STM32_I2S_IER_REG
regmap_update_bits(i2s->regmap, STM32_I2S_IER_REG, ier, ier);
regmap_update_bits(i2s->regmap, STM32_I2S_IER_REG,
regmap_update_bits(i2s->regmap, STM32_I2S_IER_REG,
regmap_read(i2s->regmap, STM32_I2S_IER_REG, &ier);
case STM32_I2S_IER_REG:
case STM32_I2S_IER_REG: