[alsa-devel] USB asynchronous mode feedback format
julian at jusst.de
Thu Oct 14 12:27:38 CEST 2010
Am Donnerstag, 14. Oktober 2010, 10:47:06 schrieb lee188 at singnet.com.sg:
> As I have found out, it is not necessary to have the same EP number for IN
> and OUT for rate feedback to work with a Linux or OSX host. This may be a
> requirement for Vista/Win7 hosts though. We are still doing testing.
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.
Seems you implement something quite similiar as I do. How did you design the
measurement for actual feedback data to provide? Following the suggestion in
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