ASoC: dapm: Fix input list to use source widgets

We should only add source widgets to the input list.

Signed-off-by: Liam Girdwood <lrg@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c
index b47fe75..89eae93 100644
--- a/sound/soc/soc-dapm.c
+++ b/sound/soc/soc-dapm.c
@@ -913,7 +913,7 @@
 			/* do we need to add this widget to the list ? */
 			if (list) {
 				int err;
-				err = dapm_list_add_widget(list, path->sink);
+				err = dapm_list_add_widget(list, path->source);
 				if (err < 0) {
 					dev_err(widget->dapm->dev, "could not add widget %s\n",
 						widget->name);