I know this is a long-shot, but just in case I'm missing some magic setting:
Is it possible to configure a McASP set-up for S/PDIF in a "continuous Tx" mode, so that it will transmit digital silence (0 data) when there is no other data to transmit?
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I know this is a long-shot, but just in case I'm missing some magic setting:
Is it possible to configure a McASP set-up for S/PDIF in a "continuous Tx" mode, so that it will transmit digital silence (0 data) when there is no other data to transmit?
I'm pretty sure you don't need to reset the clock generation. Just put the transmit serializers, frame sync, and state machine into reset, and follow the startup procedure of the transmit section again minus the clock setup (i.e. from step 5 in the procedure in the TRM).
Alternatively when using EDMA it's easy enough to have it deliver a perpetual stream of zeros.