MagicWolfiJust found out that the NXP UDA1380 is end of life:-(. Looks like I am back to component hunting again. Looking for a Audio line in to I2S and I2S to line out codec.
Another option would be the TI PCM3070 audio codec chip, which has 3 audio input pairs. This would change the architecture quite a bit, running the FM radio audio stream analog into the PCM3070 and only have a single I2S interface for all digital audio data. Also the control interface is I2C which would help in my quest to save signal pins between the ElbertV2 and my RRB daughter card. 
Decisions, decisions.
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