From mboxrd@z Thu Jan 1 00:00:00 1970 From: Raymond Yau Subject: Re: [RFC] Remove non-exist device and control from snd-ymfpci Date: Wed, 21 Sep 2011 10:03:59 +0800 Message-ID: References: <4E7711BD.9010208@ladisch.de> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mail-fx0-f51.google.com (mail-fx0-f51.google.com [209.85.161.51]) by alsa0.perex.cz (Postfix) with ESMTP id 09B0B24BDC for ; Wed, 21 Sep 2011 04:04:01 +0200 (CEST) Received: by fxe22 with SMTP id 22so1211263fxe.38 for ; Tue, 20 Sep 2011 19:03:59 -0700 (PDT) In-Reply-To: <4E7711BD.9010208@ladisch.de> 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: Clemens Ladisch , ALSA Development Mailing List List-Id: alsa-devel@alsa-project.org 2011/9/19 Clemens Ladisch : > Raymond Yau wrote: > >> How about device 1 spdif since this card does not have spdif connector ? > > How could this be detected? > >> what is the difference of capture device 0 and device 3 ? > > The default device can mix lots of sources together; the AC'97 device is > a direct input from the AC'97 codec. > ymf724f does not support I2S Zoom Video Input and my ymf724f sound card does no have digital input so the function of capture device 0 and device 1 of my ymf724f are the same and it seem that they can used for recording concurrently and the vumeter of two instances of arecord change at the same time arecord -vv -D hw:0,0 -f cd /dev/null arecord -vv -D hw:0,3 -f cd /dev/null Does this mean that it allow two duplex application at the same time if it can be combined to 2 subdevices