[alsa-devel] [Fwd: [Alsa-user] Intel Poulsbo(SCH) chipset does not recognize Adi 1986 codec under linux]]

[Kan-I Jyo]

Dear list,

My original mail on this topic was posted to the alsa-user list, while
I was informed that this alsa-devel list would be the right place to
post.

The problem I had encountered is that the Adi 1986 codec chip on my
device with Poulsbo(SCH) chipset could not be recognized by the
snd_hda_intel driver module.

Tobin has kindly given me an advice on trying an ALSA driver that is
later than 1.0.16.final. For a cross-test pupose, I have tried both
the following 1.0.16 and the latest 1.0.17-rc2.

[1.0.16]
ftp://ftp.alsa-project.org/pub/driver/alsa-driver-1.0.16.tar.bz2

[1.0.17-rc2]
ftp://ftp.alsa-project.org/pub/driver/alsa-driver-1.0.17rc2.tar.bz2

By following the guide described in the INSTALL text file in both the
above two packages, I have done make and make install without a
problem.

Unfortunately, both these two version of ALSA driver does not
recognized the Adi 1986 codec and in the dmesg output claiming that
"no codecs found!".

<dmesg>
-- snip --
ACPI: PCI Interrupt 0000:00:1b.0[A] -> GSI 16 (level, low) -> IRQ 17
PCI: Setting latency timer of device 0000:00:1b.0 to 64
ALSA /root/alsa-driver-1.0.16/pci/hda/../../alsa-kernel/pci/hda/hda_intel.c:1887:
hda-intel: no codecs found!
ACPI: PCI interrupt for device 0000:00:1b.0 disabled
ACPI: PCI Interrupt 0000:00:1b.0[A] -> GSI 16 (level, low) -> IRQ 17
PCI: Setting latency timer of device 0000:00:1b.0 to 64
ALSA /root/alsa-driver-1.0.17rc2/pci/hda/../../alsa-kernel/pci/hda/hda_intel.c:2142:
hda-intel: no codecs found!
ACPI: PCI interrupt for device 0000:00:1b.0 disabled
-- snip --

I have also tried applying some module parameters like probe_mask and
position_fix but with no luck.

Actually, we have two machines with Poulsbo(SCH) chipset inside. The
ALSA driver works fine in one(with a chipset's revision of "04") while
it does not work on the other (with a chipset's revision of "06").

Here I attach the "lspci -nnvvvxxxx" result from both two machines.

Any comment would be greatly appericiated. If anyone needs more
information, please let me know.



---------- Forwarded message ----------


2008/6/24 stan <ghjeold_i_mwee at cox.net>:
> This is a response from the alsa-devel list.  I forwarded your message there
> as that was the more appropriate list.
>
>
> Not sure what version of alsa driver you are using, but the driver for that
> chipset was added prior to 1.0.16 final.  Anything after that should work.
>
> Tobin
>
> On Mon, 2008-06-23 at 06:20 -0700, stan wrote:
>
> Sent to wrong list.
>
> email message attachment ([Alsa-user] Intel Poulsbo(SCH) chipset does not
> recognize Adi 1986 codec under linux.eml)
>
> -------- Forwarded Message --------
> From: Kan-I Jyo <cecilhsujp at gmail.com>
> To: alsa-user at lists.sourceforge.net
> Subject: [Alsa-user] Intel Poulsbo(SCH) chipset does not recognize Adi 1986
> codec under linux
> Date: Mon, 23 Jun 2008 20:53:42 +0900
>
> Dear list,
>
> I have recently got a device with Intel's Poulsbo chipset and Adi 1986
> codec attatched.
>
> The Adi 1986 codec along with the Poulsbo chipset could been
> recognized by installing the SoundMAX driver under Windows XP.
>
> While switching to Linux, the snd_intel_hda is loaded but the Adi 1986
> codec could not been seen and there is no "codec#0" entry under
> /proc/asound/card0.
>
> >From what I can see from dmesg, the hda_intel module had complained
> about "no codecs found!".
>
> <dmesg.txt>
> -- snip --
> [   93.463277] PCI: Setting latency timer of device 0000:00:1b.0 to 64
> [   93.463286] Do fixup for Poulsbo <6>D0 or newer stepping
> [   93.463439] HDA snoop disabled, try to enable ... OK
> [   93.491624] hda-intel: no codecs found!
> -- snip --
>
> I have attached both output of dmesg command the "lspci -nnvvvxxx"
> result along with this mail. Any comment would be greatly appreciated.
>
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>
> -- Tobin Davis
>
> 22. The only copy of Norton Utilities was on THAT disk???
>
>       --Top 100 things you don't want the sysadmin to say
>
>

-- 
Sincerely,

Jyo
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