From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mark Brown Subject: Re: UCM questions Date: Fri, 21 Jan 2011 16:43:29 +0000 Message-ID: <20110121164329.GB6200@opensource.wolfsonmicro.com> References: <20110121113744.GA18682@sirena.org.uk> Mime-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Return-path: Received: from opensource2.wolfsonmicro.com (opensource.wolfsonmicro.com [80.75.67.52]) by alsa0.perex.cz (Postfix) with ESMTP id 85E4A1037F5 for ; Fri, 21 Jan 2011 17:43:32 +0100 (CET) Content-Disposition: inline In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: alsa-devel-bounces@alsa-project.org Errors-To: alsa-devel-bounces@alsa-project.org To: pl bossart Cc: alsa-devel@alsa-project.org, lrg@slimlogic.co.uk List-Id: alsa-devel@alsa-project.org On Fri, Jan 21, 2011 at 09:12:51AM -0600, pl bossart wrote: > > The device/use case names there are just defaults, systems can add their > > own. =A0The default set of use cases and devices are likely to handle > > most cases but there's going to be a dependence on the system > > integration. > I am fine with a system-specific configuration file for each use case, > but if I have to change the defines in alsa-lib it's a bit of a pain. > It'll imply branches and specific packages just for a stupid include > file. If the define isn't there you should just be able to use a string - no need to update the header file unless the thing being added is sufficiently general that it seems like a good idea. > >> - has anyone generated a typical configuration file for USB and > >> HDAudio? I only see an OMAP conf. > > Someone asked this at LPC as well - my thought there is that probably > > PC systems would be happier trying to work without explicit use case > > configuration as they are currently. > Humm, not sure people are totally happy with audio on Linux PC > systems... we still don't have a simple solution for > routing/configuration/policy, UCM could provide simple hooks for users > (or PulseAudio) to do what they do most, e.g for a voice call the > headset is used while for movies the HDMI output is used. It's certainly useful for overriding the default behaviour - I'm more worried about the idea of using it for the default.