On Wed, Aug 26, 2009 at 06:30:52PM +0530, Aggarwal, Anuj wrote:

> I am trying to capture audio through LineIn on my OMAP3517 EVM, using 
> AIC23 codec and McBSP1, and getting the following error:

> arecord: pcm_read:1529: read error: Input/output error

That suggests that DMA isn't happening - might be worth checking to see
that clocks are being generated properly.

> Playback is working fine using the same combination. 

> I have tried using another instance of AIC23 codec which uses McBSP2 
> and both playback & capture works fine there.

> Has anyone faced this issue before? Any suggestions?

Which kernel are you using?  There are rather a lot of McBSP changes
queued up for 2.6.32.  If this ever worked in the past a git bisect
might be interesting.
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