tda_err
tda_err("ERROR: i2c_transfer returned: %d\n", ret);
tda_err("ERROR: i2c_transfer returned: %d\n", ret);
tda_err("ERROR: idx = 0x%x, len = %d, i2c_transfer returned: %d\n",
tda_err("unsupported configuration: %d\n", priv->config);