Porting realtek rt5639 codec to Nano

[jonathanh]

Hello!

Yes it appears to be either a problem with the codec routing or codec configuration. I know that other users have been able to get this codec working with Nano so probably worth reviewing the following thread …

Porting realtek ALC5640(rt5640) codec to Nano

Hi, nvidia. I’m trying to porting realtek’s ALC5640/RT5640 codec to Nano, with I2S and I2C interface. I've found that there is driver for ALC5640 codec, and the driver's path in the kernel is as follows: kernel-4.9/sound/soc/codecs/rt5640.c I followed the steps listed in chapter"Audio Setup and Development, 40-pin GPIO Expansion Header", in this document: https://docs.nvidia.com/jetson/l4t/index.html But unfortunately, I found that the function "snd_soc_register_card()" failed in the followi…

Regards,
Jon