Hi aminesaka, About the #4, if you want to use the mic of bluetooth headset, please set output Configuration to HSP/HFP instead of A2DP.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2051570 Title: [Vostro 3400, Cirrus Logic CS8409/CS42L42, Speaker, Internal] Underruns, dropouts or crackling sound To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/2051570/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs