---

yaml --- r: 257488 b: refs/heads/master c: ea7b437 h: refs/heads/master v: v3
git-mirror · Jun 6, 2011 · 6cf983d · 6cf983d
1 parent 3c5e15f
commit 6cf983d
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Showing 2 changed files with 7 additions and 1 deletion.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 84abd1b395cf41269ffb5605a6ece3d6d7f8a3e1
+refs/heads/master: ea7b4378364093678ff1724fa91c43913f97774b
diff --git a/trunk/sound/soc/codecs/wm8915.c b/trunk/sound/soc/codecs/wm8915.c
@@ -55,6 +55,7 @@ struct wm8915_priv {
 	int ldo1ena;
 
 	int sysclk;
+	int sysclk_src;
 
 	int fll_src;
 	int fll_fref;
@@ -1834,6 +1835,9 @@ static int wm8915_set_sysclk(struct snd_soc_dai *dai,
 	int src;
 	int old;
 
+	if (freq == wm8915->sysclk && clk_id == wm8915->sysclk_src)
+		return 0;
+
 	/* Disable SYSCLK while we reconfigure */
 	old = snd_soc_read(codec, WM8915_AIF_CLOCKING_1) & WM8915_SYSCLK_ENA;
 	snd_soc_update_bits(codec, WM8915_AIF_CLOCKING_1,
@@ -1885,6 +1889,8 @@ static int wm8915_set_sysclk(struct snd_soc_dai *dai,
 	snd_soc_update_bits(codec, WM8915_AIF_CLOCKING_1,
 			    WM8915_SYSCLK_ENA, old);
 
+	wm8915->sysclk_src = clk_id;
+
 	return 0;
 }