Merge remote-tracking branch 'asoc/topic/dapm' into asoc-core

8 files changed, 493 insertions, 398 deletions

diff --git a/sound/soc/codecs/tlv320aic3x.c b/sound/soc/codecs/tlv320aic3x.c
index e5b92688313..fec0db04262 100644
--- a/sound/soc/codecs/tlv320aic3x.c
+++ b/sound/soc/codecs/tlv320aic3x.c
@@ -138,8 +138,7 @@ static const u8 aic3x_reg[AIC3X_CACHEREGNUM] = {
 static int snd_soc_dapm_put_volsw_aic3x(struct snd_kcontrol *kcontrol,
 					struct snd_ctl_elem_value *ucontrol)
 {
-	struct snd_soc_dapm_widget_list *wlist = snd_kcontrol_chip(kcontrol);
-	struct snd_soc_dapm_widget *widget = wlist->widgets[0];
+	struct snd_soc_codec *codec = snd_soc_dapm_kcontrol_codec(kcontrol);
 	struct soc_mixer_control *mc =
 		(struct soc_mixer_control *)kcontrol->private_value;
 	unsigned int reg = mc->reg;
@@ -147,10 +146,9 @@ static int snd_soc_dapm_put_volsw_aic3x(struct snd_kcontrol *kcontrol,
 	int max = mc->max;
 	unsigned int mask = (1 << fls(max)) - 1;
 	unsigned int invert = mc->invert;
-	unsigned short val, val_mask;
-	int ret;
-	struct snd_soc_dapm_path *path;
-	int found = 0;
+	unsigned short val;
+	struct snd_soc_dapm_update update;
+	int connect, change;
 
 	val = (ucontrol->value.integer.value[0] & mask);
 
@@ -158,42 +156,26 @@ static int snd_soc_dapm_put_volsw_aic3x(struct snd_kcontrol *kcontrol,
 	if (val)
 		val = mask;
 
+	connect = !!val;
+
 	if (invert)
 		val = mask - val;
-	val_mask = mask << shift;
-	val = val << shift;
-
-	mutex_lock(&widget->codec->mutex);
 
-	if (snd_soc_test_bits(widget->codec, reg, val_mask, val)) {
-		/* find dapm widget path assoc with kcontrol */
-		list_for_each_entry(path, &widget->dapm->card->paths, list) {
-			if (path->kcontrol != kcontrol)
-				continue;
+	mask <<= shift;
+	val <<= shift;
 
-			/* found, now check type */
-			found = 1;
-			if (val)
-				/* new connection */
-				path->connect = invert ? 0 : 1;
-			else
-				/* old connection must be powered down */
-				path->connect = invert ? 1 : 0;
+	change = snd_soc_test_bits(codec, val, mask, reg);
+	if (change) {
+		update.kcontrol = kcontrol;
+		update.reg = reg;
+		update.mask = mask;
+		update.val = val;
 
-			dapm_mark_dirty(path->source, "tlv320aic3x source");
-			dapm_mark_dirty(path->sink, "tlv320aic3x sink");
-
-			break;
-		}
+		snd_soc_dapm_mixer_update_power(&codec->dapm, kcontrol, connect,
+			&update);
 	}
 
-	mutex_unlock(&widget->codec->mutex);
-
-	if (found)
-		snd_soc_dapm_sync(widget->dapm);
-
-	ret = snd_soc_update_bits_locked(widget->codec, reg, val_mask, val);
-	return ret;
+	return change;
 }
 
