3 files changed, 38 insertions, 27 deletions

diff --git a/include/sound/soc-dapm.h b/include/sound/soc-dapm.h
index d4609029f014..385c6329a967 100644
--- a/include/sound/soc-dapm.h
+++ b/include/sound/soc-dapm.h
@@ -450,7 +450,8 @@ enum snd_soc_dapm_type {
         snd_soc_dapm_aif_in,            /* audio interface input */
         snd_soc_dapm_aif_out,           /* audio interface output */
         snd_soc_dapm_siggen,            /* signal generator */
-        snd_soc_dapm_dai,               /* link to DAI structure */
+        snd_soc_dapm_dai_in,            /* link to DAI structure */
+        snd_soc_dapm_dai_out,
         snd_soc_dapm_dai_link,          /* link between two DAI structures */
 };
 
diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c
index a80c883bb8be..c7051c457b75 100644
--- a/sound/soc/soc-dapm.c
+++ b/sound/soc/soc-dapm.c
@@ -55,7 +55,8 @@ static int dapm_up_seq[] = {
         [snd_soc_dapm_clock_supply] = 1,
         [snd_soc_dapm_micbias] = 2,
         [snd_soc_dapm_dai_link] = 2,
-        [snd_soc_dapm_dai] = 3,
+        [snd_soc_dapm_dai_in] = 3,
+        [snd_soc_dapm_dai_out] = 3,
         [snd_soc_dapm_aif_in] = 3,
         [snd_soc_dapm_aif_out] = 3,
         [snd_soc_dapm_mic] = 4,
@@ -92,7 +93,8 @@ static int dapm_down_seq[] = {
         [snd_soc_dapm_value_mux] = 9,
         [snd_soc_dapm_aif_in] = 10,
         [snd_soc_dapm_aif_out] = 10,
-        [snd_soc_dapm_dai] = 10,
+        [snd_soc_dapm_dai_in] = 10,
+        [snd_soc_dapm_dai_out] = 10,
         [snd_soc_dapm_dai_link] = 11,
         [snd_soc_dapm_clock_supply] = 12,
         [snd_soc_dapm_regulator_supply] = 12,
@@ -419,7 +421,8 @@ static void dapm_set_path_status(struct snd_soc_dapm_widget *w,
         case snd_soc_dapm_clock_supply:
         case snd_soc_dapm_aif_in:
         case snd_soc_dapm_aif_out:
-        case snd_soc_dapm_dai:
+        case snd_soc_dapm_dai_in:
+        case snd_soc_dapm_dai_out:
         case snd_soc_dapm_hp:
         case snd_soc_dapm_mic:
         case snd_soc_dapm_spk:
@@ -820,7 +823,7 @@ static int is_connected_output_ep(struct snd_soc_dapm_widget *widget,
         switch (widget->id) {
         case snd_soc_dapm_adc:
         case snd_soc_dapm_aif_out:
-        case snd_soc_dapm_dai:
+        case snd_soc_dapm_dai_out:
                 if (widget->active) {
                         widget->outputs = snd_soc_dapm_suspend_check(widget);
                         return widget->outputs;
@@ -916,7 +919,7 @@ static int is_connected_input_ep(struct snd_soc_dapm_widget *widget,
         switch (widget->id) {
         case snd_soc_dapm_dac:
         case snd_soc_dapm_aif_in:
-        case snd_soc_dapm_dai:
+        case snd_soc_dapm_dai_in:
                 if (widget->active) {
                         widget->inputs = snd_soc_dapm_suspend_check(widget);
                         return widget->inputs;
@@ -1135,16 +1138,6 @@ static int dapm_generic_check_power(struct snd_soc_dapm_widget *w)
         return out != 0 && in != 0;
 }
 
