content_access_settings.php

<?php

// Get all the node types that can post into groups, i.e. all types that would
// have og_access entries, and add to the content_access_settings variable.

$settings = variable_get('content_access_settings', array());

foreach (node_get_types() as $type_name => $type) {
  if (!og_is_omitted_type($type_name)) {
    if (!isset($settings['view'][$type_name])) {
      $settings['view'][$type_name] = array(
        0 => 2,
        1 => 3,
      );
    }
    if (!isset($settings['view_own'][$type_name])) {
      $settings['view_own'][$type_name] = array(
        0 => 2,
        1 => 3,
      );
    }
    if (!isset($settings['priority'][$type_name])) {
      $settings['priority'][$type_name] = -10;
    }
  }
}

variable_set('content_access_settings', $settings);