 /*
diff --git a/sound/soc/codecs/twl6040.c b/sound/soc/codecs/twl6040.c
index 44621ddc332..d6c5bf14179 100644
--- a/sound/soc/codecs/twl6040.c
+++ b/sound/soc/codecs/twl6040.c
@@ -437,9 +437,7 @@ static irqreturn_t twl6040_audio_handler(int irq, void *data)
 static int twl6040_soc_dapm_put_vibra_enum(struct snd_kcontrol *kcontrol,
 	struct snd_ctl_elem_value *ucontrol)
 {
-	struct snd_soc_dapm_widget_list *wlist = snd_kcontrol_chip(kcontrol);
-	struct snd_soc_dapm_widget *widget = wlist->widgets[0];
-	struct snd_soc_codec *codec = widget->codec;
+	struct snd_soc_codec *codec = snd_soc_dapm_kcontrol_codec(kcontrol);
 	struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
 	unsigned int val;
 
diff --git a/sound/soc/codecs/wm8903.c b/sound/soc/codecs/wm8903.c
index fa24cedee68..eebcb1da3b7 100644
--- a/sound/soc/codecs/wm8903.c
+++ b/sound/soc/codecs/wm8903.c
@@ -364,9 +364,7 @@ static void wm8903_seq_notifier(struct snd_soc_dapm_context *dapm,
 static int wm8903_class_w_put(struct snd_kcontrol *kcontrol,
 			      struct snd_ctl_elem_value *ucontrol)
 {
-	struct snd_soc_dapm_widget_list *wlist = snd_kcontrol_chip(kcontrol);
-	struct snd_soc_dapm_widget *widget = wlist->widgets[0];
-	struct snd_soc_codec *codec = widget->codec;
+	struct snd_soc_codec *codec = snd_soc_dapm_kcontrol_codec(kcontrol);
 	struct wm8903_priv *wm8903 = snd_soc_codec_get_drvdata(codec);
 	u16 reg;
 	int ret;
diff --git a/sound/soc/codecs/wm8994.c b/sound/soc/codecs/wm8994.c
index ba832b77c54..eee2a01f269 100644
--- a/sound/soc/codecs/wm8994.c
+++ b/sound/soc/codecs/wm8994.c
@@ -1437,9 +1437,7 @@ SOC_DAPM_SINGLE("AIF1.1 Switch", WM8994_DAC2_RIGHT_MIXER_ROUTING,
 static int wm8994_put_class_w(struct snd_kcontrol *kcontrol,
 			      struct snd_ctl_elem_value *ucontrol)
 {
-	struct snd_soc_dapm_widget_list *wlist = snd_kcontrol_chip(kcontrol);
-	struct snd_soc_dapm_widget *w = wlist->widgets[0];
-	struct snd_soc_codec *codec = w->codec;
+	struct snd_soc_codec *codec = snd_soc_dapm_kcontrol_codec(kcontrol);
 	int ret;
 
 	ret = snd_soc_dapm_put_volsw(kcontrol, ucontrol);
diff --git a/sound/soc/codecs/wm8995.c b/sound/soc/codecs/wm8995.c
index 90a65c42754..da2899e6c40 100644
--- a/sound/soc/codecs/wm8995.c
+++ b/sound/soc/codecs/wm8995.c
@@ -549,12 +549,9 @@ static int check_clk_sys(struct snd_soc_dapm_widget *source,
 static int wm8995_put_class_w(struct snd_kcontrol *kcontrol,
 			      struct snd_ctl_elem_value *ucontrol)
 {
-	struct snd_soc_dapm_widget_list *wlist = snd_kcontrol_chip(kcontrol);
-	struct snd_soc_dapm_widget *w = wlist->widgets[0];
-	struct snd_soc_codec *codec;
+	struct snd_soc_codec *codec = snd_soc_dapm_kcontrol_codec(kcontrol);
 	int ret;
 
