[alsa-devel] USB asynchronous mode feedback format

Daniel Mack daniel at caiaq.de
Thu Oct 14 12:48:55 CEST 2010

On Thu, Oct 14, 2010 at 12:27:38PM +0200, Julian Scheel wrote:
> thanks a lot! You made my day (c:
> Using EP5 for feedback makes it working. So I now get the data out even in 
> async mode. Currently I have a problem left that channel assignment jumps here 
> and then. Probably a buffering issue...
> Also neither a SRC4192  (sample rate converter) nor a PCM1794 (dac) seem to be 
> able to understand what I am sending right now... Not sure why. Looking at the 
> measurements it really looks like a proper I2S signal.

Can you send oscilloscope screenshots? Which data format are you using?


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