[wdmaudiodev] Re: GAudit and KSPROPERTY_PIN_PROPOSEDATAFORMAT (GET)
- From: Matthew van Eerde <Matthew.van.Eerde@xxxxxxxxxxxxx>
- To: "wdmaudiodev@xxxxxxxxxxxxx" <wdmaudiodev@xxxxxxxxxxxxx>
- Date: Sun, 19 May 2013 18:02:45 +0000
hdaudio.sys supports KSPROPERTY_PIN_PROPOSEDATAFORMAT (GET) on HDMI outputs.
There was a known test bug in GAudiT where the KSPROPERTY_PIN_PROPOSEDATAFORMAT
test cases would incorrectly call the wrong test functions, and end up testing
KSPROPERTY_PIN_CONSTRAINEDDATARANGES instead. This was fixed in July 2009. But
it doesn't seem to match your symptoms.
Can you post (or send me privately) the full log for the failing test case?
-----Original Message-----
From: wdmaudiodev-bounce@xxxxxxxxxxxxx
[mailto:wdmaudiodev-bounce@xxxxxxxxxxxxx] On Behalf Of Eugene Muzychenko
Sent: Sunday, May 19, 2013 3:53 AM
To: wdmaudiodev@xxxxxxxxxxxxx
Subject: [wdmaudiodev] GAudit and KSPROPERTY_PIN_PROPOSEDATAFORMAT (GET)
Hello!
Recently I have implemented KSPROPERTY_TYPE_GET in
KSPROPERTY_PIN_PROPOSEDATAFORMAT handling (KSPROPERTY_TYPE_SET was implemented
earlier and works normally). Testing my driver with GAudit, I always get
failures on all 16.200:400.13.x cases (KS
properties\KSPROPSETID_Pin\KSPROPERTY_PIN_PROPOSEDATAFORMAT\xxx). On log level
10, each case reports only follwing messages:
Property SET is supported
Property GET is supported
Failed to retrieve pin property
I set breakpoints on the property handler and saw that it called exactly two
times for each case. Each time the handler is called with
KSPROPERTY_TYPE_BASICSUPPORT flag and output buffer size 4. As required, my
driver returns only access flags (KSPROPERTY_TYPE_GET |
KSPROPERTY_TYPE_SET) and STATUS_SUCCESS. No calls with flags other than
KSPROPERTY_TYPE_BASICSUPPORT are made. The handler never fails
PROPOSEDATAFORMAT requests received from GAudit.
If I disable GET support by removing KSPROPERTY_TYPE_GET from AccessFlags, all
these cases are passes successfully.
Tried x86 GAudit from WLKs 1.6.8367 and 1.2.6475, both from wlk and wlk\xp
subdirectories. All four behave exactly the same way.
Tried with other audio drivers but none of them support PROPOSEDATAFORMAT/GET
so these cases are passes successfully.
Is there the same GAudit bug in different WLK releases or such BASICSUPPORT
requests must be processed a special way?
Regards,
Eugene
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