[alsa-devel] [alsa-cvslog] alsa-kernel: Official ALSA project GIT repository for Linux 2.6 branch, devel now at v2.6.34-rc2-55-g0bf0e5a

Jaroslav Kysela perex at perex.cz
Fri Mar 26 10:58:55 CET 2010

On Fri, 26 Mar 2010, Takashi Iwai wrote:

> At Fri, 26 Mar 2010 10:37:56 +0100 (CET),
> noreply-git at alsa-project.org wrote:
>> commit cd508fe58b07499403e806b558c7f15c90442292
>> Author:     Jaroslav Kysela <perex at perex.cz>
>> AuthorDate: Fri Mar 26 10:28:46 2010 +0100
>> Commit:     Jaroslav Kysela <perex at perex.cz>
>> CommitDate: Fri Mar 26 10:37:39 2010 +0100
>>     ALSA: hda-intel - add special 'hwio' model to bypass initialization
>>     Using the 'model=hwio' option, the driver bypasses any codec
>>     initialization and the reset procedure for codecs is also
>>     bypassed. This mode is usefull to enable direct access using
>>     hwdep interface (using hdaverb or hda-analyzer tools) and
>>     retain codec setup from BIOS.
> What is the merit over probe_only=1 option...?

I overlooked this possibility. Anyway, skipping the codec reset might 
help to determine the BIOS settings of codec. I'll update this patch 
(remove changes in hda_codec.c and use bit 1 in probe_only as skip codec 


Jaroslav Kysela <perex at perex.cz>
Linux Kernel Sound Maintainer
ALSA Project, Red Hat, Inc.

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