iic_dp_aux_transaction
ret = iic_dp_aux_transaction(idev, MODE_I2C_WRITE, byte, NULL);
ret = iic_dp_aux_transaction(idev, MODE_I2C_READ, 0, byte_ret);
ret = iic_dp_aux_transaction(idev, mode, 0, NULL);
(void)iic_dp_aux_transaction(idev, mode, 0, NULL);