Ubuntu
alsa-driver package

  1. Bug #1072146
  2. Comment #12

Comment 12 for bug 1072146

Revision history for this message
Daniel Letzeisen (dtl131) wrote : Re: No microphone input

I'm guessing it's an inverted mic, since other Lenovo machines using that codec have that problem. For what to do next, see: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1002978