From mboxrd@z Thu Jan 1 00:00:00 1970 From: Clemens Ladisch Subject: Re: USB-Audio.conf routing and dmix Date: Wed, 13 May 2015 11:24:32 +0200 Message-ID: <55531850.1020208@ladisch.de> References: <20150509002017.GB18945@freedom> <20150511195734.GA12233@freedom> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from dehamd003.servertools24.de (dehamd003.servertools24.de [31.47.254.18]) by alsa0.perex.cz (Postfix) with ESMTP id EEEC2265CA8 for ; Wed, 13 May 2015 11:24:35 +0200 (CEST) In-Reply-To: <20150511195734.GA12233@freedom> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: alsa-devel-bounces@alsa-project.org To: sylvain.bertrand@gmail.com, alsa-devel@alsa-project.org List-Id: alsa-devel@alsa-project.org sylvain.bertrand@gmail.com wrote: > did I post on the right mailing list for alsa-lib default configuration improvment? Yes. >> I noticed that the proper channels routing was missing from the default generic >> USB pcm The "default" device is supposed to have two channels. >> I guess the proper way would be to detect the hw card number of >> channels and select a route plugin configuration with the correct >> count of channels (maybe their is a function to get that info?). The number of channels can depend on other factors. >> I linked the surround51 and surround71 pcms with the 'disable-able' dmix >> section from the default pcm. These devices are not supposed to use plug or dmix. Regards, Clemens