I have added new definitions for USB_DUAL_SERIAL_AUDIO and USB_TRIPLE_SERIAL_AUDIO to cores/teensy4/usb_desc.h.USB_TRIPLE_SERIAL_AUDIO does not seem to be working properly.
Is there a bug in my definition?
#elif defined(USB_DUAL_SERIAL_AUDIO)
#define VENDOR_ID 0x16C0
#define...