ch7006_err
ch7006_err(client, "Error %d reading version ID\n", ret);
ch7006_err(client, "Invalid TV norm setting \"%s\".\n",
ch7006_err(client, "Invalid scale setting \"%d\".\n",
ch7006_err(client, "Error %d writing to subaddress 0x%x\n",
ch7006_err(client, "Error %d reading from subaddress 0x%x\n",