ASoC: wm5100: Mark register cache as dirty when regulators are disabled

Otherwise we won't resync later.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/sound/soc/codecs/wm5100.c b/sound/soc/codecs/wm5100.c
index fb757af19363..89f2af77b1c3 100644
--- a/sound/soc/codecs/wm5100.c
+++ b/sound/soc/codecs/wm5100.c
@@ -1405,6 +1405,7 @@ static int wm5100_set_bias_level(struct snd_soc_codec *codec,
 
         case SND_SOC_BIAS_OFF:
                 regcache_cache_only(wm5100->regmap, true);
+                regcache_mark_dirty(wm5100->regmap);
                 if (wm5100->pdata.ldo_ena)
                         gpio_set_value_cansleep(wm5100->pdata.ldo_ena, 0);
                 regulator_bulk_disable(ARRAY_SIZE(wm5100->core_supplies),