[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
Takashi Iwai
tiwai at suse.de
Fri Mar 26 11:15:26 CET 2010
At Fri, 26 Mar 2010 10:58:55 +0100 (CET),
Jaroslav Kysela wrote:
>
> 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
> reset).
OK, thanks.
Don't forget to change module_param() type from bool to int in that
case.
Takashi
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