How to support I2S communicate in L4.1.15

[guochgz]

Hello:

      on my board, Lmx2571 is connected to the IMX6ULL's sai3.

      

   I have followed this post:

   i.MX7Dual + SGTL5000 no data on SAI output 

   to added simple-audio-card on my baseline, but after do that , there is nothing show on my board.

   

   my dts file is like this:

   

   

   

[igorpadykov]

Hi 国承 张

one can try "simple-audio-card" patch :

ARM: dts: imx6ul-14x14-evk: Add audio support - Patchwork 

Best regards
igor
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[guochgz]

thanks igor, I have solved this issue by add code in soc-util.c.