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Gmane
From: Tobin Davis <tdavis <at> dsl-only.net>
Subject: Re: Recently committed change to kernel 2.6.20.2 breaks snd-hda-intel on AOpen EZ482
Newsgroups: gmane.linux.alsa.devel
Date: Saturday 17th March 2007 08:22:51 UTC (over 10 years ago)
Thanks.  This was actually discovered earlier this week and a change
specific to ATI chipsets has been made.  Attached is the new patch that
was added to alsa.

Tobin

On Sat, 2007-03-17 at 18:05 +1100, Huw Hawkins wrote:

> Hi,
>   The change under kernel 2.4.20.2 which reduced the
> number of codexs (as in the below bit of the patch
> files) from 4 to 3 stops the sound card properly
> initialising (failed with an error about not finding
> codecs). Bumping it back up to 4 gets me my sound
> devices back again.
> 
> --------------------------------------------------
> 
> diff --git a/sound/pci/hda/hda_intel.c
> b/sound/pci/hda/hda_intel.c
> index 1a7e821..77f8ec7 100644
> --- a/sound/pci/hda/hda_intel.c
> +++ b/sound/pci/hda/hda_intel.c
> @@ -199,7 +199,7 @@ enum { SDI0, SDI1, SDI2, SDI3,
> SDO0, SDO1, SDO2, SDO3 };
> 
>  /* STATESTS int mask: SD2,SD1,SD0 */
>  #define STATESTS_INT_MASK      0x07
> -#define AZX_MAX_CODECS         4
> +#define AZX_MAX_CODECS         3
> 
> -----------------------------------------------
> 
> OUtput os lspci -vv is as follows:
> 
> 00:14.2 Audio device: ATI Technologies Inc SB450 HDA
> Audio (rev 01)
>         Subsystem: AOPEN Inc. Unknown device 0569
>         Control: I/O- Mem+ BusMaster+ SpecCycle-
> MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
>         Status: Cap+ 66MHz- UDF- FastB2B- ParErr-
> DEVSEL=slow >TAbort- SERR-          Latency: 64, Cache Line Size: 32 bytes
>         Interrupt: pin ? routed to IRQ 16
>         Region 0: Memory at fe024000 (64-bit,
> non-prefetchable) [size=16K]
>         Capabilities: [50] Power Management version 2
>                 Flags: PMEClk- DSI- D1- D2-
> AuxCurrent=55mA PME(D0+,D1-,D2-,D3hot+,D3cold+)
>                 Status: D0 PME-Enable- DSel=0 DScale=0
> PME-
>         Capabilities: [60] Message Signalled
> Interrupts: Mask- 64bit+ Queue=0/0 Enable-
>                 Address: 0000000000000000  Data: 0000
> 
> ----------------------------------------------
> 
>   I'm not on this list so please CC me in any reply,
> or if more info is required. I couldn't see this in
> the bugtrack, although admittedly I didn't look too
> hard so appologies if it is known.
> 
> Thanks
> 
> Huw
> 
> huwrh at yahoo dot com dot au
> 
> Send instant messages to your online friends http://au.messenger.yahoo.com 
> 
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-- 
Tobin Davis 
 
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