In this case, it looks like the right channel records noise rather
than the inverted signal, but the simplest way is to just call it
"Inverted Internal Mic", which will cause it to be muted by default.

Alsa-info at http://www.alsa-project.org/db/?f=064f0b536a1b068efd30d58c2641b5ec2348f059

BugLink: https://bugs.launchpad.net/bugs/1316518Signed-off-by: NDavid Henningsson <david.henningsson@canonical.com>
Signed-off-by: NTakashi Iwai <tiwai@suse.de>