commit 4d4b0c52bde470c379f5d168d5c139ad866cb808 upstream.

Forgot to add unplug function to unplug state of headset mode
for ALC225.
Signed-off-by: NKailang Yang <kailang@realtek.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: NTakashi Iwai <tiwai@suse.de>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>