LS_I2S_CFG
regmap_write(i2s->regmap, LS_I2S_CFG, val);
regmap_write(i2s->regmap, LS_I2S_CFG, val);
regmap_read(i2s->regmap, LS_I2S_CFG, &val);
case LS_I2S_CFG:
case LS_I2S_CFG:
case LS_I2S_CFG: