ASoC: wm8741: Use snd_soc_cache_sync to sync reg_cache with the hardware

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Liam Girdwood <lrg@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

sound/soc/codecs/wm8741.c

@@ -404,15 +404,7 @@ static struct snd_soc_dai_driver wm8741_dai = {
 #ifdef CONFIG_PM
 static int wm8741_resume(struct snd_soc_codec *codec)
 {
-	u16 *cache = codec->reg_cache;
-	int i;
-
-	/* RESTORE REG Cache */
-	for (i = 0; i < WM8741_REGISTER_COUNT; i++) {
-		if (cache[i] == wm8741_reg_defaults[i] || WM8741_RESET == i)
-			continue;
-		snd_soc_write(codec, i, cache[i]);
-	}
+	snd_soc_cache_sync(codec);
 	return 0;
 }
 #else