From mboxrd@z Thu Jan 1 00:00:00 1970 From: hong zhang Subject: Re: asoc: no valid backend routes for PCM: SDP4430 Media Date: Thu, 9 Jun 2011 10:52:07 -0700 (PDT) Message-ID: <507506.95203.qm@web161717.mail.bf1.yahoo.com> References: <4DF1076B.70308@ti.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from nm18-vm0.bullet.mail.bf1.yahoo.com (nm18-vm0.bullet.mail.bf1.yahoo.com [98.139.213.138]) by alsa0.perex.cz (Postfix) with SMTP id AE508103BE1 for ; Thu, 9 Jun 2011 19:52:09 +0200 (CEST) In-Reply-To: <4DF1076B.70308@ti.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: Liam Girdwood Cc: "alsa-devel@alsa-project.org" List-Id: alsa-devel@alsa-project.org --- On Thu, 6/9/11, Liam Girdwood wrote: > From: Liam Girdwood > Subject: Re: [alsa-devel] asoc: no valid backend routes for PCM: SDP4430 Media > To: "hong zhang" > Cc: "alsa-devel@alsa-project.org" > Date: Thursday, June 9, 2011, 12:48 PM > On 09/06/11 18:45, hong zhang wrote: > > Liam, > > > > Arecord gets data from DMIC! Using following > commands. > > > > "arecord -f dat -D plughw:0,0 dmic.wav" with "amixer > cset numid=61 1 and > > amixer cset numid=60 2" to get data from DMIC after > turning off two analog captures. > > > > Information from "arecrod -l" is not sync with ABE > routing table. For example, "arecord -l" indicates hw:0,10 > is DMIC capture but > > ABE diagram indicates plughw:0,0 can be used for DMIC > input. > > > > Are "arecord -l" and "aplay -l" still useful? > > Yes, but not for OMAP4 atm. 1. What is OMAP4 ATM? 2. Why "hw:0,10 DMIC capture" does not work for DMIC input? > Thanks > > Liam >