Oh, forgot to add testing info of 2 kernels: With hirsute: the old kernel is linux-5.10.0-1027-oem, the new kernel is linux-5.11.0-26.28-generic.
With focal: the old kernel is linux-5.10.0-1027-oem, the new kernel is linux-5.10.0-1042-oem. The internal mic could work well with all kernels. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1936009 Title: [SRU] The internal mic of Dell Precision 5750 can't record sound To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/1936009/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
