Just wanted to give my two cents on this bug. I tried a few methods found on AskUbuntu, but now have a "Dummy Output" under System Settings > Sound. This is the output of "aplay -l"
aplay: device_list:268: no soundcards found... Is this bug still being worked on? -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1413446 Title: Audio broken on 2015 XPS 13 (9343) in I2S mode in Ubuntu 14.10/15.04 To manage notifications about this bug go to: https://bugs.launchpad.net/dell-sputnik/+bug/1413446/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs