for a long time we are using the PicoCOM1 with audio applications developed around the ALSA controls for the AIC23B codec
stereo output = "Headphone"
stereo input = "Input"
and "Input Mute"
Now I'm testing a PicoCOM4 with the same audio codec but all the ALSA controls are different and looks like a Multi channel configuration.
Where are this configurations done and how to change what to get the old interface with Headphone and Input.
Thanks for tips and hints