ASoC: wm_adsp: Add initialisation function for ADSP1

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
diff --git a/sound/soc/codecs/wm_adsp.c b/sound/soc/codecs/wm_adsp.c
index 1f8e8e2..58cac07 100644
--- a/sound/soc/codecs/wm_adsp.c
+++ b/sound/soc/codecs/wm_adsp.c
@@ -780,6 +780,14 @@
 	return 0;
 }
 
+int wm_adsp1_init(struct wm_adsp *adsp)
+{
+	INIT_LIST_HEAD(&adsp->alg_regions);
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(wm_adsp1_init);
+
 int wm_adsp1_event(struct snd_soc_dapm_widget *w,
 		   struct snd_kcontrol *kcontrol,
 		   int event)
diff --git a/sound/soc/codecs/wm_adsp.h b/sound/soc/codecs/wm_adsp.h
index 5e71410..41206d7 100644
--- a/sound/soc/codecs/wm_adsp.h
+++ b/sound/soc/codecs/wm_adsp.h
@@ -64,6 +64,7 @@
 
 extern const struct snd_kcontrol_new wm_adsp_fw_controls[];
 
+int wm_adsp1_init(struct wm_adsp *adsp);
 int wm_adsp2_init(struct wm_adsp *adsp, bool dvfs);
 int wm_adsp1_event(struct snd_soc_dapm_widget *w,
 		   struct snd_kcontrol *kcontrol, int event);