From 8f1b438887c47d3b65fc64ca23821d69ba69ddd7 Mon Sep 17 00:00:00 2001
From: Mark Brown <broonie@opensource.wolfsonmicro.com>
Date: Wed, 11 Jul 2012 19:03:48 +0100
Subject: ASoC: wm8962: Redo early init of the part on resume

commit e4dd76788c7e5b27165890d712c8c4f6f0abd645 upstream.

Ensure robust startup of the part by going through the reset procedure
prior to resyncing the full register cache, avoiding potential intermittent
faults in some designs.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 sound/soc/codecs/wm8962.c | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'sound')

diff --git a/sound/soc/codecs/wm8962.c b/sound/soc/codecs/wm8962.c
index 15d467ff91b4..08850f8fdb58 100644
--- a/sound/soc/codecs/wm8962.c
+++ b/sound/soc/codecs/wm8962.c
@@ -3710,6 +3710,9 @@ static int wm8962_runtime_resume(struct device *dev)
 	}
 
 	regcache_cache_only(wm8962->regmap, false);
+
+	wm8962_reset(wm8962);
+
 	regcache_sync(wm8962->regmap);
 
 	regmap_update_bits(wm8962->regmap, WM8962_ANTI_POP,
-- 
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