[alsa-devel] Realtek ALC889: HDA Intel and kernel 3.0 gives choppy sound

[Colomban Wendling]

Le 27/07/2011 15:07, Takashi Iwai a écrit :
> At Wed, 27 Jul 2011 14:53:55 +0200,
> Colomban Wendling wrote:
>>
>> Le 27/07/2011 13:20, Takashi Iwai a écrit :
>>> At Wed, 27 Jul 2011 13:14:41 +0200,
>>> Colomban Wendling wrote:
>>>>
>>>>> Also, you can replace the files in sound/pci/hda/* from 2.6.39 kernel
>>>>> tree.  If this fixes the problem, it's a sound driver bug.  If not,
>>>>> it's anything else, e.g. the problem in more core side, e.g. IOMMU
>>>>> like above or the timer change, etc.
>>>>
>>>> Hey, that was a great idea! I reverse-patched sound/pci/hda of 3.0 with
>>>> 2.6.39.3, and it fixes the problem! :)
>>>
>>> OK, then try to replace only sound/pci/hda/hda_intel.c and keep the
>>> rest.  What happens?
>>
>> Doesn't work, that sound is choppy again.
> 
> OK, then keep hda_intel.c as 3.0 and replace the rest.
> If this works, please give alsa-info.sh output (run with --no-upload
> option).

It works! Attached is the alsa-info.sh output on this working version:
3.0 with 2.6.39.3 sound/pci/hda, but with 3.0's sound/pci/hda/hda_intel.c

Regards,
Colomban
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