ASoC: dapm: Mark widgets as dirty when a route is added

If we add a new route at runtime then we'll need to recheck the connections
to the affected widgets.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Liam Girdwood <lrg@ti.com>

sound/soc/soc-dapm.c

@@ -2251,6 +2251,10 @@ static int snd_soc_dapm_add_route(struct snd_soc_dapm_context *dapm,
 		path->connect = 0;
 		return 0;
 	}
+
+	dapm_mark_dirty(wsource, "Route added");
+	dapm_mark_dirty(wsink, "Route added");
+
 	return 0;
 
 err: