[alsa-devel] asoc: no valid backend routes for PCM

[Liam Girdwood]

Please don't drop the list from replies.

On 22/08/11 06:38, sarika baby wrote:
> Hello,
> Thanks for your information, but can you tell that if i have to add the audio route should i have to do it at kernel drivers level or else at ALSA (mydroid level) ?
> 

The routes are all configured in userspace with either UCM, alsamixer, amixer or by calling the alsa-lib C API.

Liam

> Thanks and Regards
> Soujanya
> 
> On Fri, Aug 19, 2011 at 9:50 PM, Liam Girdwood <lrg at ti.com <mailto:lrg at ti.com>> wrote:
> 
>     On 19/08/11 08:53, Sarika wrote:
>     > Hello,
>     >   I am not able to hear audio on my headset when it connect it to panda board.
>     > What mite be the issue?
> 
>     This means you have no valid audio route from your pcm device to your headphone.
> 
>     Please use the supplied UCM configuration files (with Ubuntu) to set the route or use alsamixer to do this manually.
> 
>     http://www.omappedia.org/wiki/Audio_Drive_Arch
> 
>     >   Also panda does not has DMIC does this make any difference ?
>     >
> 
>     No.
> 
>     Liam
> 
>     > Regards
>     > Sarika
>     >
>     >
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> 
> 
> 
> 
> -- 
> SarikA
>