1 files changed, 217 insertions, 220 deletions

diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c
index 461d951917c0..a5178845065b 100644
--- a/sound/soc/soc-dapm.c
+++ b/sound/soc/soc-dapm.c
@@ -18,7 +18,6 @@
 //      device reopen.
 
 #include <linux/module.h>
-#include <linux/moduleparam.h>
 #include <linux/init.h>
 #include <linux/async.h>
 #include <linux/delay.h>
@@ -364,10 +363,6 @@ static int dapm_kcontrol_data_alloc(struct snd_soc_dapm_widget *widget,
 				ret = PTR_ERR(data->widget);
 				goto err_data;
 			}
-			if (!data->widget) {
-				ret = -ENOMEM;
-				goto err_data;
-			}
 		}
 		break;
 	case snd_soc_dapm_demux:
@@ -402,10 +397,6 @@ static int dapm_kcontrol_data_alloc(struct snd_soc_dapm_widget *widget,
 				ret = PTR_ERR(data->widget);
 				goto err_data;
 			}
-			if (!data->widget) {
-				ret = -ENOMEM;
-				goto err_data;
-			}
 
 			snd_soc_dapm_add_path(widget->dapm, data->widget,
 					      widget, NULL, NULL);
@@ -1026,9 +1017,10 @@ static int dapm_new_dai_link(struct snd_soc_dapm_widget *w)
 	struct snd_kcontrol *kcontrol;
 	struct snd_soc_dapm_context *dapm = w->dapm;
 	struct snd_card *card = dapm->card->snd_card;
+	struct snd_soc_pcm_runtime *rtd = w->priv;
 
 	/* create control for links with > 1 config */
-	if (w->num_params <= 1)
+	if (rtd->dai_link->num_params <= 1)
 		return 0;
 
 	/* add kcontrol */
@@ -1320,14 +1312,13 @@ int dapm_clock_event(struct snd_soc_dapm_widget *w,
 
 	soc_dapm_async_complete(w->dapm);
 
-#ifdef CONFIG_HAVE_CLK
 	if (SND_SOC_DAPM_EVENT_ON(event)) {
 		return clk_prepare_enable(w->clk);
 	} else {
 		clk_disable_unprepare(w->clk);
 		return 0;
 	}
-#endif
+
 	return 0;
 }
 EXPORT_SYMBOL_GPL(dapm_clock_event);
@@ -1953,7 +1944,7 @@ static int dapm_power_widgets(struct snd_soc_card *card, int event)
 	dapm_pre_sequence_async(&card->dapm, 0);
 	/* Run other bias changes in parallel */
 	list_for_each_entry(d, &card->dapm_list, list) {
-		if (d != &card->dapm)
+		if (d != &card->dapm && d->bias_level != d->target_bias_level)
 			async_schedule_domain(dapm_pre_sequence_async, d,
 						&async_domain);
 	}
@@ -1977,7 +1968,7 @@ static int dapm_power_widgets(struct snd_soc_card *card, int event)
 
 	/* Run all the bias changes in parallel */
 	list_for_each_entry(d, &card->dapm_list, list) {
-		if (d != &card->dapm)
+		if (d != &card->dapm && d->bias_level != d->target_bias_level)
 			async_schedule_domain(dapm_post_sequence_async, d,
 						&async_domain);
 	}
@@ -2371,12 +2362,13 @@ static ssize_t dapm_widget_show(struct device *dev,
 	struct device_attribute *attr, char *buf)
 {
 	struct snd_soc_pcm_runtime *rtd = dev_get_drvdata(dev);
+	struct snd_soc_dai *codec_dai;
 	int i, count = 0;
 
 	mutex_lock(&rtd->card->dapm_mutex);
 
-	for (i = 0; i < rtd->num_codecs; i++) {
-		struct snd_soc_component *cmpnt = rtd->codec_dais[i]->component;
+	for_each_rtd_codec_dai(rtd, i, codec_dai) {
+		struct snd_soc_component *cmpnt = codec_dai->component;
 
 		count += dapm_widget_show_component(cmpnt, buf + count);
 	}
@@ -3426,35 +3418,6 @@ int snd_soc_dapm_put_pin_switch(struct snd_kcontrol *kcontrol,
 EXPORT_SYMBOL_GPL(snd_soc_dapm_put_pin_switch);
 
