The patch fixes the defect in case of resume which doesn't sync the cache.

Signed-off-by: Oder Chiou oder_chiou@realtek.com --- sound/soc/codecs/rt5640.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/sound/soc/codecs/rt5640.c b/sound/soc/codecs/rt5640.c index 0061ae6..0883c8a 100644 --- a/sound/soc/codecs/rt5640.c +++ b/sound/soc/codecs/rt5640.c @@ -1890,11 +1890,9 @@ static int rt5640_set_dai_pll(struct snd_soc_dai *dai, int pll_id, int source, 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, @@ -1904,7 +1902,6 @@ static int rt5640_set_bias_level(struct snd_soc_codec *codec, 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, @@ -1979,6 +1976,9 @@ static int rt5640_resume(struct snd_soc_codec *codec) msleep(400); }

+ regcache_cache_only(rt5640->regmap, false); + regcache_sync(rt5640->regmap); + return 0; } #else