RFC: [PATCH Upated]: snd-pmac-gpio interfaces for snd-powermac

[Benjamin Herrenschmidt]

On Wed, 2006-03-15 at 19:00 +0100, Johannes Berg wrote:

> Maybe there ought to be a way to disable the fallback when we're on
> newer chips? I don't grok the sound architecture well enough yet to
> tell.

I think we should only use the pfuncs on k2 (ppc64) or when the macio
node contains the include-k2-support property. At least, I +think+
that's what darwin is doing.