-	codec = w->codec;
 	ret = snd_soc_dapm_put_volsw(kcontrol, ucontrol);
 	wm8995_update_class_w(codec);
 	return ret;
diff --git a/sound/soc/codecs/wm_hubs.c b/sound/soc/codecs/wm_hubs.c
index 2d9e099415a..8b50e5958de 100644
--- a/sound/soc/codecs/wm_hubs.c
+++ b/sound/soc/codecs/wm_hubs.c
@@ -699,9 +699,7 @@ EXPORT_SYMBOL_GPL(wm_hubs_update_class_w);
 static int class_w_put_volsw(struct snd_kcontrol *kcontrol,
 			      struct snd_ctl_elem_value *ucontrol)
 {
-	struct snd_soc_dapm_widget_list *wlist = snd_kcontrol_chip(kcontrol);
-	struct snd_soc_dapm_widget *widget = wlist->widgets[0];
-	struct snd_soc_codec *codec = widget->codec;
+	struct snd_soc_codec *codec = snd_soc_dapm_kcontrol_codec(kcontrol);
 	int ret;
 
 	ret = snd_soc_dapm_put_volsw(kcontrol, ucontrol);
@@ -721,9 +719,7 @@ static int class_w_put_volsw(struct snd_kcontrol *kcontrol,
 static int class_w_put_double(struct snd_kcontrol *kcontrol,
 			      struct snd_ctl_elem_value *ucontrol)
 {
-	struct snd_soc_dapm_widget_list *wlist = snd_kcontrol_chip(kcontrol);
-	struct snd_soc_dapm_widget *widget = wlist->widgets[0];
-	struct snd_soc_codec *codec = widget->codec;
+	struct snd_soc_codec *codec = snd_soc_dapm_kcontrol_codec(kcontrol);
 	int ret;
 
 	ret = snd_soc_dapm_put_enum_double(kcontrol, ucontrol);
diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c
index 105f7c4bef8..7e9afbc49ef 100644
--- a/sound/soc/soc-dapm.c
+++ b/sound/soc/soc-dapm.c
@@ -47,6 +47,15 @@
 
 #define DAPM_UPDATE_STAT(widget, val) widget->dapm->card->dapm_stats.val++;
 
+static int snd_soc_dapm_add_path(struct snd_soc_dapm_context *dapm,
+	struct snd_soc_dapm_widget *wsource, struct snd_soc_dapm_widget *wsink,
+	const char *control,
+	int (*connected)(struct snd_soc_dapm_widget *source,
+			 struct snd_soc_dapm_widget *sink));
+static struct snd_soc_dapm_widget *
+snd_soc_dapm_new_control(struct snd_soc_dapm_context *dapm,
+			 const struct snd_soc_dapm_widget *widget);
+
 /* dapm power sequences - make this per codec in the future */
 static int dapm_up_seq[] = {
 	[snd_soc_dapm_pre] = 0,
@@ -73,16 +82,18 @@ static int dapm_up_seq[] = {
 	[snd_soc_dapm_hp] = 10,
 	[snd_soc_dapm_spk] = 10,
 	[snd_soc_dapm_line] = 10,
-	[snd_soc_dapm_post] = 11,
+	[snd_soc_dapm_kcontrol] = 11,
+	[snd_soc_dapm_post] = 12,
 };
 
 static int dapm_down_seq[] = {
 	[snd_soc_dapm_pre] = 0,
-	[snd_soc_dapm_adc] = 1,
-	[snd_soc_dapm_hp] = 2,
-	[snd_soc_dapm_spk] = 2,
-	[snd_soc_dapm_line] = 2,
-	[snd_soc_dapm_out_drv] = 2,
+	[snd_soc_dapm_kcontrol] = 1,
+	[snd_soc_dapm_adc] = 2,
+	[snd_soc_dapm_hp] = 3,
+	[snd_soc_dapm_spk] = 3,
+	[snd_soc_dapm_line] = 3,
+	[snd_soc_dapm_out_drv] = 3,
 	[snd_soc_dapm_pga] = 4,
 	[snd_soc_dapm_switch] = 5,
 	[snd_soc_dapm_mixer_named_ctl] = 5,
@@ -174,6 +185,176 @@ static inline struct snd_soc_dapm_widget *dapm_cnew_widget(
 	return kmemdup(_widget, sizeof(*_widget), GFP_KERNEL);
 }
 
