Question
CubeMX2, even when doing transmit or receive only I2S, both SDI and SDO are muxed
e.g. select I2S with "Master transmit" which should only use I2S_CK, I2S_WS and I2S_SDO, yet the I2S_SDI pin is also muxed and blocked for other use (and both DMA directions are available)


