[alsa-devel] Trying to get unsupported CODEC to work

[Alex Austin]

Perhaps I'm just showing my ignorance, but why are CODEC-specific parser's
necessary? Doesn't /proc/asound/card0/codec#1 contain most of the necessary
info to support it? I know codecgraph displayed much more than the generic
parser offered.

On Fri, Dec 12, 2008 at 3:23 AM, Takashi Iwai <tiwai at suse.de> wrote:

> At Fri, 12 Dec 2008 02:54:25 -0600,
> Alex Austin wrote:
> >
> > Shoot. The DAE-3 is a controller for a 5-CH Amplifier card driving
> speakers
> > directly, but I still need the subwoofer output from the ALC888. I may be
> > able to get by without the ALC using high-level inputs on the sub amp.
> Even
> > without it, what do I need to do to enable the DAE-3? I'm comfortable in
> C,
> > but I don't know ALSA much, if at all, yet.
>
> The codec parser isn't present for DAE-3, and the generic parser
> obviously doesn't work for it.  So, you need to create a new codec
> parser such as other patch_*.c.
>
>
> Takashi
>
> > On Fri, Dec 12, 2008 at 1:02 AM, Takashi Iwai <tiwai at suse.de> wrote:
> >
> > > At Thu, 11 Dec 2008 16:28:28 -0600,
> > > Alex Austin wrote:
> > > >
> > > > HelloI have an MSI Media Live DIVA motherboard. It has an AMD SB600
> HD
> > > Audio
> > > > controller, and two CODECs on the HDA bus.
> > > >
> > > > First is an ALC888
> > > > Second is an Intersil DAE-3.
> > >
> > > The analog outputs on both codecs are really used at the same time?
> > > Then it doesn't work right now.  Simply "not implemented".  And no
> > > concrete plan to fix it yet.  This might require a fundamental
> > > re-design.
> > >
> > >
> > > Takashi
> > >
> > > >
> > > > Two alsa-info outputs in different circumstances
> > > >
> > >
> http://www.alsa-project.org/db/?f=20c86e755fdbbdbc8761c8c2f4de76bce2ea0c11
> > > >
> > >
> http://www.alsa-project.org/db/?f=15c5e5eab0104622a84b2dd0df03f26c17c7242d
> > > >
> > > > Output of codecgraph with "modprobe hda-intel probe_mask=2"
> > > > http://pastebin.com/f54b6a9b8
> > > >
> > > > What's the next step to get this supported?
> > > > --
> > > > - Alex Austin
> > > > (651) 238-9273
> > > >
> > > > "...and then I visited Wikipedia ...and the next 8 hours are a blur."
> > > > _______________________________________________
> > > > Alsa-devel mailing list
> > > > Alsa-devel at alsa-project.org
> > > > http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
> > > >
> > >
> >
> >
> >
> > --
> > - Alex Austin
> > (651) 238-9273
> >
> > "...and then I visited Wikipedia ...and the next 8 hours are a blur."
> > _______________________________________________
> > Alsa-devel mailing list
> > Alsa-devel at alsa-project.org
> > http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
> >
>



-- 
- Alex Austin
(651) 238-9273

"...and then I visited Wikipedia ...and the next 8 hours are a blur."