GSM-noise "buzz" issue

[Andy Green]

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Somebody in the thread at some point said:
| Joerg,
| Sorry about the wrong message.According to Len's report today, grounding
| of pin6 at JK4401 is not work.

What about grounding pin 4 directly, did it make any change?


Maybe try this during a buzz call too, it changes preamp1 to use MIC2
instead of MIC1 in case the buzz leaks in somehow there:

echo "33 40" > /sys/devices/platform/soc-audio/codec_reg_write

We are meant to ignore preamp1, just a long shot.

- -Andy
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