+struct dapm_kcontrol_data {
+	unsigned int value;
+	struct snd_soc_dapm_widget *widget;
+	struct list_head paths;
+	struct snd_soc_dapm_widget_list *wlist;
+};
+
+static int dapm_kcontrol_data_alloc(struct snd_soc_dapm_widget *widget,
+	struct snd_kcontrol *kcontrol)
+{
+	struct dapm_kcontrol_data *data;
+	struct soc_mixer_control *mc;
+
+	data = kzalloc(sizeof(*data), GFP_KERNEL);
+	if (!data) {
+		dev_err(widget->dapm->dev,
+				"ASoC: can't allocate kcontrol data for %s\n",
+				widget->name);
+		return -ENOMEM;
+	}
+
+	INIT_LIST_HEAD(&data->paths);
+
+	switch (widget->id) {
+	case snd_soc_dapm_switch:
+	case snd_soc_dapm_mixer:
+	case snd_soc_dapm_mixer_named_ctl:
+		mc = (struct soc_mixer_control *)kcontrol->private_value;
+
+		if (mc->autodisable) {
+			struct snd_soc_dapm_widget template;
+
+			memset(&template, 0, sizeof(template));
+			template.reg = mc->reg;
+			template.mask = (1 << fls(mc->max)) - 1;
+			template.shift = mc->shift;
+			if (mc->invert)
+				template.off_val = mc->max;
+			else
+				template.off_val = 0;
+			template.on_val = template.off_val;
+			template.id = snd_soc_dapm_kcontrol;
+			template.name = kcontrol->id.name;
+
+			data->widget = snd_soc_dapm_new_control(widget->dapm,
+				&template);
+			if (!data->widget) {
+				kfree(data);
+				return -ENOMEM;
+			}
+		}
+		break;
+	default:
+		break;
+	}
+
+	kcontrol->private_data = data;
+
+	return 0;
+}
+
+static void dapm_kcontrol_free(struct snd_kcontrol *kctl)
+{
+	struct dapm_kcontrol_data *data = snd_kcontrol_chip(kctl);
+	kfree(data->widget);
+	kfree(data->wlist);
+	kfree(data);
+}
+
+static struct snd_soc_dapm_widget_list *dapm_kcontrol_get_wlist(
+	const struct snd_kcontrol *kcontrol)
+{
+	struct dapm_kcontrol_data *data = snd_kcontrol_chip(kcontrol);
+
+	return data->wlist;
+}
+
+static int dapm_kcontrol_add_widget(struct snd_kcontrol *kcontrol,
+	struct snd_soc_dapm_widget *widget)
+{
+	struct dapm_kcontrol_data *data = snd_kcontrol_chip(kcontrol);
+	struct snd_soc_dapm_widget_list *new_wlist;
+	unsigned int n;
+
+	if (data->wlist)
+		n = data->wlist->num_widgets + 1;
+	else
+		n = 1;
+
+	new_wlist = krealloc(data->wlist,
+			sizeof(*new_wlist) + sizeof(widget) * n, GFP_KERNEL);
+	if (!new_wlist)
+		return -ENOMEM;
+
+	new_wlist->widgets[n - 1] = widget;
+	new_wlist->num_widgets = n;
+
+	data->wlist = new_wlist;
+
+	return 0;
+}
+
+static void dapm_kcontrol_add_path(const struct snd_kcontrol *kcontrol,
+	struct snd_soc_dapm_path *path)
+{
+	struct dapm_kcontrol_data *data = snd_kcontrol_chip(kcontrol);
+
+	list_add_tail(&path->list_kcontrol, &data->paths);
+
+	if (data->widget) {
+		snd_soc_dapm_add_path(data->widget->dapm, data->widget,
+		    path->source, NULL, NULL);
+	}
+}
+
+static bool dapm_kcontrol_is_powered(const struct snd_kcontrol *kcontrol)
+{
+	struct dapm_kcontrol_data *data = snd_kcontrol_chip(kcontrol);
+
+	if (!data->widget)
+		return true;
+
+	return data->widget->power;
+}
+
+static struct list_head *dapm_kcontrol_get_path_list(
+	const struct snd_kcontrol *kcontrol)
+{
+	struct dapm_kcontrol_data *data = snd_kcontrol_chip(kcontrol);
+
+	return &data->paths;
+}
+
+#define dapm_kcontrol_for_each_path(path, kcontrol) \
+	list_for_each_entry(path, dapm_kcontrol_get_path_list(kcontrol), \
+		list_kcontrol)
+
+static unsigned int dapm_kcontrol_get_value(const struct snd_kcontrol *kcontrol)
+{
+	struct dapm_kcontrol_data *data = snd_kcontrol_chip(kcontrol);
+
+	return data->value;
+}
+
+static bool dapm_kcontrol_set_value(const struct snd_kcontrol *kcontrol,
+	unsigned int value)
+{
+	struct dapm_kcontrol_data *data = snd_kcontrol_chip(kcontrol);
+
+	if (data->value == value)
+		return false;
+
+	if (data->widget)
+		data->widget->on_val = value;
+
+	data->value = value;
+
+	return true;
+}
+
+/**
+ * snd_soc_dapm_kcontrol_codec() - Returns the codec associated to a kcontrol
+ * @kcontrol: The kcontrol
+ */
+struct snd_soc_codec *snd_soc_dapm_kcontrol_codec(struct snd_kcontrol *kcontrol)
+{
+	return dapm_kcontrol_get_wlist(kcontrol)->widgets[0]->codec;
+}
+EXPORT_SYMBOL_GPL(snd_soc_dapm_kcontrol_codec);
+
 static void dapm_reset(struct snd_soc_card *card)
 {
 	struct snd_soc_dapm_widget *w;
@@ -181,6 +362,7 @@ static void dapm_reset(struct snd_soc_card *card)
 	memset(&card->dapm_stats, 0, sizeof(card->dapm_stats));
 
