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ASoC: rt5640: Do not allow regmap to use bulk read-write operations
author
Jarkko Nikula
<jarkko.nikula@linux.intel.com>
Tue, 26 Aug 2014 14:03:13 +0000
(17:03 +0300)
committer
Mark Brown
<broonie@linaro.org>
Wed, 27 Aug 2014 12:00:26 +0000
(13:00 +0100)
Debugging showed Realtek RT5642 doesn't support autoincrementing writes so
driver should set the use_single_rw flag for regmap.
Signed-off-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
Cc: stable@vger.kernel.org
sound/soc/codecs/rt5640.c
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diff --git
a/sound/soc/codecs/rt5640.c
b/sound/soc/codecs/rt5640.c
index
6bc6efd
..
f1ec6e6
100644
(file)
--- a/
sound/soc/codecs/rt5640.c
+++ b/
sound/soc/codecs/rt5640.c
@@
-2059,6
+2059,7
@@
static struct snd_soc_codec_driver soc_codec_dev_rt5640 = {
static const struct regmap_config rt5640_regmap = {
.reg_bits = 8,
.val_bits = 16,
+ .use_single_rw = true,
.max_register = RT5640_VENDOR_ID2 + 1 + (ARRAY_SIZE(rt5640_ranges) *
RT5640_PR_SPACING),