[wdmaudiodev] Re: DPC question

  • From: Matt Gonzalez <matt@xxxxxxxxxxxxx>
  • To: wdmaudiodev@xxxxxxxxxxxxx
  • Date: Wed, 29 Oct 2003 14:38:50 -0800

Are you returing ServiceGroupWave for the NewStream call? That might be the problem - check out the docs for IServiceGroup in the 2003 DDK.

Matt

Markus Bollinger wrote:

Hello!

I am writing a new driver based on the AC97 sample
(WavePCI).

In my InterruptServiceRoutine I demand a
that->Port->Notify
(that->Streams[PIN_WAVEOUT_OFFSET]->ServiceGroup);
!AND! a
that->m_Port->Notify (that->ServiceGroupWave);
to have an additional Service get called in my
CMiniportWaveICH (I need this);

I observe that my CMiniportWaveICH::Service()
gets called, but not the
CMiniportWaveICHStream::Service(), where I'd like to
Release and get some mappings.

Anybody has an idea why ?

Markus.

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