ASoC: rt5631: Fix regcache sync errors on resume

[ Upstream commit c71f78a662611fe2c67f3155da19b0eff0f29762 ]

The ALC5631 does not like multi-write accesses, avoid them. This fixes:

rt5631 4-001a: Unable to sync registers 0x3a-0x3c. -121

errors on resume from suspend (and all registers after the registers in
the error not being synced).

Inspired by commit 2d30e9494f1e ("ASoC: rt5651: Fix regcache sync errors
on resume") from Hans de Geode, which fixed the same errors on ALC5651.

Signed-off-by: Maxim Schwalm <maxim.schwalm@gmail.com>
Link: https://lore.kernel.org/r/20210712005011.28536-1-digetx@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/sound/soc/codecs/rt5631.c b/sound/soc/codecs/rt5631.c
index f70b9f7e68bbabf08b6888fdcd9351a6dec6328f..281957a8fa86748d4ad82bd5741cb47fe820d423 100644 (file)
--- a/sound/soc/codecs/rt5631.c
+++ b/sound/soc/codecs/rt5631.c
@@ -1691,6 +1691,8 @@ static const struct regmap_config rt5631_regmap_config = {
        .reg_defaults = rt5631_reg,
        .num_reg_defaults = ARRAY_SIZE(rt5631_reg),
        .cache_type = REGCACHE_RBTREE,
+       .use_single_read = true,
+       .use_single_write = true,
 };
 
 static int rt5631_i2c_probe(struct i2c_client *i2c,