[alsa-devel] HDA intel, wired headset w/mic, jack mic detect

[Mark Brown]

On Wed, Feb 29, 2012 at 11:08:13AM -0800, Kevin Hilman wrote:

> As you can see, there's no detected difference between the TRS and TRRS
> headsets, which is the root of the problem.

Have you tried multiple headset models?  I'd not expect a difference but
it's possible (and there are certain headsets with specialist
requirements).