1 files changed, 11 insertions, 0 deletions

diff --git a/sound/soc/codecs/sgtl5000.c b/sound/soc/codecs/sgtl5000.c
index c445a0794a27..c5c76ab8ccf1 100644
--- a/sound/soc/codecs/sgtl5000.c
+++ b/sound/soc/codecs/sgtl5000.c
@@ -876,15 +876,26 @@ static int sgtl5000_pcm_hw_params(struct snd_pcm_substream *substream,
 static int sgtl5000_set_bias_level(struct snd_soc_codec *codec,
                                    enum snd_soc_bias_level level)
 {
+        struct sgtl5000_priv *sgtl = snd_soc_codec_get_drvdata(codec);
+        int ret;
+
         switch (level) {
         case SND_SOC_BIAS_ON:
         case SND_SOC_BIAS_PREPARE:
         case SND_SOC_BIAS_STANDBY:
+                regcache_cache_only(sgtl->regmap, false);
+                ret = regcache_sync(sgtl->regmap);
+                if (ret) {
+                        regcache_cache_only(sgtl->regmap, true);
+                        return ret;
+                }
+
                 snd_soc_update_bits(codec, SGTL5000_CHIP_ANA_POWER,
                                     SGTL5000_REFTOP_POWERUP,
                                     SGTL5000_REFTOP_POWERUP);
                 break;
         case SND_SOC_BIAS_OFF:
+                regcache_cache_only(sgtl->regmap, true);
                 snd_soc_update_bits(codec, SGTL5000_CHIP_ANA_POWER,
                                     SGTL5000_REFTOP_POWERUP, 0);
                 break;