dapm_mark_dirty
dapm_mark_dirty(peer, "peer state change");
dapm_mark_dirty(path->source, reason);
dapm_mark_dirty(path->sink, reason);
dapm_mark_dirty(w, "pin configuration");
dapm_mark_dirty(wsource, "Route removed");
dapm_mark_dirty(wsink, "Route removed");
dapm_mark_dirty(w, "new widget");
dapm_mark_dirty(w, "Rechecking endpoints");
dapm_mark_dirty(w, "stream event");
dapm_mark_dirty(w, "force enable");
dapm_mark_dirty(path->node[dir], "Route added");