diff options
Diffstat (limited to 'sound/soc/soc-io.c')
-rw-r--r-- | sound/soc/soc-io.c | 99 |
1 files changed, 23 insertions, 76 deletions
diff --git a/sound/soc/soc-io.c b/sound/soc/soc-io.c index aa886cca3ec..260efc8466f 100644 --- a/sound/soc/soc-io.c +++ b/sound/soc/soc-io.c @@ -23,21 +23,6 @@ static int hw_write(struct snd_soc_codec *codec, unsigned int reg, unsigned int value) { - int ret; - - if (!snd_soc_codec_volatile_register(codec, reg) && - reg < codec->driver->reg_cache_size && - !codec->cache_bypass) { - ret = snd_soc_cache_write(codec, reg, value); - if (ret < 0) - return -1; - } - - if (codec->cache_only) { - codec->cache_sync = 1; - return 0; - } - return regmap_write(codec->control_data, reg, value); } @@ -46,32 +31,18 @@ static unsigned int hw_read(struct snd_soc_codec *codec, unsigned int reg) int ret; unsigned int val; - if (reg >= codec->driver->reg_cache_size || - snd_soc_codec_volatile_register(codec, reg) || - codec->cache_bypass) { - if (codec->cache_only) - return -1; - - ret = regmap_read(codec->control_data, reg, &val); - if (ret == 0) - return val; - else - return -1; - } - - ret = snd_soc_cache_read(codec, reg, &val); - if (ret < 0) + ret = regmap_read(codec->control_data, reg, &val); + if (ret == 0) + return val; + else return -1; - return val; } /** * snd_soc_codec_set_cache_io: Set up standard I/O functions. * * @codec: CODEC to configure. - * @addr_bits: Number of bits of register address data. - * @data_bits: Number of bits of data per register. - * @control: Control bus used. + * @map: Register map to write to * * Register formats are frequently shared between many I2C and SPI * devices. In order to promote code reuse the ASoC core provides @@ -85,60 +56,36 @@ static unsigned int hw_read(struct snd_soc_codec *codec, unsigned int reg) * volatile registers. */ int snd_soc_codec_set_cache_io(struct snd_soc_codec *codec, - int addr_bits, int data_bits, - enum snd_soc_control_type control) + struct regmap *regmap) { - struct regmap_config config; int ret; - memset(&config, 0, sizeof(config)); - codec->write = hw_write; - codec->read = hw_read; - - config.reg_bits = addr_bits; - config.val_bits = data_bits; + /* Device has made its own regmap arrangements */ + if (!regmap) + codec->control_data = dev_get_regmap(codec->dev, NULL); + else + codec->control_data = regmap; - switch (control) { -#if IS_ENABLED(CONFIG_REGMAP_I2C) - case SND_SOC_I2C: - codec->control_data = regmap_init_i2c(to_i2c_client(codec->dev), - &config); - break; -#endif + if (IS_ERR(codec->control_data)) + return PTR_ERR(codec->control_data); -#if IS_ENABLED(CONFIG_REGMAP_SPI) - case SND_SOC_SPI: - codec->control_data = regmap_init_spi(to_spi_device(codec->dev), - &config); - break; -#endif - - case SND_SOC_REGMAP: - /* Device has made its own regmap arrangements */ - codec->using_regmap = true; - if (!codec->control_data) - codec->control_data = dev_get_regmap(codec->dev, NULL); + codec->write = hw_write; + codec->read = hw_read; - if (codec->control_data) { - ret = regmap_get_val_bytes(codec->control_data); - /* Errors are legitimate for non-integer byte - * multiples */ - if (ret > 0) - codec->val_bytes = ret; - } - break; + ret = regmap_get_val_bytes(codec->control_data); + /* Errors are legitimate for non-integer byte + * multiples */ + if (ret > 0) + codec->val_bytes = ret; - default: - return -EINVAL; - } + codec->using_regmap = true; - return PTR_ERR_OR_ZERO(codec->control_data); + return 0; } EXPORT_SYMBOL_GPL(snd_soc_codec_set_cache_io); #else int snd_soc_codec_set_cache_io(struct snd_soc_codec *codec, - int addr_bits, int data_bits, - enum snd_soc_control_type control) + struct regmap *regmap) { return -ENOTSUPP; } |