USB MC audio - ADC pin lost MSB 4bit when BCLK/LRCK = 100

[xchips]

Update:
BCLK/LRCK = 50, the above ordering is not perfect. Fs = 48k case can work correctly. But Fs = 96kHz, XMOS device output a 92.5kHz LRCK but not 96kHz. I think this still need some debugging work...