static int rt5640_set_bias_level(struct snd_soc_codec *codec,
                        enum snd_soc_bias_level level)
 {
-       struct rt5640_priv *rt5640 = snd_soc_codec_get_drvdata(codec);
        switch (level) {
        case SND_SOC_BIAS_STANDBY:
                if (SND_SOC_BIAS_OFF == codec->dapm.bias_level) {
-                       regcache_cache_only(rt5640->regmap, false);
                        snd_soc_update_bits(codec, RT5640_PWR_ANLG1,
                                RT5640_PWR_VREF1 | RT5640_PWR_MB |
                                RT5640_PWR_BG | RT5640_PWR_VREF2,
                        snd_soc_update_bits(codec, RT5640_PWR_ANLG1,
                                RT5640_PWR_FV1 | RT5640_PWR_FV2,
                                RT5640_PWR_FV1 | RT5640_PWR_FV2);
-                       regcache_sync(rt5640->regmap);
                        snd_soc_update_bits(codec, RT5640_DUMMY1,
                                                0x0301, 0x0301);
                        snd_soc_update_bits(codec, RT5640_MICBIAS,
                msleep(400);
        }
 
+       regcache_cache_only(rt5640->regmap, false);
+       regcache_sync(rt5640->regmap);
+
        return 0;
 }
 #else