-static int dapm_dai_check_power(struct snd_soc_dapm_widget *w)
-{
-        DAPM_UPDATE_STAT(w, power_checks);
-
-        if (w->active)
-                return w->active;
-
-        return dapm_generic_check_power(w);
-}
-
 /* Check to see if an ADC has power */
 static int dapm_adc_check_power(struct snd_soc_dapm_widget *w)
 {
@@ -2318,7 +2311,8 @@ static int snd_soc_dapm_add_route(struct snd_soc_dapm_context *dapm,
         case snd_soc_dapm_clock_supply:
         case snd_soc_dapm_aif_in:
         case snd_soc_dapm_aif_out:
-        case snd_soc_dapm_dai:
+        case snd_soc_dapm_dai_in:
+        case snd_soc_dapm_dai_out:
         case snd_soc_dapm_dai_link:
                 list_add(&path->list, &dapm->card->paths);
                 list_add(&path->list_sink, &wsink->sources);
@@ -3129,10 +3123,12 @@ snd_soc_dapm_new_control(struct snd_soc_dapm_context *dapm,
                 break;
         case snd_soc_dapm_adc:
         case snd_soc_dapm_aif_out:
+        case snd_soc_dapm_dai_out:
                 w->power_check = dapm_adc_check_power;
                 break;
         case snd_soc_dapm_dac:
         case snd_soc_dapm_aif_in:
+        case snd_soc_dapm_dai_in:
                 w->power_check = dapm_dac_check_power;
                 break;
         case snd_soc_dapm_pga:
@@ -3152,9 +3148,6 @@ snd_soc_dapm_new_control(struct snd_soc_dapm_context *dapm,
         case snd_soc_dapm_clock_supply:
                 w->power_check = dapm_supply_check_power;
                 break;
-        case snd_soc_dapm_dai:
-                w->power_check = dapm_dai_check_power;
-                break;
         default:
                 w->power_check = dapm_always_on_check_power;
                 break;
@@ -3375,7 +3368,7 @@ int snd_soc_dapm_new_dai_widgets(struct snd_soc_dapm_context *dapm,
         template.reg = SND_SOC_NOPM;
 
         if (dai->driver->playback.stream_name) {
-                template.id = snd_soc_dapm_dai;
+                template.id = snd_soc_dapm_dai_in;
                 template.name = dai->driver->playback.stream_name;
                 template.sname = dai->driver->playback.stream_name;
 
@@ -3393,7 +3386,7 @@ int snd_soc_dapm_new_dai_widgets(struct snd_soc_dapm_context *dapm,
         }
 
         if (dai->driver->capture.stream_name) {
-                template.id = snd_soc_dapm_dai;
+                template.id = snd_soc_dapm_dai_out;
                 template.name = dai->driver->capture.stream_name;
                 template.sname = dai->driver->capture.stream_name;
 
@@ -3423,8 +3416,13 @@ int snd_soc_dapm_link_dai_widgets(struct snd_soc_card *card)
 
         /* For each DAI widget... */
         list_for_each_entry(dai_w, &card->widgets, list) {
-                if (dai_w->id != snd_soc_dapm_dai)
+                switch (dai_w->id) {
+                case snd_soc_dapm_dai_in:
+                case snd_soc_dapm_dai_out:
+                        break;
+                default:
                         continue;
+                }
 
                 dai = dai_w->priv;
 
@@ -3433,8 +3431,13 @@ int snd_soc_dapm_link_dai_widgets(struct snd_soc_card *card)
                         if (w->dapm != dai_w->dapm)
                                 continue;
 
-                        if (w->id == snd_soc_dapm_dai)
+                        switch (w->id) {
+                        case snd_soc_dapm_dai_in:
+                        case snd_soc_dapm_dai_out:
                                 continue;
+                        default:
+                                break;
+                        }
 
                         if (!w->sname)
                                 continue;
diff --git a/sound/soc/soc-pcm.c b/sound/soc/soc-pcm.c
index 73bb8eefa491..ccb6be4d658d 100644
--- a/sound/soc/soc-pcm.c
+++ b/sound/soc/soc-pcm.c
@@ -928,8 +928,13 @@ static int dpcm_add_paths(struct snd_soc_pcm_runtime *fe, int stream,
         /* Create any new FE <--> BE connections */
         for (i = 0; i < list->num_widgets; i++) {
 
-                if (list->widgets[i]->id != snd_soc_dapm_dai)
+                switch (list->widgets[i]->id) {
+                case snd_soc_dapm_dai_in:
+                case snd_soc_dapm_dai_out:
+                        break;
+                default:
                         continue;
+                }
 
                 /* is there a valid BE rtd for this widget */
                 be = dpcm_get_be(card, list->widgets[i], stream);
@@ -2011,9 +2016,11 @@ int soc_new_pcm(struct snd_soc_pcm_runtime *rtd, int num)
                 if (cpu_dai->driver->capture.channels_min)
                         capture = 1;
         } else {
-                if (codec_dai->driver->playback.channels_min)
+                if (codec_dai->driver->playback.channels_min &&
+                    cpu_dai->driver->playback.channels_min)
                         playback = 1;
-                if (codec_dai->driver->capture.channels_min)
+                if (codec_dai->driver->capture.channels_min &&
+                    cpu_dai->driver->capture.channels_min)
                         capture = 1;
         }