[wdmaudiodev] Re: Port Class Mini-ports

  • From: "Olivier Roblin" <oroblin@xxxxxxxxxxxx>
  • To: <wdmaudiodev@xxxxxxxxxxxxx>
  • Date: Tue, 22 Apr 2003 11:17:49 +0200

You can set your own manager functions in DriverEntry :
DriverObject->MajorFunction[IRP_MJ_CREATE]  = YourOwn;
DriverObject->MajorFunction[IRP_MJ_DEVICE_CONTROL]]  = YourOwn;
etc...
I did it a few times..

Olivier



----- Original Message -----
From: <bart@xxxxxxxxxxxxx>
To: <wdmaudiodev@xxxxxxxxxxxxx>
Sent: Tuesday, April 22, 2003 11:09 AM
Subject: [wdmaudiodev] Re: Port Class Mini-ports


>
>
> > Actually, nothing prevents you from using Port Class with USB, Fire
Wire,
> > etc...You get audio data from the OS with the PCI MiniPort, and you can
then
> > send them on the USB for example. But the Port Class doesn't provide any
> > service to do that!
> >
> The largest problem I found is to handle the PNP IRP's as they are not
> passed by PortCls to the miniport (whithout some indecent hacking anyway).
> The same goes for DeviceIOCTL's.
>
> Regards,
> Bart
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