 	list_for_each_entry(w, &card->widgets, list) {
+		w->new_power = w->power;
 		w->power_checked = false;
 		w->inputs = -1;
 		w->outputs = -1;
@@ -398,6 +580,7 @@ static void dapm_set_path_status(struct snd_soc_dapm_widget *w,
 	case snd_soc_dapm_spk:
 	case snd_soc_dapm_line:
 	case snd_soc_dapm_dai_link:
+	case snd_soc_dapm_kcontrol:
 		p->connect = 1;
 	break;
 	/* does affect routing - dynamically connected */
@@ -477,17 +660,12 @@ static int dapm_is_shared_kcontrol(struct snd_soc_dapm_context *dapm,
 	return 0;
 }
 
-static void dapm_kcontrol_free(struct snd_kcontrol *kctl)
-{
-	kfree(kctl->private_data);
-}
-
 /*
  * Determine if a kcontrol is shared. If it is, look it up. If it isn't,
  * create it. Either way, add the widget into the control's widget list
  */
 static int dapm_create_or_share_mixmux_kcontrol(struct snd_soc_dapm_widget *w,
-	int kci, struct snd_soc_dapm_path *path)
+	int kci)
 {
 	struct snd_soc_dapm_context *dapm = w->dapm;
 	struct snd_card *card = dapm->card->snd_card;
@@ -495,9 +673,6 @@ static int dapm_create_or_share_mixmux_kcontrol(struct snd_soc_dapm_widget *w,
 	size_t prefix_len;
 	int shared;
 	struct snd_kcontrol *kcontrol;
-	struct snd_soc_dapm_widget_list *wlist;
-	int wlistentries;
-	size_t wlistsize;
 	bool wname_in_long_name, kcname_in_long_name;
 	char *long_name;
 	const char *name;
@@ -516,25 +691,6 @@ static int dapm_create_or_share_mixmux_kcontrol(struct snd_soc_dapm_widget *w,
 	shared = dapm_is_shared_kcontrol(dapm, w, &w->kcontrol_news[kci],
 					 &kcontrol);
 
