* Lenovo G50-80 - quirk upstreamed now (thanks Nikola for submitting Alsa-info!)
* Acer Timelinex 4830T - quirk present as of today, i e, should work with latest kernel or hda-dkms update
* Samsung Ativ Book 9 NP900X3G - looking through the separate bug report, this seems to be another problem than just mic inversion, needs some other type of fix probably
Short update:
* Lenovo G50-80 - quirk upstreamed now (thanks Nikola for submitting Alsa-info!)
* Acer Timelinex 4830T - quirk present as of today, i e, should work with latest kernel or hda-dkms update
* Samsung Ativ Book 9 NP900X3G - looking through the separate bug report, this seems to be another problem than just mic inversion, needs some other type of fix probably