ASoC: rt5645: Correct the cache sync function

The patch corrects the cache sync function
Signed-off-by: Oder Chiou <oder_chiou@realtek.com>
Signed-off-by: Mark Brown <broonie@linaro.org>

sound/soc/codecs/rt5645.c

@@ -2235,7 +2235,7 @@ static int rt5645_resume(struct snd_soc_codec *codec)
 	struct rt5645_priv *rt5645 = snd_soc_codec_get_drvdata(codec);
 
 	regcache_cache_only(rt5645->regmap, false);
-	snd_soc_cache_sync(codec);
+	regcache_sync(rt5645->regmap);
 
 	return 0;
 }