From mboxrd@z Thu Jan 1 00:00:00 1970 From: Liam Girdwood Subject: Re: asoc: no valid backend routes for PCM: SDP4430 Media Date: Thu, 9 Jun 2011 18:48:27 +0100 Message-ID: <4DF1076B.70308@ti.com> References: <755530.75651.qm@web161714.mail.bf1.yahoo.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from bear.ext.ti.com (bear.ext.ti.com [192.94.94.41]) by alsa0.perex.cz (Postfix) with ESMTP id 89192103BC0 for ; Thu, 9 Jun 2011 19:48:35 +0200 (CEST) In-Reply-To: <755530.75651.qm@web161714.mail.bf1.yahoo.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: hong zhang Cc: "alsa-devel@alsa-project.org" List-Id: alsa-devel@alsa-project.org 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. Thanks Liam > > ---henry > > > --- 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, 4:42 AM >> Hi Henry, >> >> On 08/06/11 20:08, hong zhang wrote: >>> Liam, >>> >>> I have downloaded kernel tar ball. Three questions >> need your help. >>> >>> 1. which defconfig should be used in >> arch/arm/configs? >>> I do not see OMAP4 for SDP4430 (blaze >> board). Panda does not have DMIC >>> only blaze has it. >>> >> >> There is an omap2plus defconfig. >> >>> 2. On blaze board, I have to turn off two analog >> captures and leave DMIC open. Can you verify my gst-launch >> is correct? I cannot capture voice from DMIC on OMAP4 blaze >> board us it. >>> >>> gst-launch-0.10 -v alsasrc >> num-buffers=1000 ! >> 'audio/x-raw-int,rate=8000,channels=1,endianness=1234,width=16,depth=16' >> ! audioconvert ! wavenc! filesink >> location=/home/normanc/Desktop/8000.wav >>> >>> 3. If I specify DMIC device, command is rejected. >>> >>> gst-launch-0.10 -v alsasrc device="hw:0,10" >> num-buffers=1000 ! 'audio/x-raw-int, >> rate=8000,channels=1,endianness=1234,width=16,depth=16' ! >> audioconvert ! wavenc! filesink >> location=/home/normanc/Desktop/8000.wav >>> >> >> The easiest thing todo first is to get arecord working. Use >> hw:0,1 for DMIC and make sure you use alsamixer to configure >> the correct audio paths for DMIC to hw:0,1. >> >>> TI support team in France says item 2 should work for >> DMIC. But I simply could not get it. TI team says item 2 >> works for "official release 2.6.35-990-omap4 #9". >>> >>> I have spent 1 week on it with 2.6.35-990-omap4 #9 >>> >>> Please advise! >>> >> >> It does look like you have not configured the audio route >> here for the DMIC to hw:0,1. Use the ABE diagram to create >> your route with alsamixer. >> >> Liam >> >>> Thanks. >>> >>> ---henry >>> >>> --- On Wed, 6/8/11, 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: Wednesday, June 8, 2011, 9:22 AM >>>> On 07/06/11 20:59, hong zhang wrote: >>>>> Liam, >>>>> >>>>> Actually, I could not prove DMIC on OMAP4 >> blaze board >>>> is working in both kernel 2.6.35 and 2.6.38 using >> arecord >>>> and gstreamer-alsa. >>>>> >>>>> In 2.6.35, arecord returns 44 bytes with read >> error >>>>> In 2.6.38, arecord collects native data. >>>>> >>>>> Gstreamer-alsa could not get voice after >> turning off >>>> analog captures using amixer. >>>>> >>>>> Any information regarding DMIC on OMAP4? I see >> people >>>> send DMIC patch to 2.6.38. >>>>> >>>> >>>> DMIC works on OMAP4, can you try my branch :- >>>> >>>> https://gitorious.org/omap-audio/linux-audio/commits/lrg/topic/omap-asoc-next-3.1 >>>> >>>> Liam >>>> >>>> >> >> _______________________________________________ >> Alsa-devel mailing list >> Alsa-devel@alsa-project.org >> http://mailman.alsa-project.org/mailman/listinfo/alsa-devel >>