 struct snd_soc_dapm_widget *
-snd_soc_dapm_new_control(struct snd_soc_dapm_context *dapm,
-	const struct snd_soc_dapm_widget *widget)
-{
-	struct snd_soc_dapm_widget *w;
-
-	mutex_lock_nested(&dapm->card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME);
-	w = snd_soc_dapm_new_control_unlocked(dapm, widget);
-	/* Do not nag about probe deferrals */
-	if (IS_ERR(w)) {
-		int ret = PTR_ERR(w);
-
-		if (ret != -EPROBE_DEFER)
-			dev_err(dapm->dev,
-				"ASoC: Failed to create DAPM control %s (%d)\n",
-				widget->name, ret);
-		goto out_unlock;
-	}
-	if (!w)
-		dev_err(dapm->dev,
-			"ASoC: Failed to create DAPM control %s\n",
-			widget->name);
-
-out_unlock:
-	mutex_unlock(&dapm->card->dapm_mutex);
-	return w;
-}
-EXPORT_SYMBOL_GPL(snd_soc_dapm_new_control);
-
-struct snd_soc_dapm_widget *
 snd_soc_dapm_new_control_unlocked(struct snd_soc_dapm_context *dapm,
 			 const struct snd_soc_dapm_widget *widget)
 {
@@ -3464,53 +3427,37 @@ snd_soc_dapm_new_control_unlocked(struct snd_soc_dapm_context *dapm,
 	int ret;
 
 	if ((w = dapm_cnew_widget(widget)) == NULL)
-		return NULL;
+		return ERR_PTR(-ENOMEM);
 
 	switch (w->id) {
 	case snd_soc_dapm_regulator_supply:
 		w->regulator = devm_regulator_get(dapm->dev, w->name);
 		if (IS_ERR(w->regulator)) {
 			ret = PTR_ERR(w->regulator);
-			if (ret == -EPROBE_DEFER)
-				return ERR_PTR(ret);
-			dev_err(dapm->dev, "ASoC: Failed to request %s: %d\n",
-				w->name, ret);
-			return NULL;
+			goto request_failed;
 		}
 
 		if (w->on_val & SND_SOC_DAPM_REGULATOR_BYPASS) {
 			ret = regulator_allow_bypass(w->regulator, true);
 			if (ret != 0)
-				dev_warn(w->dapm->dev,
+				dev_warn(dapm->dev,
 					 "ASoC: Failed to bypass %s: %d\n",
 					 w->name, ret);
 		}
 		break;
 	case snd_soc_dapm_pinctrl:
 		w->pinctrl = devm_pinctrl_get(dapm->dev);
-		if (IS_ERR_OR_NULL(w->pinctrl)) {
+		if (IS_ERR(w->pinctrl)) {
 			ret = PTR_ERR(w->pinctrl);
-			if (ret == -EPROBE_DEFER)
-				return ERR_PTR(ret);
-			dev_err(dapm->dev, "ASoC: Failed to request %s: %d\n",
-				w->name, ret);
-			return NULL;
+			goto request_failed;
 		}
 		break;
 	case snd_soc_dapm_clock_supply:
-#ifdef CONFIG_CLKDEV_LOOKUP
 		w->clk = devm_clk_get(dapm->dev, w->name);
 		if (IS_ERR(w->clk)) {
 			ret = PTR_ERR(w->clk);
-			if (ret == -EPROBE_DEFER)
-				return ERR_PTR(ret);
-			dev_err(dapm->dev, "ASoC: Failed to request %s: %d\n",
-				w->name, ret);
-			return NULL;
+			goto request_failed;
 		}
-#else
-		return NULL;
-#endif
 		break;
 	default:
 		break;
@@ -3523,7 +3470,7 @@ snd_soc_dapm_new_control_unlocked(struct snd_soc_dapm_context *dapm,
 		w->name = kstrdup_const(widget->name, GFP_KERNEL);
 	if (w->name == NULL) {
 		kfree(w);
-		return NULL;
+		return ERR_PTR(-ENOMEM);
 	}
 
