I can confirm this bug is still current on oneiric and that setting model=dell-m6-mic fixes it.
I am attaching alsa-info outputs from before and after making this change. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/795823 Title: [Dell Studio 16 XPS 1645] Internal Microphone not Working To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/795823/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs