2 files changed, 33 insertions, 23 deletions

diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index 4079223203eb..95739767ec45 100644
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -963,6 +963,9 @@ static void soc_resume_deferred(struct work_struct *work)
 
         dev_dbg(socdev->dev, "starting resume work\n");
 
+        /* Bring us up into D2 so that DAPM starts enabling things */
+        snd_power_change_state(codec->card, SNDRV_CTL_POWER_D2);
+
         if (card->resume_pre)
                 card->resume_pre(pdev);
 
diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c
index b30b0a255cd5..8c8b291320a8 100644
--- a/sound/soc/soc-dapm.c
+++ b/sound/soc/soc-dapm.c
@@ -430,6 +430,23 @@ static inline void dapm_clear_walk(struct snd_soc_codec *codec)
                 p->walked = 0;
 }
 
+/* We implement power down on suspend by checking the power state of
+ * the ALSA card - when we are suspending the ALSA state for the card
+ * is set to D3.
+ */
+static int snd_soc_dapm_suspend_check(struct snd_soc_dapm_widget *widget)
+{
+        struct snd_soc_codec *codec = widget->codec;
+
+        switch (snd_power_get_state(codec->card)) {
+        case SNDRV_CTL_POWER_D3hot:
+        case SNDRV_CTL_POWER_D3cold:
+                return 0;
+        default:
+                return 1;
+        }
+}
+
 /*
  * Recursively check for a completed path to an active or physically connected
  * output widget. Returns number of complete paths.
@@ -446,7 +463,7 @@ static int is_connected_output_ep(struct snd_soc_dapm_widget *widget)
         case snd_soc_dapm_adc:
         case snd_soc_dapm_aif_out:
                 if (widget->active)
-                        return 1;
+                        return snd_soc_dapm_suspend_check(widget);
         default:
                 break;
         }
@@ -454,12 +471,12 @@ static int is_connected_output_ep(struct snd_soc_dapm_widget *widget)
         if (widget->connected) {
                 /* connected pin ? */
                 if (widget->id == snd_soc_dapm_output && !widget->ext)
-                        return 1;
+                        return snd_soc_dapm_suspend_check(widget);
 
                 /* connected jack or spk ? */
                 if (widget->id == snd_soc_dapm_hp || widget->id == snd_soc_dapm_spk ||
                     (widget->id == snd_soc_dapm_line && !list_empty(&widget->sources)))
-                        return 1;
+                        return snd_soc_dapm_suspend_check(widget);
         }
 
         list_for_each_entry(path, &widget->sinks, list_source) {
@@ -492,7 +509,7 @@ static int is_connected_input_ep(struct snd_soc_dapm_widget *widget)
         case snd_soc_dapm_dac:
         case snd_soc_dapm_aif_in:
                 if (widget->active)
-                        return 1;
+                        return snd_soc_dapm_suspend_check(widget);
         default:
                 break;
         }
@@ -500,16 +517,16 @@ static int is_connected_input_ep(struct snd_soc_dapm_widget *widget)
         if (widget->connected) {
                 /* connected pin ? */
                 if (widget->id == snd_soc_dapm_input && !widget->ext)
-                        return 1;
+                        return snd_soc_dapm_suspend_check(widget);
 
                 /* connected VMID/Bias for lower pops */
                 if (widget->id == snd_soc_dapm_vmid)
-                        return 1;
+                        return snd_soc_dapm_suspend_check(widget);
 
                 /* connected jack ? */
                 if (widget->id == snd_soc_dapm_mic ||
                     (widget->id == snd_soc_dapm_line && !list_empty(&widget->sinks)))
-                        return 1;
+                        return snd_soc_dapm_suspend_check(widget);
         }
 
         list_for_each_entry(path, &widget->sources, list_sink) {
@@ -897,22 +914,12 @@ static int dapm_power_widgets(struct snd_soc_codec *codec, int event)
                         if (!w->power_check)
                                 continue;
 
-                        /* If we're suspending then pull down all the 
-                         * power. */
-                        switch (event) {
-                        case SND_SOC_DAPM_STREAM_SUSPEND:
-                                power = 0;
-                                break;
-
-                        default:
-                                if (!w->force)
-                                        power = w->power_check(w);
-                                else
-                                        power = 1;
-                                if (power)
-                                        sys_power = 1;
-                                break;
-                        }
+                        if (!w->force)
+                                power = w->power_check(w);
+                        else
+                                power = 1;
+                        if (power)
+                                sys_power = 1;
 
                         if (w->power == power)
                                 continue;