 	switch (w->id) {
@@ -3600,7 +3547,37 @@ snd_soc_dapm_new_control_unlocked(struct snd_soc_dapm_context *dapm,
 	/* machine layer sets up unconnected pins and insertions */
 	w->connected = 1;
 	return w;
+
+request_failed:
+	if (ret != -EPROBE_DEFER)
+		dev_err(dapm->dev, "ASoC: Failed to request %s: %d\n",
+			w->name, ret);
+
+	return ERR_PTR(ret);
+}
+
+/**
+ * snd_soc_dapm_new_control - create new dapm control
+ * @dapm: DAPM context
+ * @widget: widget template
+ *
+ * Creates new DAPM control based upon a template.
+ *
+ * Returns a widget pointer on success or an error pointer on failure
+ */
+struct snd_soc_dapm_widget *
+snd_soc_dapm_new_control(struct snd_soc_dapm_context *dapm,
+			 const struct snd_soc_dapm_widget *widget)
+{
+	struct snd_soc_dapm_widget *w;
+
+	mutex_lock_nested(&dapm->card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME);
+	w = snd_soc_dapm_new_control_unlocked(dapm, widget);
+	mutex_unlock(&dapm->card->dapm_mutex);
+
+	return w;
 }
+EXPORT_SYMBOL_GPL(snd_soc_dapm_new_control);
 
 /**
  * snd_soc_dapm_new_controls - create new dapm controls
@@ -3625,19 +3602,6 @@ int snd_soc_dapm_new_controls(struct snd_soc_dapm_context *dapm,
 		w = snd_soc_dapm_new_control_unlocked(dapm, widget);
 		if (IS_ERR(w)) {
 			ret = PTR_ERR(w);
-			/* Do not nag about probe deferrals */
-			if (ret == -EPROBE_DEFER)
-				break;
-			dev_err(dapm->dev,
-				"ASoC: Failed to create DAPM control %s (%d)\n",
-				widget->name, ret);
-			break;
-		}
-		if (!w) {
-			dev_err(dapm->dev,
-				"ASoC: Failed to create DAPM control %s\n",
-				widget->name);
-			ret = -ENOMEM;
 			break;
 		}
 		widget++;
@@ -3650,32 +3614,23 @@ EXPORT_SYMBOL_GPL(snd_soc_dapm_new_controls);
 static int snd_soc_dai_link_event(struct snd_soc_dapm_widget *w,
 				  struct snd_kcontrol *kcontrol, int event)
 {
-	struct snd_soc_dapm_path *source_p, *sink_p;
+	struct snd_soc_dapm_path *path;
 	struct snd_soc_dai *source, *sink;
 	struct snd_soc_pcm_runtime *rtd = w->priv;
-	const struct snd_soc_pcm_stream *config = w->params + w->params_select;
+	const struct snd_soc_pcm_stream *config;
 	struct snd_pcm_substream substream;
 	struct snd_pcm_hw_params *params = NULL;
 	struct snd_pcm_runtime *runtime = NULL;
 	unsigned int fmt;
-	int ret;
+	int ret = 0;
+
+	config = rtd->dai_link->params + rtd->params_select;
 
 	if (WARN_ON(!config) ||
 	    WARN_ON(list_empty(&w->edges[SND_SOC_DAPM_DIR_OUT]) ||
 		    list_empty(&w->edges[SND_SOC_DAPM_DIR_IN])))
 		return -EINVAL;
 
-	/* We only support a single source and sink, pick the first */
-	source_p = list_first_entry(&w->edges[SND_SOC_DAPM_DIR_OUT],
-				    struct snd_soc_dapm_path,
-				    list_node[SND_SOC_DAPM_DIR_OUT]);
-	sink_p = list_first_entry(&w->edges[SND_SOC_DAPM_DIR_IN],
-				    struct snd_soc_dapm_path,
-				    list_node[SND_SOC_DAPM_DIR_IN]);
-
-	source = source_p->source->priv;
-	sink = sink_p->sink->priv;
-
 	/* Be a little careful as we don't want to overflow the mask array */
 	if (config->formats) {
 		fmt = ffs(config->formats) - 1;
@@ -3717,59 +3672,95 @@ static int snd_soc_dai_link_event(struct snd_soc_dapm_widget *w,
 	switch (event) {
 	case SND_SOC_DAPM_PRE_PMU:
 		substream.stream = SNDRV_PCM_STREAM_CAPTURE;
-		if (source->driver->ops->startup) {
-			ret = source->driver->ops->startup(&substream, source);
-			if (ret < 0) {
-				dev_err(source->dev,
-					"ASoC: startup() failed: %d\n", ret);
-				goto out;
+		snd_soc_dapm_widget_for_each_source_path(w, path) {
+			source = path->source->priv;
+
+			if (source->driver->ops->startup) {
+				ret = source->driver->ops->startup(&substream,
+								   source);
+				if (ret < 0) {
+					dev_err(source->dev,
+						"ASoC: startup() failed: %d\n",
+						ret);
+					goto out;
+				}
+				source->active++;
 			}
-			source->active++;
+			ret = soc_dai_hw_params(&substream, params, source);
+			if (ret < 0)
+				goto out;
 		}
-		ret = soc_dai_hw_params(&substream, params, source);
-		if (ret < 0)
-			goto out;
 
