diff --git a/[refs] b/[refs]
index 1fa67624bbff..6c44159357b4 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: dcc2cf7507861476c874cc7974e5d4557a32475f
+refs/heads/master: e7848163aa2a649d9065f230fadff80dc3519775
diff --git a/trunk/sound/pci/ice1712/amp.c b/trunk/sound/pci/ice1712/amp.c
index e328cfb7620c..e525da2673be 100644
--- a/trunk/sound/pci/ice1712/amp.c
+++ b/trunk/sound/pci/ice1712/amp.c
@@ -68,8 +68,11 @@ static int __devinit snd_vt1724_amp_init(struct snd_ice1712 *ice)
 
 static int __devinit snd_vt1724_amp_add_controls(struct snd_ice1712 *ice)
 {
-	/* we use pins 39 and 41 of the VT1616 for left and right read outputs */
-	snd_ac97_write_cache(ice->ac97, 0x5a, snd_ac97_read(ice->ac97, 0x5a) & ~0x8000);
+	if (ice->ac97)
+		/* we use pins 39 and 41 of the VT1616 for left and right
+		read outputs */
+		snd_ac97_write_cache(ice->ac97, 0x5a,
+			snd_ac97_read(ice->ac97, 0x5a) & ~0x8000);
 	return 0;
 }