Re: ASoC talk at CELF conference

[Takashi Iwai <tiwai@suse.de>]

At Wed, 05 Apr 2006 13:42:36 +0100,
Liam Girdwood wrote:
> 
> I'd like to announce that I'm presenting a talk on ASoC at the CELF
> conference in San Jose on the 11th - 12th April.
> 
> The conference website is here:-
> 
> http://www.celinux.org/elc2006/index.html
> 
> My talk is titled "Enhancing ALSA for portable devices" and discusses
> new features in ASoC that will make ALSA better for portable and
> cellular devices. 
> 
> Topics include:
> 
>  o Dynamic Audio Power Management (DAPM)
>  o Digital Audio Interface (DAI) matching and optimising for low power.
>  o Pop and click reduction
>  o Dealing with external audio events (i.e. jack insertion)

That's interesting.

Currently, hda-intel driver achieves it via workqueue.  A codec issues
an irq for an unsolicited event, and the driver puts the event to a
workq that is processed asynchronously.


>  o Usage Scenario setting.
> 
> There is source code at http://www.rpsys.net/openzaurus/patches/alsa/
> for the first three topics. The last two topics are still in the
> planning stage and I'll be posting an RFC to the list shortly after my
> return.
> 
> I'm hoping to submit ASoC to alsa-kernel at the end of April / start of
> May. It's relatively stable now and is in need of some further
> documentation before submission. 

Good to hear.  Sooner is better for merge ;)


Takashi


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