[wdmaudiodev] Re: [EXTERNAL] GAudiT mux source test failure

  • From: "Matthew van Eerde" <dmarc-noreply@xxxxxxxxxxxxx> (Redacted sender "Matthew.van.Eerde" for DMARC)
  • To: "wdmaudiodev@xxxxxxxxxxxxx" <wdmaudiodev@xxxxxxxxxxxxx>
  • Date: Mon, 2 Dec 2019 17:18:56 +0000

Please open a support case and provide the support engineer with an .hlkx file 
containing the failing test case. That will hopefully give the test owner 
enough information to answer your question.

From: Eugene Muzychenko<mailto:reg.wad@xxxxxxxxxxxxxx>
Sent: Monday, December 2, 2019 3:03 AM
To: wdmaudiodev@xxxxxxxxxxxxx<mailto:wdmaudiodev@xxxxxxxxxxxxx>
Subject: [EXTERNAL] [wdmaudiodev] GAudiT mux source test failure

My driver supports several PCM data source pins. All pins are connected to a 
multiplexor that supports
KSPROPERTY_AUDIO_MUX_SOURCE. Each pin can either
be in active/accessible state (returns true in
KSJACK_DESCRIPTION::IsConnected) or in passive/inaccessible state
(returns false), so the Audio Properties applet shows them as
"Currently unavailable".

Running GAudiT from Win10 HLKs (up to 1903 one), I see that
GAudiT::Generic_Property_KSNODEPROPERTYULONG_Valid_Test_AUDIO_MUX_SOURCE
tries to set mux source index to a formally existing but currently
inaccessible line. My driver fails this request with
STATUS_INVALID_PARAMETER, and the test case
fails too. If all source lines are enabled, the test succeeds.

Should such test behavior be considered correct? If yes, how to avoid
test failure?

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