diff options
Diffstat (limited to 'audio/sysvad/EndpointsCommon/mintopo.cpp')
| -rw-r--r-- | audio/sysvad/EndpointsCommon/mintopo.cpp | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/audio/sysvad/EndpointsCommon/mintopo.cpp b/audio/sysvad/EndpointsCommon/mintopo.cpp index c1e4bc14..9fb2cc21 100644 --- a/audio/sysvad/EndpointsCommon/mintopo.cpp +++ b/audio/sysvad/EndpointsCommon/mintopo.cpp @@ -581,6 +581,100 @@ Return Value: //============================================================================= #pragma code_seg("PAGE") NTSTATUS +CMiniportTopology::PropertyHandlerJackDescription3 +( + _In_ PPCPROPERTY_REQUEST PropertyRequest, + _In_ ULONG cJackDescriptions, + _In_reads_(cJackDescriptions) PKSJACK_DESCRIPTION * JackDescriptions, + _In_ ULONG ConfigId +) +/*++ + +Routine Description: + + Handles ( KSPROPSETID_Jack, KSPROPERTY_JACK_DESCRIPTION3 ) + +Arguments: + + PropertyRequest - + cJackDescriptions - # of elements in the jack descriptions array. + JackDescriptions - Array of jack descriptions pointers. + ConfigId - Current endpoint config id + +Return Value: + + NT status code. + +--*/ +{ + PAGED_CODE(); + + ASSERT(PropertyRequest); + + DPF_ENTER(("[PropertyHandlerJackDescription3]")); + + NTSTATUS ntStatus = STATUS_INVALID_DEVICE_REQUEST; + ULONG nPinId = (ULONG)-1; + + if (PropertyRequest->InstanceSize >= sizeof(ULONG)) + { + nPinId = *(PULONG(PropertyRequest->Instance)); + + if ((nPinId < cJackDescriptions) && (JackDescriptions[nPinId] != NULL)) + { + if (PropertyRequest->Verb & KSPROPERTY_TYPE_BASICSUPPORT) + { + ntStatus = + PropertyHandler_BasicSupport + ( + PropertyRequest, + KSPROPERTY_TYPE_BASICSUPPORT | KSPROPERTY_TYPE_GET, + VT_ILLEGAL + ); + } + else + { + ULONG cbNeeded = sizeof(KSMULTIPLE_ITEM) + sizeof(KSJACK_DESCRIPTION3); + + if (PropertyRequest->ValueSize == 0) + { + PropertyRequest->ValueSize = cbNeeded; + ntStatus = STATUS_BUFFER_OVERFLOW; + } + else if (PropertyRequest->ValueSize < cbNeeded) + { + ntStatus = STATUS_BUFFER_TOO_SMALL; + } + else + { + if (PropertyRequest->Verb & KSPROPERTY_TYPE_GET) + { + PKSMULTIPLE_ITEM pMI = (PKSMULTIPLE_ITEM)PropertyRequest->Value; + PKSJACK_DESCRIPTION3 pDesc = (PKSJACK_DESCRIPTION3)(pMI+1); + + pMI->Size = cbNeeded; + pMI->Count = 1; + + RtlZeroMemory(pDesc, sizeof(KSJACK_DESCRIPTION3)); + + // + // hardware config id + // + pDesc->ConfigId = ConfigId; + + ntStatus = STATUS_SUCCESS; + } + } + } + } + } + + return ntStatus; +} + +//============================================================================= +#pragma code_seg("PAGE") +NTSTATUS CMiniportTopology::PropertyHandlerAudioResourceGroup ( _In_ PPCPROPERTY_REQUEST PropertyRequest |
