When a mic jack is set up as the multiple I/O, it may issue the automute
function wrongly.  This patch fixes the wrong automute detection.
Signed-off-by: NJiang Zhe <zhe.jiang@intel.com>
Signed-off-by: NTakashi Iwai <tiwai@suse.de>
Signed-off-by: NJaroslav Kysela <perex@perex.cz>