diff --git a/[refs] b/[refs]
index c55574e412ff..de0abbf1976e 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: eca2e8e24a0c712c2613ce5704e9e73b693d2e98
+refs/heads/master: 86cd684fcb3220f4aa20cf9e32fd1059373a608a
diff --git a/trunk/sound/soc/codecs/arizona.c b/trunk/sound/soc/codecs/arizona.c
index 53ddd529769c..ad21d8255341 100644
--- a/trunk/sound/soc/codecs/arizona.c
+++ b/trunk/sound/soc/codecs/arizona.c
@@ -1249,7 +1249,7 @@ int arizona_set_fll_refclk(struct arizona_fll *fll, int source,
 	if (fll->ref_src == source && fll->ref_freq == Fref)
 		return 0;
 
-	if (fll->fout) {
+	if (fll->fout && Fref > 0) {
 		ret = arizona_calc_fll(fll, &ref, Fref, fll->fout);
 		if (ret != 0)
 			return ret;
@@ -1265,7 +1265,7 @@ int arizona_set_fll_refclk(struct arizona_fll *fll, int source,
 	fll->ref_src = source;
 	fll->ref_freq = Fref;
 
-	if (fll->fout) {
+	if (fll->fout && Fref > 0) {
 		arizona_enable_fll(fll, &ref, &sync);
 	}