 		substream.stream = SNDRV_PCM_STREAM_PLAYBACK;
-		if (sink->driver->ops->startup) {
-			ret = sink->driver->ops->startup(&substream, sink);
-			if (ret < 0) {
-				dev_err(sink->dev,
-					"ASoC: startup() failed: %d\n", ret);
-				goto out;
+		snd_soc_dapm_widget_for_each_sink_path(w, path) {
+			sink = path->sink->priv;
+
+			if (sink->driver->ops->startup) {
+				ret = sink->driver->ops->startup(&substream,
+								 sink);
+				if (ret < 0) {
+					dev_err(sink->dev,
+						"ASoC: startup() failed: %d\n",
+						ret);
+					goto out;
+				}
+				sink->active++;
 			}
-			sink->active++;
+			ret = soc_dai_hw_params(&substream, params, sink);
+			if (ret < 0)
+				goto out;
 		}
-		ret = soc_dai_hw_params(&substream, params, sink);
-		if (ret < 0)
-			goto out;
 		break;
 
 	case SND_SOC_DAPM_POST_PMU:
-		ret = snd_soc_dai_digital_mute(sink, 0,
-					       SNDRV_PCM_STREAM_PLAYBACK);
-		if (ret != 0 && ret != -ENOTSUPP)
-			dev_warn(sink->dev, "ASoC: Failed to unmute: %d\n", ret);
-		ret = 0;
+		snd_soc_dapm_widget_for_each_sink_path(w, path) {
+			sink = path->sink->priv;
+
+			ret = snd_soc_dai_digital_mute(sink, 0,
+						       SNDRV_PCM_STREAM_PLAYBACK);
+			if (ret != 0 && ret != -ENOTSUPP)
+				dev_warn(sink->dev,
+					 "ASoC: Failed to unmute: %d\n", ret);
+			ret = 0;
+		}
 		break;
 
 	case SND_SOC_DAPM_PRE_PMD:
-		ret = snd_soc_dai_digital_mute(sink, 1,
-					       SNDRV_PCM_STREAM_PLAYBACK);
-		if (ret != 0 && ret != -ENOTSUPP)
-			dev_warn(sink->dev, "ASoC: Failed to mute: %d\n", ret);
-		ret = 0;
+		snd_soc_dapm_widget_for_each_sink_path(w, path) {
+			sink = path->sink->priv;
+
+			ret = snd_soc_dai_digital_mute(sink, 1,
+						       SNDRV_PCM_STREAM_PLAYBACK);
+			if (ret != 0 && ret != -ENOTSUPP)
+				dev_warn(sink->dev,
+					 "ASoC: Failed to mute: %d\n", ret);
+			ret = 0;
+		}
 
-		source->active--;
-		if (source->driver->ops->shutdown) {
-			substream.stream = SNDRV_PCM_STREAM_CAPTURE;
-			source->driver->ops->shutdown(&substream, source);
+		substream.stream = SNDRV_PCM_STREAM_CAPTURE;
+		snd_soc_dapm_widget_for_each_source_path(w, path) {
+			source = path->source->priv;
+
+			if (source->driver->ops->hw_free)
+				source->driver->ops->hw_free(&substream,
+							     source);
+
+			source->active--;
+			if (source->driver->ops->shutdown)
+				source->driver->ops->shutdown(&substream,
+							      source);
 		}
 
-		sink->active--;
-		if (sink->driver->ops->shutdown) {
-			substream.stream = SNDRV_PCM_STREAM_PLAYBACK;
-			sink->driver->ops->shutdown(&substream, sink);
+		substream.stream = SNDRV_PCM_STREAM_PLAYBACK;
+		snd_soc_dapm_widget_for_each_sink_path(w, path) {
+			sink = path->sink->priv;
+
+			if (sink->driver->ops->hw_free)
+				sink->driver->ops->hw_free(&substream, sink);
+
+			sink->active--;
+			if (sink->driver->ops->shutdown)
+				sink->driver->ops->shutdown(&substream, sink);
 		}
 		break;
 
