diff options
| author | Chris Garren <cdgarren@indesign-llc.com> | 2020-05-04 09:43:20 -0400 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2020-05-04 15:36:50 +0100 |
| commit | f2b1e1cbd352129cfdbc1af52059482d74b4e81a (patch) | |
| tree | 0edc1bdafd0aa7758dde1ecf1155fbe752417faf /sound/soc/codecs/adau7118-i2c.c | |
| parent | 454b3766de45f8508b343e509fdde959b4ff289c (diff) | |
ASoC: adau7118: Mark the ADAU7118 reset register as volatile
Without this the previously written value was written to this reg,
which caused the different configuration registers to be reset.
Signed-off-by: Chris Garren <cdgarren@indesign-llc.com>
Link: https://lore.kernel.org/r/1588599820-57994-1-git-send-email-cdgarren@indesign-llc.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/codecs/adau7118-i2c.c')
| -rw-r--r-- | sound/soc/codecs/adau7118-i2c.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/sound/soc/codecs/adau7118-i2c.c b/sound/soc/codecs/adau7118-i2c.c index a8211362fe82..aa7afb3b826d 100644 --- a/sound/soc/codecs/adau7118-i2c.c +++ b/sound/soc/codecs/adau7118-i2c.c @@ -32,6 +32,12 @@ static const struct reg_default adau7118_reg_defaults[] = { { ADAU7118_REG_RESET, 0x00 }, }; +static bool adau7118_volatile(struct device *dev, unsigned int reg) +{ + return (reg == ADAU7118_REG_RESET); +} + + static const struct regmap_config adau7118_regmap_config = { .reg_bits = 8, .val_bits = 8, @@ -39,6 +45,7 @@ static const struct regmap_config adau7118_regmap_config = { .num_reg_defaults = ARRAY_SIZE(adau7118_reg_defaults), .cache_type = REGCACHE_RBTREE, .max_register = ADAU7118_REG_RESET, + .volatile_reg = adau7118_volatile, }; static int adau7118_probe_i2c(struct i2c_client *i2c, |