AK4117_DIF2
#define AK4117_DIF_24L (AK4117_DIF2) /* STDO: 24-bit, left justified */
#define AK4117_DIF_24I2S (AK4117_DIF2|AK4117_DIF0) /* STDO: I2S */
snd_ak4117_reg_write(chip->ak4117, AK4117_REG_IO, AK4117_DIF2|AK4117_DIF1|AK4117_DIF0, aval);