AK4117_REG_RXCSB0
#define AK4117_REG_RXCSB_SIZE ((AK4117_REG_RXCSB4-AK4117_REG_RXCSB0)+1)
ucontrol->value.iec958.status[i] = reg_read(chip, AK4117_REG_RXCSB0 + i);