult_item; KSJACK_DESCRIPTION dsc; } tJackProperty; tJackProperty * pJackProperty; if (PropertyRequest->Verb & KSPROPERTY_TYPE_GET) { ntStatus = ValidatePropertyParams(PropertyRequest, sizeof(tJackProperty)); if (NT_SUCCESS(ntStatus)) { pJackProperty = (tJackProperty *)PropertyRequest->Value; pJackProperty->mult_item.Size = sizeof(tJackProperty); pJackProperty->mult_item.Count = 1; pJackProperty->dsc.ChannelMapping = 1; //ePcxChanMap_Unknown; pJackProperty->dsc.Color = 0x808080; // Grey? pJackProperty->dsc.ConnectionType = eConnTypeUnknown; pJackProperty->dsc.GeoLocation = eGeoLocFront; pJackProperty->dsc.GenLocation = eGenLocOther; pJackProperty->dsc.PortConnection = ePortConnUnknown; pJackProperty->dsc.IsConnected = getSpeakerConnectionStatus(); } } else if (PropertyRequest->Verb & KSPROPERTY_TYPE_BASICSUPPORT) { ntStatus = PropertyHandler_BasicSupport ( PropertyRequest, KSPROPERTY_TYPE_GET | KSPROPERTY_TYPE_BASICSUPPORT, VT_ILLEGAL ); } return ntStatus; } ****************** WDMAUDIODEV addresses: Post message: mailto:wdmaudiodev@xxxxxxxxxxxxx Subscribe: mailto:wdmaudiodev-request@xxxxxxxxxxxxx?subject=subscribe Unsubscribe: mailto:wdmaudiodev-request@xxxxxxxxxxxxx?subject=unsubscribe Moderator: mailto:wdmaudiodev-moderators@xxxxxxxxxxxxx URL to WDMAUDIODEV page: http://www.wdmaudiodev.com/