Please install and test this kernel, at least you could see the internal mic, and maybe the internal mic can work.
https://people.canonical.com/~hwang4/redmi/v1/ And please also test the external mic. If they don't work as expected, please collect an alsa-info.txt with coeff enabled. sudo su echo 1 > /sys/module/snd_hda_codec/parameters/dump_coef Then run alsa-info to collect alsa-info.txt. thx. -- 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 [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
