We've tried producing sound on two different AT91SAM9261-EK development boards 
without success. 
We've confirmed that the micro is sending commands (over SPI) and data (over 
I2S).  

alsamixer was run, and the sound unmuted for PCM, with volume controls set 
using the down and upper arrows on the keyboard. But running aplay doesn't 
result in sound being produced. Versions of Alsa-Utils, Alsa-lib and 
alsa-driver: 1.0.13.

Any ideas on what could be going wrong ?

thanks,
Janesh



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