XTFPGA_I2S_INT_MASK
regmap_write(i2s->regmap, XTFPGA_I2S_INT_MASK,
regmap_write(i2s->regmap, XTFPGA_I2S_INT_MASK,
regmap_read(i2s->regmap, XTFPGA_I2S_INT_MASK, &int_mask);
regmap_write(i2s->regmap, XTFPGA_I2S_INT_MASK, XTFPGA_I2S_INT_UNDERRUN);
regmap_write(i2s->regmap, XTFPGA_I2S_INT_MASK, 0);