[alsa-devel] Fwd: Problems with hda_intel, Santa Rosa, and suspend

Takashi Iwai tiwai at suse.de
Wed Jun 27 14:42:57 CEST 2007

At Mon, 25 Jun 2007 15:16:41 -0500,
Matt Mullins wrote:
> On 6/25/07, Takashi Iwai <tiwai at suse.de> wrote:
> > > Yes, single_cmd mode is used always.
> > That's bad.
> I believe we have established that.  What can I do about it?  *Can* I
> do anything about it?  What functions should I start debugging?  Has
> this happened with other codecs before?  What documentation will I
> need or want other than the Intel HDA and STAC9205 specifications?

Similar problems have been seen in some laptops, too.  I vaguely
remember that they need some ACPI-related boot options to fix it
somehow.  I think it's likely irrelevant with the codec chip, but
rather a problem of the controller side.

> I'm definitely willing to help work on this, as not many people have
> this hardware.  I'm just new to the sound system, so I'm still trying
> to figure out what-calls-what.


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