-	if (kcontrol) {
-		wlist = kcontrol->private_data;
-		wlistentries = wlist->num_widgets + 1;
-	} else {
-		wlist = NULL;
-		wlistentries = 1;
-	}
-
-	wlistsize = sizeof(struct snd_soc_dapm_widget_list) +
-			wlistentries * sizeof(struct snd_soc_dapm_widget *);
-	wlist = krealloc(wlist, wlistsize, GFP_KERNEL);
-	if (wlist == NULL) {
-		dev_err(dapm->dev, "ASoC: can't allocate widget list for %s\n",
-			w->name);
-		return -ENOMEM;
-	}
-	wlist->num_widgets = wlistentries;
-	wlist->widgets[wlistentries - 1] = w;
-
 	if (!kcontrol) {
 		if (shared) {
 			wname_in_long_name = false;
@@ -557,7 +713,6 @@ static int dapm_create_or_share_mixmux_kcontrol(struct snd_soc_dapm_widget *w,
 				kcname_in_long_name = false;
 				break;
 			default:
-				kfree(wlist);
 				return -EINVAL;
 			}
 		}
@@ -572,10 +727,8 @@ static int dapm_create_or_share_mixmux_kcontrol(struct snd_soc_dapm_widget *w,
 			long_name = kasprintf(GFP_KERNEL, "%s %s",
 				 w->name + prefix_len,
 				 w->kcontrol_news[kci].name);
-			if (long_name == NULL) {
-				kfree(wlist);
+			if (long_name == NULL)
 				return -ENOMEM;
-			}
 
 			name = long_name;
 		} else if (wname_in_long_name) {
@@ -586,23 +739,33 @@ static int dapm_create_or_share_mixmux_kcontrol(struct snd_soc_dapm_widget *w,
 			name = w->kcontrol_news[kci].name;
 		}
 
-		kcontrol = snd_soc_cnew(&w->kcontrol_news[kci], wlist, name,
+		kcontrol = snd_soc_cnew(&w->kcontrol_news[kci], NULL, name,
 					prefix);
-		kcontrol->private_free = dapm_kcontrol_free;
 		kfree(long_name);
+		if (!kcontrol)
+			return -ENOMEM;
+		kcontrol->private_free = dapm_kcontrol_free;
+
+		ret = dapm_kcontrol_data_alloc(w, kcontrol);
+		if (ret) {
+			snd_ctl_free_one(kcontrol);
+			return ret;
+		}
+
 		ret = snd_ctl_add(card, kcontrol);
 		if (ret < 0) {
 			dev_err(dapm->dev,
 				"ASoC: failed to add widget %s dapm kcontrol %s: %d\n",
 				w->name, name, ret);
-			kfree(wlist);
 			return ret;
 		}
 	}
 
-	kcontrol->private_data = wlist;
+	ret = dapm_kcontrol_add_widget(kcontrol, w);
+	if (ret)
+		return ret;
+
 	w->kcontrols[kci] = kcontrol;
-	path->kcontrol = kcontrol;
 
 	return 0;
 }
@@ -622,13 +785,15 @@ static int dapm_new_mixer(struct snd_soc_dapm_widget *w)
 				continue;
 
 			if (w->kcontrols[i]) {
-				path->kcontrol = w->kcontrols[i];
+				dapm_kcontrol_add_path(w->kcontrols[i], path);
 				continue;
 			}
 
-			ret = dapm_create_or_share_mixmux_kcontrol(w, i, path);
+			ret = dapm_create_or_share_mixmux_kcontrol(w, i);
 			if (ret < 0)
 				return ret;
+
+			dapm_kcontrol_add_path(w->kcontrols[i], path);
 		}
 	}
 
@@ -654,15 +819,12 @@ static int dapm_new_mux(struct snd_soc_dapm_widget *w)
 		return -EINVAL;
 	}
 
