From mboxrd@z Thu Jan 1 00:00:00 1970 From: Takashi Iwai Subject: Re: ASoC talk at CELF conference Date: Fri, 07 Apr 2006 15:08:42 +0200 Message-ID: References: <1144240956.25035.43.camel@localhost.localdomain> Mime-Version: 1.0 (generated by SEMI 1.14.6 - "Maruoka") Content-Type: text/plain; charset=US-ASCII Return-path: In-Reply-To: <1144240956.25035.43.camel@localhost.localdomain> Sender: alsa-devel-admin@lists.sourceforge.net Errors-To: alsa-devel-admin@lists.sourceforge.net List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , List-Archive: To: Liam Girdwood Cc: alsa-devel List-Id: alsa-devel@alsa-project.org 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 ------------------------------------------------------- This SF.Net email is sponsored by xPML, a groundbreaking scripting language that extends applications into web and mobile media. Attend the live webcast and join the prime developer group breaking into this new coding territory! http://sel.as-us.falkag.net/sel?cmd=lnk&kid=110944&bid=241720&dat=121642