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From:   Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To:     linux-kernel@vger.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        stable@vger.kernel.org, Shengjiu Wang <shengjiu.wang@nxp.com>,
        Mark Brown <broonie@kernel.org>
Subject: [PATCH 4.14 19/53] ASoC: cs42xx8: Add regcache mask dirty
Date:   Mon, 17 Jun 2019 23:10:02 +0200
Message-Id: <20190617210749.162169392@linuxfoundation.org>
In-Reply-To: <20190617210745.104187490@linuxfoundation.org>
References: <20190617210745.104187490@linuxfoundation.org>
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From: S.j. Wang <shengjiu.wang@nxp.com>

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>

---
 sound/soc/codecs/cs42xx8.c |    1 +
 1 file changed, 1 insertion(+)

--- a/sound/soc/codecs/cs42xx8.c
+++ b/sound/soc/codecs/cs42xx8.c
@@ -559,6 +559,7 @@ static int cs42xx8_runtime_resume(struct
 	msleep(5);
 
 	regcache_cache_only(cs42xx8->regmap, false);
+	regcache_mark_dirty(cs42xx8->regmap);
 
 	ret = regcache_sync(cs42xx8->regmap);
 	if (ret) {