@@ -3788,8 +3779,9 @@ static int snd_soc_dapm_dai_link_get(struct snd_kcontrol *kcontrol,
 			  struct snd_ctl_elem_value *ucontrol)
 {
 	struct snd_soc_dapm_widget *w = snd_kcontrol_chip(kcontrol);
+	struct snd_soc_pcm_runtime *rtd = w->priv;
 
-	ucontrol->value.enumerated.item[0] = w->params_select;
+	ucontrol->value.enumerated.item[0] = rtd->params_select;
 
 	return 0;
 }
@@ -3798,18 +3790,19 @@ static int snd_soc_dapm_dai_link_put(struct snd_kcontrol *kcontrol,
 			  struct snd_ctl_elem_value *ucontrol)
 {
 	struct snd_soc_dapm_widget *w = snd_kcontrol_chip(kcontrol);
+	struct snd_soc_pcm_runtime *rtd = w->priv;
 
 	/* Can't change the config when widget is already powered */
 	if (w->power)
 		return -EBUSY;
 
-	if (ucontrol->value.enumerated.item[0] == w->params_select)
+	if (ucontrol->value.enumerated.item[0] == rtd->params_select)
 		return 0;
 
-	if (ucontrol->value.enumerated.item[0] >= w->num_params)
+	if (ucontrol->value.enumerated.item[0] >= rtd->dai_link->num_params)
 		return -EINVAL;
 
-	w->params_select = ucontrol->value.enumerated.item[0];
+	rtd->params_select = ucontrol->value.enumerated.item[0];
 
 	return 0;
 }
@@ -3896,12 +3889,10 @@ outfree_w_param:
 	return NULL;
 }
 
-int snd_soc_dapm_new_pcm(struct snd_soc_card *card,
-			 struct snd_soc_pcm_runtime *rtd,
-			 const struct snd_soc_pcm_stream *params,
-			 unsigned int num_params,
-			 struct snd_soc_dapm_widget *source,
-			 struct snd_soc_dapm_widget *sink)
+static struct snd_soc_dapm_widget *
+snd_soc_dapm_new_dai(struct snd_soc_card *card, struct snd_soc_pcm_runtime *rtd,
+		     struct snd_soc_dapm_widget *source,
+		     struct snd_soc_dapm_widget *sink)
 {
 	struct snd_soc_dapm_widget template;
 	struct snd_soc_dapm_widget *w;
@@ -3913,7 +3904,7 @@ int snd_soc_dapm_new_pcm(struct snd_soc_card *card,
 	link_name = devm_kasprintf(card->dev, GFP_KERNEL, "%s-%s",
 				   source->name, sink->name);
 	if (!link_name)
-		return -ENOMEM;
+		return ERR_PTR(-ENOMEM);
 
 	memset(&template, 0, sizeof(template));
 	template.reg = SND_SOC_NOPM;
@@ -3925,9 +3916,10 @@ int snd_soc_dapm_new_pcm(struct snd_soc_card *card,
 	template.kcontrol_news = NULL;
 
 	/* allocate memory for control, only in case of multiple configs */
-	if (num_params > 1) {
-		w_param_text = devm_kcalloc(card->dev, num_params,
-					sizeof(char *), GFP_KERNEL);
+	if (rtd->dai_link->num_params > 1) {
+		w_param_text = devm_kcalloc(card->dev,
+					    rtd->dai_link->num_params,
+					    sizeof(char *), GFP_KERNEL);
 		if (!w_param_text) {
 			ret = -ENOMEM;
 			goto param_fail;
@@ -3936,7 +3928,9 @@ int snd_soc_dapm_new_pcm(struct snd_soc_card *card,
 		template.num_kcontrols = 1;
 		template.kcontrol_news =
 					snd_soc_dapm_alloc_kcontrol(card,
-						link_name, params, num_params,
+						link_name,
+						rtd->dai_link->params,
+						rtd->dai_link->num_params,
 						w_param_text, &private_value);
 		if (!template.kcontrol_news) {
 			ret = -ENOMEM;
@@ -3950,37 +3944,20 @@ int snd_soc_dapm_new_pcm(struct snd_soc_card *card,
 	w = snd_soc_dapm_new_control_unlocked(&card->dapm, &template);
 	if (IS_ERR(w)) {
 		ret = PTR_ERR(w);
-		/* Do not nag about probe deferrals */
-		if (ret != -EPROBE_DEFER)
-			dev_err(card->dev,
-				"ASoC: Failed to create %s widget (%d)\n",
-				link_name, ret);
-		goto outfree_kcontrol_news;
-	}
-	if (!w) {
-		dev_err(card->dev, "ASoC: Failed to create %s widget\n",
-			link_name);
-		ret = -ENOMEM;
 		goto outfree_kcontrol_news;
 	}
 
