[PATCH] ASoC: cs42xx8: Add regcache mask dirty

From: S.j. Wang
Date: Thu May 16 2019 - 02:14:34 EST


Add regcache_mark_dirty before regcache_sync for power
of codec may be lost at suspend, then all the register
need to be reconfigured.

Fixes: 0c516b4ff85c ("ASoC: cs42xx8: Add codec driver
support for CS42448/CS42888")
Cc: <stable@xxxxxxxxxxxxxxx>
Signed-off-by: Shengjiu Wang <shengjiu.wang@xxxxxxx>
---
sound/soc/codecs/cs42xx8.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/sound/soc/codecs/cs42xx8.c b/sound/soc/codecs/cs42xx8.c
index ebb9e0cf8364..28a4ac36c4f8 100644
--- a/sound/soc/codecs/cs42xx8.c
+++ b/sound/soc/codecs/cs42xx8.c
@@ -558,6 +558,7 @@ static int cs42xx8_runtime_resume(struct device *dev)
msleep(5);

regcache_cache_only(cs42xx8->regmap, false);
+ regcache_mark_dirty(cs42xx8->regmap);

ret = regcache_sync(cs42xx8->regmap);
if (ret) {
--
2.21.0