[PATCH 4.4 49/84] ASoC: cs42xx8: Add regcache mask dirty

From: Greg Kroah-Hartman
Date: Thu Jun 20 2019 - 14:00:13 EST


From: S.j. Wang <shengjiu.wang@xxxxxxx>

commit ad6eecbfc01c987e0253371f274c3872042e4350 upstream.

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>
Signed-off-by: Mark Brown <broonie@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

---
sound/soc/codecs/cs42xx8.c | 1 +
1 file changed, 1 insertion(+)

--- a/sound/soc/codecs/cs42xx8.c
+++ b/sound/soc/codecs/cs42xx8.c
@@ -561,6 +561,7 @@ static int cs42xx8_runtime_resume(struct
msleep(5);

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

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