On Mon, 14 Sep 2020 10:09:46 +0800 Qii Wang <qii.wang@xxxxxxxxxxxx> wrote: > None of the examples you cited are the upstream code of our official > release Where can I access the official upstream release for both MT6577 and MT6589? Me and other developers would certainly like to research it. > , and the name of customer's SOC cannot be accurately evaluated. I'm sorry, but I don't understand what do you mean by "customer's SOC". I own a device with MT6577, and in all source code bundles I had listed in the previous message the SoCs are either MT6577 or MT6589. As of now, the code in the example of i2c-mt65xx driver documentation is declared compatible with MT6577, but it clearly does *not* work on actual MT6577 SoC.