commit 63a077e2 upstream.

Acer Aspire One 522 has the infamous digital mic unit that needs the
phase inversion fixup for stereo.

Bugzilla: https://bugzilla.novell.com/show_bug.cgi?id=715737Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>