[yocto]sgtl5000 hangs i2c bus after reset

charleshuang · ‎03-25-2015

Hi

We use i.MX6D and sgtl5000 on fsl-yocto-3.10.17_1.0.0

We found a issue ,after play music and reboot device

I2C bus is hanged because of sgtl5000

I see other people have encountered the same problem

But the patch of answer ,can't apply our kernel version

Please help to solve this issue

Thanks

igorpadykov · ‎03-25-2015

Hi charles

this link also mentions the same kernel patch for wandboard imx_3.10.17_1.0.0_ga

Best regards

igor

charleshuang · ‎03-25-2015

Hi

I try your patch,but I got kernel panic after playing music and reset my device

Attached is kernel message

thanks

igorpadykov · ‎03-26-2015

you are using customized advantech linux, so it may be

recommended to apply to them for modifications.

Alternatively one can debug it using AN4553

Using Open Source Debugging Tools for Linux on i.MX Processors

~igor