sorry for getting back to you late. Tried to collect the logs under windows with RtHDDump but error reported: "The HD audio codec could not be found in your system" But the mic is working. Attached the error message.
** Attachment added: "error_pic.png" https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1846148/+attachment/5294928/+files/error_pic.png -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1846148 Title: Realtek ALC256M with DTS Audio Processing internal microphone doesn't work on Redmi Book 14 2019 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1846148/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
