From ad2409413d09fca763be1ac5161f2a9d82367903 Mon Sep 17 00:00:00 2001
From: Takashi Iwai <tiwai@suse.de>
Date: Fri, 17 Jun 2011 14:23:46 +0200
Subject: [PATCH] ALSA: hda - Fix no NID error with VIA codecs

The via driver spews warnigs like
	hda-codec: no NID for mapping control Independent HP:0:0
with some codecs because snd_hda_add_nid() is called with nid=0.
This patch fixes it by skipping the call when no corresponding widget
is found.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
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