From c5eda4c1bf6214332c46fb2f4e7c42a85e5e5643 Mon Sep 17 00:00:00 2001
From: Takashi Iwai <tiwai@suse.de>
Date: Wed, 5 Mar 2014 11:52:24 +0100
Subject: [PATCH] ALSA: hda - Add missing loopback merge path for AD1884/1984
 codecs

The mixer widget (NID 0x20) of AD1884 and AD1984 codecs isn't
connected directly to the actual I/O paths but only via another mixer
widget (NID 0x21).  We need a similar fix as we did for AD1882.

Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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