11.05.2020 05:05, Wang, Jiada пишет: > Hello Dmitry > > Thanks for your comment and test, > > can you let me know which platform (board) you are using for test, > and DTS changes if you have added any. That's this device-tree [1] without any extra changes. [1] https://patchwork.ozlabs.org/project/linux-tegra/patch/20200505022517.30523-2-digetx@xxxxxxxxx/ The v10 was working fine. I'm take a more detailed look at the problem later this week.