From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mark Brown Subject: Re: [pulseaudio-discuss] alsa ucm in pulseaudio Date: Fri, 14 Oct 2011 13:01:45 +0100 Message-ID: <20111014120145.GE2966@opensource.wolfsonmicro.com> References: <4E97D81E.4080607@canonical.com> <4E97F964.4080701@canonical.com> <4E980CC9.2050303@canonical.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from opensource.wolfsonmicro.com (opensource.wolfsonmicro.com [80.75.67.52]) by alsa0.perex.cz (Postfix) with ESMTP id 69EEC103836 for ; Fri, 14 Oct 2011 14:01:48 +0200 (CEST) Content-Disposition: inline In-Reply-To: <4E980CC9.2050303@canonical.com> 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: David Henningsson Cc: alsa-devel@alsa-project.org, linaro-dev@lists.linaro.org, General PulseAudio Discussion , Colin Guthrie , Feng Wei , Liam Girdwood List-Id: alsa-devel@alsa-project.org On Fri, Oct 14, 2011 at 12:19:53PM +0200, David Henningsson wrote: > On 10/14/2011 11:42 AM, Feng Wei wrote: > >Actually we must map the concepts because ucm is designed for abstract > >the complicated kcontrol. In my mind, if we use ucm in pa, the > >original profile configuration files and mixer configuration files > >will be replaced by ucm configuration files. > Removing the original profile configuration files might be possible > in an embedded scenario, but for all hundreds of different > snd-hda-intel/AC'97/etc configurations out there, writing UCM > configurations to fit all of them is just not scalable. (If so, one > would have to write an auto-UCM tool that autogenerates UCM profiles > based on present hardware.) Yes, writing UCM files for PCs which have reasonably regular and discoverable audio is silly - if UCM is used at all on most desktops it should be with automatically generated configuration.