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ASoC: remove codec reg_cache

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Codec reg_cache is legacy feature, almost all driver are now using
common regmap, and very few driver had been used this legacy feature.
Because of this background, it is now implemented on each
driver internally now.
So now, no one is using codec reg_cache. Let's remove it.

Signed-off-by: Kuninori Morimoto <[email protected]>
Reviewed-by: Charles Keepax <[email protected]>
Signed-off-by: Mark Brown <[email protected]>
This commit is contained in:
Kuninori Morimoto 2018-05-08 03:18:38 +00:00 • committed by Mark Brown
commit d1021c8852
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GPG key ID: 24D68B725D5487D0
4 changed files with 1 additions and 274 deletions
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13
include/sound/soc.h
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@ -471,8 +471,6 @@ int devm_snd_soc_register_component(struct device *dev,
void snd_soc_unregister_component(struct device *dev);
struct snd_soc_component *snd_soc_lookup_component(struct device *dev,
const char *driver_name);
int snd_soc_cache_init(struct snd_soc_codec *codec);
int snd_soc_cache_exit(struct snd_soc_codec *codec);
int soc_new_pcm(struct snd_soc_pcm_runtime *rtd, int num);
#ifdef CONFIG_SND_SOC_COMPRESS
@ -904,7 +902,6 @@ struct snd_soc_component {
int (*init)(struct snd_soc_component *component);
#ifdef CONFIG_DEBUG_FS
void (*init_debugfs)(struct snd_soc_component *component);
const char *debugfs_prefix;
#endif
};
@ -928,12 +925,6 @@ struct snd_soc_codec {
struct list_head list;
/* runtime */
unsigned int cache_init:1; /* codec cache has been initialized */
/* codec IO */
void *reg_cache;
/* component */
struct snd_soc_component component;
};
@ -960,10 +951,6 @@ struct snd_soc_codec_driver {
struct regmap *(*get_regmap)(struct device *);
unsigned int (*read)(struct snd_soc_codec *, unsigned int);
int (*write)(struct snd_soc_codec *, unsigned int, unsigned int);
unsigned int reg_cache_size;
short reg_cache_step;
short reg_word_size;
const void *reg_cache_default;
/* codec bias level */
int (*set_bias_level)(struct snd_soc_codec *,