-	path = list_first_entry(&w->sources, struct snd_soc_dapm_path,
-				list_sink);
-
-	ret = dapm_create_or_share_mixmux_kcontrol(w, 0, path);
+	ret = dapm_create_or_share_mixmux_kcontrol(w, 0);
 	if (ret < 0)
 		return ret;
 
 	list_for_each_entry(path, &w->sources, list_sink)
-		path->kcontrol = w->kcontrols[0];
+		dapm_kcontrol_add_path(w->kcontrols[0], path);
 
 	return 0;
 }
@@ -783,6 +945,7 @@ static int is_connected_output_ep(struct snd_soc_dapm_widget *widget,
 	case snd_soc_dapm_supply:
 	case snd_soc_dapm_regulator_supply:
 	case snd_soc_dapm_clock_supply:
+	case snd_soc_dapm_kcontrol:
 		return 0;
 	default:
 		break;
@@ -878,6 +1041,7 @@ static int is_connected_input_ep(struct snd_soc_dapm_widget *widget,
 	case snd_soc_dapm_supply:
 	case snd_soc_dapm_regulator_supply:
 	case snd_soc_dapm_clock_supply:
+	case snd_soc_dapm_kcontrol:
 		return 0;
 	default:
 		break;
@@ -1032,7 +1196,7 @@ int dapm_regulator_event(struct snd_soc_dapm_widget *w,
 	int ret;
 
 	if (SND_SOC_DAPM_EVENT_ON(event)) {
-		if (w->invert & SND_SOC_DAPM_REGULATOR_BYPASS) {
+		if (w->on_val & SND_SOC_DAPM_REGULATOR_BYPASS) {
 			ret = regulator_allow_bypass(w->regulator, false);
 			if (ret != 0)
 				dev_warn(w->dapm->dev,
@@ -1042,7 +1206,7 @@ int dapm_regulator_event(struct snd_soc_dapm_widget *w,
 
 		return regulator_enable(w->regulator);
 	} else {
-		if (w->invert & SND_SOC_DAPM_REGULATOR_BYPASS) {
+		if (w->on_val & SND_SOC_DAPM_REGULATOR_BYPASS) {
 			ret = regulator_allow_bypass(w->regulator, true);
 			if (ret != 0)
 				dev_warn(w->dapm->dev,
@@ -1214,10 +1378,9 @@ static void dapm_seq_insert(struct snd_soc_dapm_widget *new_widget,
 	list_add_tail(&new_widget->power_list, list);
 }
 
-static void dapm_seq_check_event(struct snd_soc_dapm_context *dapm,
+static void dapm_seq_check_event(struct snd_soc_card *card,
 				 struct snd_soc_dapm_widget *w, int event)
 {
-	struct snd_soc_card *card = dapm->card;
 	const char *ev_name;
 	int power, ret;
 
@@ -1251,55 +1414,50 @@ static void dapm_seq_check_event(struct snd_soc_dapm_context *dapm,
 		return;
 	}
 
-	if (w->power != power)
+	if (w->new_power != power)
 		return;
 
 	if (w->event && (w->event_flags & event)) {
-		pop_dbg(dapm->dev, card->pop_time, "pop test : %s %s\n",
+		pop_dbg(w->dapm->dev, card->pop_time, "pop test : %s %s\n",
 			w->name, ev_name);
 		trace_snd_soc_dapm_widget_event_start(w, event);
 		ret = w->event(w, NULL, event);
 		trace_snd_soc_dapm_widget_event_done(w, event);
 		if (ret < 0)
-			dev_err(dapm->dev, "ASoC: %s: %s event failed: %d\n",
+			dev_err(w->dapm->dev, "ASoC: %s: %s event failed: %d\n",
 			       ev_name, w->name, ret);
 	}
 }
 
