If the problem is not fixed in the mainline kernel, It will have the same result no matter what drivers you try.
Do you still remember what testing steps you performed for the comment #9? -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1447909 Title: external mic not detected on machines with alc256 codec Status in HWE Next: Fix Released Status in linux package in Ubuntu: Fix Released Bug description: This bug is used for tracking, please do not triage. To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/1447909/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp