The release notes of the latest software say:
New Features in this release (CAF tag: LA.BR.1.2.4-01810-8x16.0) compared to June release (Caf tag: LA.BR.1.2.4-00310-8x16-1)
Audio over Stereo connectors
Needs stereo connector soldered to J7 and mixer settings changed in SW
I understand the connections on J7 from the documentation and schematic, but how do I change the mixer settings in the software? I have been tracing through the source code but I’m hoping someone can give me a pointer.