+ if (g_strcmp0(trigger, old_trigger) == 0)
+ break;
+ /* Set new trigger if it has changed. */
+ ch->trigger = g_strdup(trigger);
+
+ if (sdi->driver && sdi->driver->config_probe_set) {
+ ret = sdi->driver->config_probe_set(
+ sdi, ch, SR_PROBE_SET_TRIGGER);
+ /* Roll back change if it wasn't applicable. */
+ if (ret == SR_ERR_ARG) {
+ g_free(ch->trigger);
+ ch->trigger = old_trigger;
+ break;
+ }
+ }
+ g_free(old_trigger);