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

Liam Girdwood lrg at ti.com
Fri Aug 19 18:20:39 CEST 2011


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
> 
> 
> _______________________________________________
> Alsa-devel mailing list
> Alsa-devel at alsa-project.org
> http://mailman.alsa-project.org/mailman/listinfo/alsa-devel



More information about the Alsa-devel mailing list