From 9bf29fd9a2f62f7aa0849034e0f61df9bd1e043e Mon Sep 17 00:00:00 2001
From: Johannes Stezenbach <js@sig21.net>
Date: Mon, 11 Jul 2011 17:01:24 +0200
Subject: [PATCH] --- yaml --- r: 257590 b: refs/heads/master c:
 889ebae537f5cd3adfd149160b8092217de3cff0 h: refs/heads/master v: v3

---
 [refs]                          |  2 +-
 trunk/sound/soc/codecs/sta32x.c | 16 ++++++++++++++++
 2 files changed, 17 insertions(+), 1 deletion(-)

diff --git a/[refs] b/[refs]
index f4adee95f747..78930342b6ba 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 796884391504426e9da15bdf76f73c5f4eda3714
+refs/heads/master: 889ebae537f5cd3adfd149160b8092217de3cff0
diff --git a/trunk/sound/soc/codecs/sta32x.c b/trunk/sound/soc/codecs/sta32x.c
index 9bf944ca43a1..409d89d1f34c 100644
--- a/trunk/sound/soc/codecs/sta32x.c
+++ b/trunk/sound/soc/codecs/sta32x.c
@@ -756,6 +756,22 @@ static int sta32x_probe(struct snd_soc_codec *codec)
 	for (i = 0; i < STA32X_REGISTER_COUNT; i++)
 		snd_soc_cache_write(codec, i, sta32x_regs[i]);
 
+	/* preserve reset values of reserved register bits */
+	snd_soc_cache_write(codec, STA32X_CONFC,
+			    codec->hw_read(codec, STA32X_CONFC));
+	snd_soc_cache_write(codec, STA32X_CONFE,
+			    codec->hw_read(codec, STA32X_CONFE));
+	snd_soc_cache_write(codec, STA32X_CONFF,
+			    codec->hw_read(codec, STA32X_CONFF));
+	snd_soc_cache_write(codec, STA32X_MMUTE,
+			    codec->hw_read(codec, STA32X_MMUTE));
+	snd_soc_cache_write(codec, STA32X_AUTO1,
+			    codec->hw_read(codec, STA32X_AUTO1));
+	snd_soc_cache_write(codec, STA32X_AUTO3,
+			    codec->hw_read(codec, STA32X_AUTO3));
+	snd_soc_cache_write(codec, STA32X_C3CFG,
+			    codec->hw_read(codec, STA32X_C3CFG));
+
 	/* FIXME enable thermal warning adjustment and recovery  */
 	snd_soc_update_bits(codec, STA32X_CONFA,
 			    STA32X_CONFA_TWAB | STA32X_CONFA_TWRB, 0);