ASoC: dapm - Make DAPM reset code a separate function.

It's useful to export the DAPM reset as a static function for future use
by other DAPM functions. e.g. The dynamic PCM query widgets resets the DAPM
graph before working out active paths.

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

1 files changed, 14 insertions, 7 deletions

diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c
index 0c94027c4e3b..227887e05b70 100644
--- a/sound/soc/soc-dapm.c
+++ b/sound/soc/soc-dapm.c
@@ -169,6 +169,19 @@ static inline struct snd_soc_card *dapm_get_soc_card(
         return NULL;
 }
 
+static void dapm_reset(struct snd_soc_card *card)
+{
+        struct snd_soc_dapm_widget *w;
+
+        memset(&card->dapm_stats, 0, sizeof(card->dapm_stats));
+
+        list_for_each_entry(w, &card->widgets, list) {
+                w->power_checked = false;
+                w->inputs = -1;
+                w->outputs = -1;
+        }
+}
+
 static int soc_widget_read(struct snd_soc_dapm_widget *w, int reg)
 {
         if (w->codec)
@@ -1402,13 +1415,7 @@ static int dapm_power_widgets(struct snd_soc_dapm_context *dapm, int event)
                 }
         }
 
-        memset(&card->dapm_stats, 0, sizeof(card->dapm_stats));
-
-        list_for_each_entry(w, &card->widgets, list) {
-                w->power_checked = false;
-                w->inputs = -1;
-                w->outputs = -1;
-        }
+        dapm_reset(card);
 
         /* Check which widgets we need to power and store them in
          * lists indicating if they should be powered up or down.  We