-	w->params = params;
-	w->num_params = num_params;
 	w->priv = rtd;
 
-	ret = snd_soc_dapm_add_path(&card->dapm, source, w, NULL, NULL);
-	if (ret)
-		goto outfree_w;
-	return snd_soc_dapm_add_path(&card->dapm, w, sink, NULL, NULL);
+	return w;
 
-outfree_w:
-	devm_kfree(card->dev, w);
 outfree_kcontrol_news:
 	devm_kfree(card->dev, (void *)template.kcontrol_news);
-	snd_soc_dapm_free_kcontrol(card, &private_value, num_params, w_param_text);
+	snd_soc_dapm_free_kcontrol(card, &private_value,
+				   rtd->dai_link->num_params, w_param_text);
 param_fail:
 	devm_kfree(card->dev, link_name);
-	return ret;
+	return ERR_PTR(ret);
 }
 
 int snd_soc_dapm_new_dai_widgets(struct snd_soc_dapm_context *dapm,
@@ -4003,21 +3980,8 @@ int snd_soc_dapm_new_dai_widgets(struct snd_soc_dapm_context *dapm,
 			template.name);
 
 		w = snd_soc_dapm_new_control_unlocked(dapm, &template);
-		if (IS_ERR(w)) {
-			int ret = PTR_ERR(w);
-
-			/* Do not nag about probe deferrals */
-			if (ret != -EPROBE_DEFER)
-				dev_err(dapm->dev,
-				"ASoC: Failed to create %s widget (%d)\n",
-				dai->driver->playback.stream_name, ret);
-			return ret;
-		}
-		if (!w) {
-			dev_err(dapm->dev, "ASoC: Failed to create %s widget\n",
-				dai->driver->playback.stream_name);
-			return -ENOMEM;
-		}
+		if (IS_ERR(w))
+			return PTR_ERR(w);
 
 		w->priv = dai;
 		dai->playback_widget = w;
@@ -4032,21 +3996,8 @@ int snd_soc_dapm_new_dai_widgets(struct snd_soc_dapm_context *dapm,
 			template.name);
 
 		w = snd_soc_dapm_new_control_unlocked(dapm, &template);
-		if (IS_ERR(w)) {
-			int ret = PTR_ERR(w);
-
-			/* Do not nag about probe deferrals */
-			if (ret != -EPROBE_DEFER)
-				dev_err(dapm->dev,
-				"ASoC: Failed to create %s widget (%d)\n",
-				dai->driver->playback.stream_name, ret);
-			return ret;
-		}
-		if (!w) {
-			dev_err(dapm->dev, "ASoC: Failed to create %s widget\n",
-				dai->driver->capture.stream_name);
-			return -ENOMEM;
-		}
+		if (IS_ERR(w))
+			return PTR_ERR(w);
 
 		w->priv = dai;
 		dai->capture_widget = w;
@@ -4115,34 +4066,79 @@ static void dapm_connect_dai_link_widgets(struct snd_soc_card *card,
 					  struct snd_soc_pcm_runtime *rtd)
 {
 	struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
-	struct snd_soc_dapm_widget *sink, *source;
+	struct snd_soc_dai *codec_dai;
+	struct snd_soc_dapm_widget *playback = NULL, *capture = NULL;
+	struct snd_soc_dapm_widget *codec, *playback_cpu, *capture_cpu;
 	int i;
 
-	for (i = 0; i < rtd->num_codecs; i++) {
-		struct snd_soc_dai *codec_dai = rtd->codec_dais[i];
+	if (rtd->dai_link->params) {
+		playback_cpu = cpu_dai->capture_widget;
+		capture_cpu = cpu_dai->playback_widget;
+	} else {
+		playback = cpu_dai->playback_widget;
+		capture = cpu_dai->capture_widget;
+		playback_cpu = playback;
+		capture_cpu = capture;
+	}
+
+	for_each_rtd_codec_dai(rtd, i, codec_dai) {
 
