[snd_hda] Sound problem on Macbook pro model 3.1

[Alexander Motin]

Patrick Lamaizière wrote:
> That's not a real problem, but the driver does not use coherent numbers
> for the associations.
> By instance for the quirk hint.hdac.0.cad0.nid21.config="as=4 seq=15",
> it displays 
> hdac0: Enabling headphone/speaker audio routing switching:
> hdac0:  as=3 sense nid=21 [UNSOL]
> 
> Why "as=3" instead "as=4"?

There is two different numberings, internal (driver) and external (UAA). 
Internal numbers are unique to identify association, while external are 
not. UAA specifies that there can be several as=15 pins which are not 
associated (each is them a part of his own association).

-- 
Alexander Motin