Two Audio Codecs WM8962 imx6qpsabresd

[sahanashreee_]

We have customized i.MX6Q board with two WM8962BECSN codecs based on Linux 4.9.11_1.0.0 we are seeing dual sound card detection, but both the sound cards are failing to record the sound.

When we execute the arecord command it is able to output the recorded file but there will be no content in that. We tested each sound card interface by separately enabling them in device tree. It worked fine. However, we are seeing this issue when both the sound card interfaces are enabled. Please find the attached file for configuration in dts file and dmesg log. Does anybody have an idea what we might be missing?

Thanks and Regards,

Sahanashree

[sahanashreee_]

Can you please check the boot up log?

[jimmychan]

You may try to separate the machine driver for two sound cards.

[sahanashreee_]

Sure I will try but 

If we enable the both codec play back is working fine but both the sound cards are failing to record the sound.

Regards and Thanks,

Sahanashree

[jimmychan]

As you mentioned the recording is working when enable only one sound card. If enable both sound cards, play back is working but recording is not work, so there may have conflict in somewhere in the input path.  You may add the printf in the driver and then check both 'good' and 'bad' cases.

[jimmychan]

Could you send the full log of the boot up to me?