add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/sound/hda/hdac_regmap.c
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@@ -597,10 +597,9 @@
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  */
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 void snd_hdac_regmap_sync(struct hdac_device *codec)
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 {
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-	if (codec->regmap) {
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-		mutex_lock(&codec->regmap_lock);
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+	mutex_lock(&codec->regmap_lock);
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+	if (codec->regmap)
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 		regcache_sync(codec->regmap);
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-		mutex_unlock(&codec->regmap_lock);
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-	}
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+	mutex_unlock(&codec->regmap_lock);
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 }
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 EXPORT_SYMBOL_GPL(snd_hdac_regmap_sync);