diff options
Diffstat (limited to 'sound/soc/soc-io.c')
-rw-r--r-- | sound/soc/soc-io.c | 30 |
1 files changed, 2 insertions, 28 deletions
diff --git a/sound/soc/soc-io.c b/sound/soc/soc-io.c index 122c0c1..aa886cc 100644 --- a/sound/soc/soc-io.c +++ b/sound/soc/soc-io.c @@ -65,31 +65,6 @@ static unsigned int hw_read(struct snd_soc_codec *codec, unsigned int reg) return val; } -/* Primitive bulk write support for soc-cache. The data pointed to by - * `data' needs to already be in the form the hardware expects. Any - * data written through this function will not go through the cache as - * it only handles writing to volatile or out of bounds registers. - * - * This is currently only supported for devices using the regmap API - * wrappers. - */ -static int snd_soc_hw_bulk_write_raw(struct snd_soc_codec *codec, - unsigned int reg, - const void *data, size_t len) -{ - /* To ensure that we don't get out of sync with the cache, check - * whether the base register is volatile or if we've directly asked - * to bypass the cache. Out of bounds registers are considered - * volatile. - */ - if (!codec->cache_bypass - && !snd_soc_codec_volatile_register(codec, reg) - && reg < codec->driver->reg_cache_size) - return -EINVAL; - - return regmap_raw_write(codec->control_data, reg, data, len); -} - /** * snd_soc_codec_set_cache_io: Set up standard I/O functions. * @@ -119,20 +94,19 @@ int snd_soc_codec_set_cache_io(struct snd_soc_codec *codec, memset(&config, 0, sizeof(config)); codec->write = hw_write; codec->read = hw_read; - codec->bulk_write_raw = snd_soc_hw_bulk_write_raw; config.reg_bits = addr_bits; config.val_bits = data_bits; switch (control) { -#if defined(CONFIG_REGMAP_I2C) || defined(CONFIG_REGMAP_I2C_MODULE) +#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 defined(CONFIG_REGMAP_SPI) || defined(CONFIG_REGMAP_SPI_MODULE) +#if IS_ENABLED(CONFIG_REGMAP_SPI) case SND_SOC_SPI: codec->control_data = regmap_init_spi(to_spi_device(codec->dev), &config); |