[PATCH 3.16 262/410] ASoC: rt5651: Fix regcache sync errors on resume

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3.16.57-rc1 review patch.  If anyone has any objections, please let me know.

------------------

From: Hans de Goede <hdegoede@xxxxxxxxxx>

commit 2d30e9494f1ea320aaaad0cff9ddd92c87eac355 upstream.

The ALC5651 does not like multi-write accesses, avoid them. This fixes:

rt5651 i2c-10EC5651:00: Unable to sync registers 0x27-0x28. -121

Errors on resume (and all registers after the registers in the error not
being synced).

Signed-off-by: Hans de Goede <hdegoede@xxxxxxxxxx>
Signed-off-by: Mark Brown <broonie@xxxxxxxxxx>
Signed-off-by: Ben Hutchings <ben@xxxxxxxxxxxxxxx>
---
 sound/soc/codecs/rt5651.c | 1 +
 1 file changed, 1 insertion(+)

--- a/sound/soc/codecs/rt5651.c
+++ b/sound/soc/codecs/rt5651.c
@@ -1732,6 +1732,7 @@ static const struct regmap_config rt5651
 	.num_reg_defaults = ARRAY_SIZE(rt5651_reg),
 	.ranges = rt5651_ranges,
 	.num_ranges = ARRAY_SIZE(rt5651_ranges),
+	.use_single_rw = true,
 };
 
 static const struct i2c_device_id rt5651_i2c_id[] = {




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