--- 4d47bc4f74284764ec24434167371d3245009df8 +++ 10c7550393ba93be17886d637aec0ad7aaacc362 @@ -90,12 +90,10 @@ static int ak4104_spi_write(struct snd_s if (reg >= codec->reg_cache_size) return -EINVAL; - reg &= AK4104_REG_MASK; - reg |= AK4104_WRITE; - /* only write to the hardware if value has changed */ if (cache[reg] != value) { - u8 tmp[2] = { reg, value }; + u8 tmp[2] = { (reg & AK4104_REG_MASK) | AK4104_WRITE, value }; + if (spi_write(spi, tmp, sizeof(tmp))) { dev_err(&spi->dev, "SPI write failed\n"); return -EIO;