From: S.j. Wang <shengjiu.wang@nxp.com>
Date: Thu, 16 May 2019 06:04:29 +0000 (+0000)
Subject: ASoC: cs42xx8: Add regcache mask dirty
X-Git-Tag: v4.4.183~36
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1f8233ca3a4819888c2a023750eadbe499e638cd;p=thirdparty%2Fkernel%2Fstable.git

ASoC: cs42xx8: Add regcache mask dirty

commit ad6eecbfc01c987e0253371f274c3872042e4350 upstream.

Add regcache_mark_dirty before regcache_sync for power
of codec may be lost at suspend, then all the register
need to be reconfigured.

Fixes: 0c516b4ff85c ("ASoC: cs42xx8: Add codec driver
support for CS42448/CS42888")
Cc: <stable@vger.kernel.org>
Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/sound/soc/codecs/cs42xx8.c b/sound/soc/codecs/cs42xx8.c
index d562e1b9a5d16..5b079709ec8af 100644
--- a/sound/soc/codecs/cs42xx8.c
+++ b/sound/soc/codecs/cs42xx8.c
@@ -561,6 +561,7 @@ static int cs42xx8_runtime_resume(struct device *dev)
 	msleep(5);
 
 	regcache_cache_only(cs42xx8->regmap, false);
+	regcache_mark_dirty(cs42xx8->regmap);
 
 	ret = regcache_sync(cs42xx8->regmap);
 	if (ret) {