ASoC: Factor out per-widget DAPM power checks

The indentation is getting a little deep. Should be straight code motion,
no functional changes.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c
index 6a1e13e..84d1d79 100644 (file)
--- a/sound/soc/soc-dapm.c
+++ b/sound/soc/soc-dapm.c
@@ -1191,6 +1191,65 @@ static void dapm_post_sequence_async(void *data, async_cookie_t cookie)
        }
 }
 
+static void dapm_power_one_widget(struct snd_soc_dapm_widget *w,
+                                 struct list_head *up_list,
+                                 struct list_head *down_list)
+{
+       struct snd_soc_dapm_context *d;
+       int power;
+
+       switch (w->id) {
+       case snd_soc_dapm_pre:
+               dapm_seq_insert(w, down_list, false);
+               break;
+       case snd_soc_dapm_post:
+               dapm_seq_insert(w, up_list, true);
+               break;
+
+       default:
+               if (!w->power_check)
+                       break;
+
+               if (!w->force)
+                       power = w->power_check(w);
+               else
+                       power = 1;
+
+               if (power) {
+                       d = w->dapm;
+
+                       /* Supplies and micbiases only bring the
+                        * context up to STANDBY as unless something
+                        * else is active and passing audio they
+                        * generally don't require full power.
+                        */
+                       switch (w->id) {
+                       case snd_soc_dapm_supply:
+                       case snd_soc_dapm_micbias:
+                               if (d->target_bias_level < SND_SOC_BIAS_STANDBY)
+                                       d->target_bias_level = SND_SOC_BIAS_STANDBY;
+                               break;
+                       default:
+                               d->target_bias_level = SND_SOC_BIAS_ON;
+                               break;
+                       }
+               }
+
+               if (w->power == power)
+                       break;
+
+               trace_snd_soc_dapm_widget_power(w, power);
+
+               if (power)
+                       dapm_seq_insert(w, up_list, true);
+               else
+                       dapm_seq_insert(w, down_list, false);
+
+               w->power = power;
+               break;
+       }
+}
+
 /*
  * Scan each dapm widget for complete audio path.
  * A complete path is a route that has valid endpoints i.e.:-
@@ -1209,7 +1268,6 @@ static int dapm_power_widgets(struct snd_soc_dapm_context *dapm, int event)
        LIST_HEAD(down_list);
        LIST_HEAD(async_domain);
        enum snd_soc_bias_level bias;
-       int power;
 
        trace_snd_soc_dapm_start(card);
 
@@ -1228,57 +1286,7 @@ static int dapm_power_widgets(struct snd_soc_dapm_context *dapm, int event)
         * lists indicating if they should be powered up or down.
         */
        list_for_each_entry(w, &card->widgets, list) {
-               switch (w->id) {
-               case snd_soc_dapm_pre:
-                       dapm_seq_insert(w, &down_list, false);
-                       break;
-               case snd_soc_dapm_post:
-                       dapm_seq_insert(w, &up_list, true);
-                       break;
-
-               default:
-                       if (!w->power_check)
-                               continue;
-
-                       if (!w->force)
-                               power = w->power_check(w);
-                       else
-                               power = 1;
-
-                       if (power) {
-                               d = w->dapm;
-
-                               /* Supplies and micbiases only bring
-                                * the context up to STANDBY as unless
-                                * something else is active and
-                                * passing audio they generally don't
-                                * require full power.
-                                */
-                               switch (w->id) {
-                               case snd_soc_dapm_supply:
-                               case snd_soc_dapm_micbias:
-                                       if (d->target_bias_level < SND_SOC_BIAS_STANDBY)
-                                               d->target_bias_level = SND_SOC_BIAS_STANDBY;
-                                       break;
-                               default:
-                                       d->target_bias_level = SND_SOC_BIAS_ON;
-                                       break;
-                               }
-                       }
-
-                       if (w->power == power)
-                               continue;
-
-                       trace_snd_soc_dapm_widget_power(w, power);
-
-                       if (power)
-                               dapm_seq_insert(w, &up_list, true);
-                       else
-                               dapm_seq_insert(w, &down_list, false);
-
-                       w->power = power;
-                       break;
-               }
+               dapm_power_one_widget(w, &up_list, &down_list);
        }
 
        /* If there are no DAPM widgets then try to figure out power from the