topic How to support I2S communicate in L4.1.15 in i.MX Processors

How to support I2S communicate in L4.1.15

guochgz — Wed, 04 Sep 2019 03:08:28 GMT

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:

Re: How to support I2S communicate in L4.1.15

igorpadykov — Wed, 04 Sep 2019 13:35:06 GMT

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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Re: How to support I2S communicate in L4.1.15

guochgz — Thu, 05 Sep 2019 01:09:14 GMT

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