 		/* connect BE DAI playback if widgets are valid */
-		if (codec_dai->playback_widget && cpu_dai->playback_widget) {
-			source = cpu_dai->playback_widget;
-			sink = codec_dai->playback_widget;
+		codec = codec_dai->playback_widget;
+
+		if (playback_cpu && codec) {
+			if (!playback) {
+				playback = snd_soc_dapm_new_dai(card, rtd,
+								playback_cpu,
+								codec);
+				if (IS_ERR(playback)) {
+					dev_err(rtd->dev,
+						"ASoC: Failed to create DAI %s: %ld\n",
+						codec_dai->name,
+						PTR_ERR(playback));
+					continue;
+				}
+
+				snd_soc_dapm_add_path(&card->dapm, playback_cpu,
+						      playback, NULL, NULL);
+			}
+
 			dev_dbg(rtd->dev, "connected DAI link %s:%s -> %s:%s\n",
-				cpu_dai->component->name, source->name,
-				codec_dai->component->name, sink->name);
+				cpu_dai->component->name, playback_cpu->name,
+				codec_dai->component->name, codec->name);
 
-			snd_soc_dapm_add_path(&card->dapm, source, sink,
-				NULL, NULL);
+			snd_soc_dapm_add_path(&card->dapm, playback, codec,
+					      NULL, NULL);
 		}
+	}
 
+	for_each_rtd_codec_dai(rtd, i, codec_dai) {
 		/* connect BE DAI capture if widgets are valid */
-		if (codec_dai->capture_widget && cpu_dai->capture_widget) {
-			source = codec_dai->capture_widget;
-			sink = cpu_dai->capture_widget;
+		codec = codec_dai->capture_widget;
+
+		if (codec && capture_cpu) {
+			if (!capture) {
+				capture = snd_soc_dapm_new_dai(card, rtd,
+							       codec,
+							       capture_cpu);
+				if (IS_ERR(capture)) {
+					dev_err(rtd->dev,
+						"ASoC: Failed to create DAI %s: %ld\n",
+						codec_dai->name,
+						PTR_ERR(capture));
+					continue;
+				}
+
+				snd_soc_dapm_add_path(&card->dapm, capture,
+						      capture_cpu, NULL, NULL);
+			}
+
 			dev_dbg(rtd->dev, "connected DAI link %s:%s -> %s:%s\n",
-				codec_dai->component->name, source->name,
-				cpu_dai->component->name, sink->name);
+				codec_dai->component->name, codec->name,
+				cpu_dai->component->name, capture_cpu->name);
 
-			snd_soc_dapm_add_path(&card->dapm, source, sink,
-				NULL, NULL);
+			snd_soc_dapm_add_path(&card->dapm, codec, capture,
+					      NULL, NULL);
 		}
 	}
 }
@@ -4192,12 +4188,12 @@ void snd_soc_dapm_connect_dai_link_widgets(struct snd_soc_card *card)
 	struct snd_soc_pcm_runtime *rtd;
 
 	/* for each BE DAI link... */
-	list_for_each_entry(rtd, &card->rtd_list, list)  {
+	for_each_card_rtds(card, rtd)  {
 		/*
 		 * dynamic FE links have no fixed DAI mapping.
 		 * CODEC<->CODEC links have no direct connection.
 		 */
-		if (rtd->dai_link->dynamic || rtd->dai_link->params)
+		if (rtd->dai_link->dynamic)
 			continue;
 
 		dapm_connect_dai_link_widgets(card, rtd);
@@ -4207,11 +4203,12 @@ void snd_soc_dapm_connect_dai_link_widgets(struct snd_soc_card *card)
 static void soc_dapm_stream_event(struct snd_soc_pcm_runtime *rtd, int stream,
 	int event)
 {
+	struct snd_soc_dai *codec_dai;
 	int i;
 
 	soc_dapm_dai_stream_event(rtd->cpu_dai, stream, event);
-	for (i = 0; i < rtd->num_codecs; i++)
-		soc_dapm_dai_stream_event(rtd->codec_dais[i], stream, event);
+	for_each_rtd_codec_dai(rtd, i, codec_dai)
+		soc_dapm_dai_stream_event(codec_dai, stream, event);
 
 	dapm_power_widgets(rtd->card, event);
 }