diff options
| -rw-r--r-- | sound/soc/codecs/adau1761.c | 1 | ||||
| -rw-r--r-- | sound/soc/codecs/adau1781.c | 1 | ||||
| -rw-r--r-- | sound/soc/codecs/adau17x1.c | 14 | ||||
| -rw-r--r-- | sound/soc/codecs/adau17x1.h | 1 |
4 files changed, 17 insertions, 0 deletions
diff --git a/sound/soc/codecs/adau1761.c b/sound/soc/codecs/adau1761.c index 0ae1501f3c11..4c018c575b01 100644 --- a/sound/soc/codecs/adau1761.c +++ b/sound/soc/codecs/adau1761.c @@ -793,6 +793,7 @@ const struct regmap_config adau1761_regmap_config = { .num_reg_defaults = ARRAY_SIZE(adau1761_reg_defaults), .readable_reg = adau1761_readable_register, .volatile_reg = adau17x1_volatile_register, + .precious_reg = adau17x1_precious_register, .cache_type = REGCACHE_RBTREE, }; EXPORT_SYMBOL_GPL(adau1761_regmap_config); diff --git a/sound/soc/codecs/adau1781.c b/sound/soc/codecs/adau1781.c index 4c8ddc3c69e1..926fc99c1dda 100644 --- a/sound/soc/codecs/adau1781.c +++ b/sound/soc/codecs/adau1781.c @@ -472,6 +472,7 @@ const struct regmap_config adau1781_regmap_config = { .num_reg_defaults = ARRAY_SIZE(adau1781_reg_defaults), .readable_reg = adau1781_readable_register, .volatile_reg = adau17x1_volatile_register, + .precious_reg = adau17x1_precious_register, .cache_type = REGCACHE_RBTREE, }; EXPORT_SYMBOL_GPL(adau1781_regmap_config); diff --git a/sound/soc/codecs/adau17x1.c b/sound/soc/codecs/adau17x1.c index 1cab34c57413..50000477dc2a 100644 --- a/sound/soc/codecs/adau17x1.c +++ b/sound/soc/codecs/adau17x1.c @@ -706,8 +706,22 @@ int adau17x1_set_micbias_voltage(struct snd_soc_codec *codec, } EXPORT_SYMBOL_GPL(adau17x1_set_micbias_voltage); +bool adau17x1_precious_register(struct device *dev, unsigned int reg) +{ + /* SigmaDSP parameter memory */ + if (reg < 0x400) + return true; + + return false; +} +EXPORT_SYMBOL_GPL(adau17x1_precious_register); + bool adau17x1_readable_register(struct device *dev, unsigned int reg) { + /* SigmaDSP parameter memory */ + if (reg < 0x400) + return true; + switch (reg) { case ADAU17X1_CLOCK_CONTROL: case ADAU17X1_PLL_CONTROL: diff --git a/sound/soc/codecs/adau17x1.h b/sound/soc/codecs/adau17x1.h index 6861aa3aec02..e13583e6ff56 100644 --- a/sound/soc/codecs/adau17x1.h +++ b/sound/soc/codecs/adau17x1.h @@ -56,6 +56,7 @@ int adau17x1_set_micbias_voltage(struct snd_soc_codec *codec, enum adau17x1_micbias_voltage micbias); bool adau17x1_readable_register(struct device *dev, unsigned int reg); bool adau17x1_volatile_register(struct device *dev, unsigned int reg); +bool adau17x1_precious_register(struct device *dev, unsigned int reg); int adau17x1_resume(struct snd_soc_codec *codec); extern const struct snd_soc_dai_ops adau17x1_dai_ops; |