Ah-ha! I found something on this finally.  Google for "Microsoft
Device Driver Interface for HD Audio".  Look for where it starts
talking about AllocateDMABuffer.  From reading this, it's quite
possible to get this to work.  It's just not as straightforward as
other drivers.

It sure would be nice if we could rig up something to reflect the full
capability of this chipset regarding mapping (you'll see in the
document), but I dont know if our API could handle that.
Where did you go, kent-audio2? :(

Regards,

--Blair

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