Re: [coreboot] [PATCH] sb600: don't load verb for codec

[Carl-Daniel Hailfinger]

On 05.03.2010 11:13, Stefan Reinauer wrote:
> On 3/5/10 10:29 AM, Bao, Zheng wrote:
> > Don't load verb in BIOS stage. It is not BIOS's responsibility.
>
> Who is responsible for that, then?
>
> On i945 I definitely don't get sound on most systems if I don't load the
> verb in coreboot. I also don't think the Linux drivers do it.
> > And we can not have verb for every single codec.
>
> Have a look at the i82801gx southbridge; I think it was based on the
> sb600 code, but I changed it so I can have a per mainboard verb table.

I think we should try to mirror the behaviour of the vendor BIOS. The
Linux kernel source has some interesting info about HD Audio:
http://www.mjmwired.net/kernel/Documentation/sound/alsa/HD-Audio.txt

Regards,
Carl-Daniel