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Hi Marco,

> I don't know i2s well enough to have a strong opinion here - my gut  
> feeling is that the gpios depend more on i2s than anything else  
> though. Also, I'm not so sure anymore that putting the DMA stuff  
> into a separate driver is such a good idea - too many layers. Maybe  
> just have i2s and awacs pull the DMA code in as a dependency?
...
> I think the codecs know best which gpios they need and where to  
> look for them. Then again, unifying i2s and awacs doesn't look all  
> that straight forward anymore.

Hmm, that doesn't sound right.
So, I'm no longer sure that unifying i2s and awacs will work right, I  
think factoring out the DMA code and pulling it in as dependency is  
the least painful way here. That said, I hereby drop my reservations  
about putting the gpio stuff into i2s, I think you're right about  
having all that in one place. I would still like the sound-objects  
parser to be mostly abstract so it can be used by both i2s and awacs.

have fun
Michael
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