From mboxrd@z Thu Jan  1 00:00:00 1970
From: Peter Ujfalusi <peter.ujfalusi@ti.com>
Subject: Re: Sound record on Devkit8000 with DT boot issue
Date: Mon, 11 Feb 2013 19:14:05 +0100
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To: Anil Kumar <anilk4.v@gmail.com>
Cc: alsa-devel@alsa-project.org, tony@atomide.com, devicetree-discuss@lists.ozlabs.org, linux-kernel@vger.kernel.org, Liam Girdwood <liam.r.girdwood@linux.intel.com>, tiwai@suse.de, thomas@tomweber.eu
List-Id: alsa-devel@alsa-project.org

Hi,

On 02/11/2013 06:58 PM, Anil Kumar wrote:
>> Here you should have something like:
>> ti,audio-routing =3D
>>         "Ext Spk", "PREDRIVEL",
>>         "Ext Spk", "PREDRIVER",
>>         "MAINMIC", "Main Mic",
>>         "Main Mic", "Mic Bias 1";
>>
>> So you connect the MicBias1 to Main Mic. When you start playback MicBias=
1 will
>> be turned on for you.
> =

> I tried with this routing (next-20130211 tag kernel). But it is not
> working for me.
> So i have gone through other board and found snd_soc_dapm_route for
> =

> 1) zoom2.c
>        {"MAINMIC", NULL, "Mic Bias 1"},
>        {"Mic Bias 1", NULL, "Ext Mic"},
> =

> 2) omap3pandora.c
>         {"MAINMIC", NULL, "Mic Bias 1"},
>         {"Mic Bias 1", NULL, "Mic (internal)"},
> =

> But for omap-twl4030.c it is
>         {"MAINMIC", NULL, "Main Mic"},
>         {"Main Mic", NULL, "Mic Bias 1"},
> =

>  It Should will be as ?
>         {"MAINMIC", NULL, "Mic Bias 1"},
>         {"Mic Bias 1", NULL, "Main Mic"},
> =

> Because with this i am able to get audio on Devkit8000 as
>              ti,audio-routing =3D
>                         "Ext Spk", "PREDRIVEL",
>                         "Ext Spk", "PREDRIVER",
>                         "MAINMIC", "Mic Bias 1",
>                         "Mic Bias 1", "Main Mic";

In 3.9 this should not work...

linux-next should not have zoom2 at least and I converted the machine drive=
rs
as well in regards to micbias handling:
e04d6e5 ASoC: twl4030: Convert MICBIAS to SUPPLY widget
57d61b9 ASoC: OMAP: Remove obsolete machine drivers for Zoom2 and SDP3430

-- =

P=E9ter