Sorry, just read the note below the schematic for Rev D2 that says the I2C address is not configurable because of the change from 32-pin to 20-pin SGTL5000.
I searched the forum but didn't find an answer to this question.
It looks like the connection to the I2C address line was removed between Rev D and Rev D2. In that case, how do you communicate with the second audio...
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