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

[Takashi Iwai]

At Fri, 12 Dec 2008 03:29:20 -0600,
Alex Austin wrote:
> 
> 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.

As I wrote, the generic parser doesn't work for your codec.
You can improve the generic parser, of course, instead of
codec-specific parser...


Takashi

> 
> 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."
> 
>