tree d41a57e532a419172ce63d4db52588282f350c66
parent dd775ae2549217d3ae09363e3edb305d0fa19928
author David Henningsson <david.henningsson@canonical.com> 1333374027 +0200
committer Takashi Iwai <tiwai@suse.de> 1333641262 +0200

ALSA: hda - Fix internal mic for Lenovo Ideapad U300s

The internal mic input is phase inverted on one channel.
To avoid people in userspace summing the channels together
and get zero result, use a separate mixer control for the
inverted channel.

BugLink: https://bugs.launchpad.net/bugs/903853
Signed-off-by: David Henningsson <david.henningsson@canonical.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>