From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S265810AbTGKUOg (ORCPT ); Fri, 11 Jul 2003 16:14:36 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S265325AbTGKUOY (ORCPT ); Fri, 11 Jul 2003 16:14:24 -0400 Received: from blis-tech.demon.co.uk ([80.177.20.20]:53243 "EHLO homer.exize.com") by vger.kernel.org with ESMTP id S264679AbTGKUMR (ORCPT ); Fri, 11 Jul 2003 16:12:17 -0400 Subject: Re: PATCH: AC97 updates from 2.4 From: Liam Girdwood To: Jeff Garzik Cc: Alan Cox , linux-kernel@vger.kernel.org, torvalds@transmeta.com, Liam Girdwood In-Reply-To: <20030711184706.GD16037@gtf.org> References: <200307111809.h6BI9Zd5017272@hraefn.swansea.linux.org.uk> <20030711184706.GD16037@gtf.org> Content-Type: text/plain Organization: Message-Id: <1057955207.3607.25.camel@odin> Mime-Version: 1.0 X-Mailer: Ximian Evolution 1.2.2 (1.2.2-4) Date: 11 Jul 2003 21:26:47 +0100 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Fri, 2003-07-11 at 19:47, Jeff Garzik wrote: > On Fri, Jul 11, 2003 at 07:09:35PM +0100, Alan Cox wrote: > > > > This deals with several things > > - Codecs that think they are modems but are not > > - Abstracting modem detection out of drivers > > - Abstracting digital switching out of drivers > > - Codecs that have no volume control > > - Codec plugins for specific setups > > - Codec plugins for things like touchscreen/batmon on AC97 > > - More codec handlers > > > > The plugin API is intentionally modelled on the other driver_register > > type interfaces. > > Adding another relevant point: > Only weirdos like me use the old OSS drivers, so this patch does not > affect the current (rather than deprecated) audio drivers. > I would eventually like to see something similar to this in ALSA. I wrote the touchscreen driver plugin and an ALSA AC97 plugin API will probably be needed before this time next year to keep Linux up to date in the PDA/Tablet/Portable space. Eventually we may need an I2S and/or Azalia (next gen audio) API layer for such devices. I intend to speak to the ALSA guys as soon as the OSS plugin driver has stabilised. Cheers Liam