+ pa_xfree(o->default_sink);
+ o->default_sink = pa_xstrdup(pa_modargs_get_value(ma, "sink", NULL));
+
+ enabled = o->record;
+ if (pa_modargs_get_value_boolean(ma, "record", &enabled) < 0) {
+ pa_log("record= expects a boolean argument.");
+ return -1;
+ }
+ o->record = enabled;
+
+ enabled = o->playback;
+ if (pa_modargs_get_value_boolean(ma, "playback", &enabled) < 0) {
+ pa_log("playback= expects a boolean argument.");
+ return -1;
+ }
+ o->playback = enabled;
+
+ if (!o->playback && !o->record) {
+ pa_log("neither playback nor recording enabled for protocol.");
+ return -1;
+ }
+
+ return 0;