Please remove any modle=xxxx from alsa-base.conf Install the testing kernel and reboot, then test headphone and speaker with the testing kernel. https://people.canonical.com/~hwang4/samsung-test/ (to install the testing kernel, sudo dpkg -i linux-modules-xxx.deb; sudo dpkg -i linux-image-xxx.deb; sudo dpkg -i linux-modules-extra-xxxx.deb)
If headphone and speaker still don't work, please run this script and retest the headphone and speaker again. then upload the dmesg and alsa-info.txt-with-coeff ** Attachment added: "set-coeff.sh" https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1851518/+attachment/5305138/+files/set-coeff.sh -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1851518 Title: [950SBE/951SBE, Realtek ALC298, Speaker, Internal] No sound on internal speakers, very very quiet on headphones To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1851518/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs