From e823fa276742f42ea6f72a878e0fe795e8b60f78 Mon Sep 17 00:00:00 2001
From: Mark Brown <broonie@opensource.wolfsonmicro.com>
Date: Thu, 21 Jan 2010 11:33:20 +0000
Subject: [PATCH] --- yaml --- r: 182838 b: refs/heads/master c:
 821dd91ec7838e1313d783384ea9ce43510d4013 h: refs/heads/master v: v3

---
 [refs]                           | 2 +-
 trunk/sound/soc/codecs/wm_hubs.c | 6 ++++++
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/[refs] b/[refs]
index 65cc31908ea2..d44801210bbf 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: a96ca3387382498ec8b501db5acef3ed9eb1bd36
+refs/heads/master: 821dd91ec7838e1313d783384ea9ce43510d4013
diff --git a/trunk/sound/soc/codecs/wm_hubs.c b/trunk/sound/soc/codecs/wm_hubs.c
index d73c30536a2c..a67319d9ca7e 100644
--- a/trunk/sound/soc/codecs/wm_hubs.c
+++ b/trunk/sound/soc/codecs/wm_hubs.c
@@ -753,6 +753,12 @@ int wm_hubs_handle_analogue_pdata(struct snd_soc_codec *codec,
 				    WM8993_LINEOUT2_MODE,
 				    WM8993_LINEOUT2_MODE);
 
+	/* If the line outputs are differential then we aren't presenting
+	 * VMID as an output and can disable it.
+	 */
+	if (lineout1_diff && lineout2_diff)
+		codec->idle_bias_off = 1;
+
 	if (lineout1fb)
 		snd_soc_update_bits(codec, WM8993_ADDITIONAL_CONTROL,
 				    WM8993_LINEOUT1_FB, WM8993_LINEOUT1_FB);