[alsa-devel] asoc: no valid backend routes for PCM: SDP4430 Media

Liam Girdwood lrg at ti.com
Wed Jun 8 16:22:45 CEST 2011

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 :-



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