 /* Apply the coalesced changes from a DAPM sequence */
-static void dapm_seq_run_coalesced(struct snd_soc_dapm_context *dapm,
+static void dapm_seq_run_coalesced(struct snd_soc_card *card,
 				   struct list_head *pending)
 {
-	struct snd_soc_card *card = dapm->card;
 	struct snd_soc_dapm_widget *w;
-	int reg, power;
+	int reg;
 	unsigned int value = 0;
 	unsigned int mask = 0;
-	unsigned int cur_mask;
 
 	reg = list_first_entry(pending, struct snd_soc_dapm_widget,
 			       power_list)->reg;
 
 	list_for_each_entry(w, pending, power_list) {
-		cur_mask = 1 << w->shift;
 		BUG_ON(reg != w->reg);
+		w->power = w->new_power;
 
-		if (w->invert)
-			power = !w->power;
+		mask |= w->mask << w->shift;
+		if (w->power)
+			value |= w->on_val << w->shift;
 		else
-			power = w->power;
-
-		mask |= cur_mask;
-		if (power)
-			value |= cur_mask;
+			value |= w->off_val << w->shift;
 
-		pop_dbg(dapm->dev, card->pop_time,
+		pop_dbg(w->dapm->dev, card->pop_time,
 			"pop test : Queue %s: reg=0x%x, 0x%x/0x%x\n",
 			w->name, reg, value, mask);
 
 		/* Check for events */
-		dapm_seq_check_event(dapm, w, SND_SOC_DAPM_PRE_PMU);
-		dapm_seq_check_event(dapm, w, SND_SOC_DAPM_PRE_PMD);
+		dapm_seq_check_event(card, w, SND_SOC_DAPM_PRE_PMU);
+		dapm_seq_check_event(card, w, SND_SOC_DAPM_PRE_PMD);
 	}
 
 	if (reg >= 0) {
@@ -1309,7 +1467,7 @@ static void dapm_seq_run_coalesced(struct snd_soc_dapm_context *dapm,
 		w = list_first_entry(pending, struct snd_soc_dapm_widget,
 				     power_list);
 
-		pop_dbg(dapm->dev, card->pop_time,
+		pop_dbg(w->dapm->dev, card->pop_time,
 			"pop test : Applying 0x%x/0x%x to %x in %dms\n",
 			value, mask, reg, card->pop_time);
 		pop_wait(card->pop_time);
@@ -1317,8 +1475,8 @@ static void dapm_seq_run_coalesced(struct snd_soc_dapm_context *dapm,
 	}
 
 	list_for_each_entry(w, pending, power_list) {
-		dapm_seq_check_event(dapm, w, SND_SOC_DAPM_POST_PMU);
-		dapm_seq_check_event(dapm, w, SND_SOC_DAPM_POST_PMD);
+		dapm_seq_check_event(card, w, SND_SOC_DAPM_POST_PMU);
+		dapm_seq_check_event(card, w, SND_SOC_DAPM_POST_PMD);
 	}
 }
 
@@ -1330,8 +1488,8 @@ static void dapm_seq_run_coalesced(struct snd_soc_dapm_context *dapm,
  * Currently anything that requires more than a single write is not
  * handled.
  */
-static void dapm_seq_run(struct snd_soc_dapm_context *dapm,
-			 struct list_head *list, int event, bool power_up)
+static void dapm_seq_run(struct snd_soc_card *card,
+	struct list_head *list, int event, bool power_up)
 {
 	struct snd_soc_dapm_widget *w, *n;
 	LIST_HEAD(pending);
@@ -1354,7 +1512,7 @@ static void dapm_seq_run(struct snd_soc_dapm_context *dapm,
 		if (sort[w->id] != cur_sort || w->reg != cur_reg ||
 		    w->dapm != cur_dapm || w->subseq != cur_subseq) {
 			if (!list_empty(&pending))
-				dapm_seq_run_coalesced(cur_dapm, &pending);
+				dapm_seq_run_coalesced(card, &pending);
 
 			if (cur_dapm && cur_dapm->seq_notifier) {
 				for (i = 0; i < ARRAY_SIZE(dapm_up_seq); i++)
@@ -1414,7 +1572,7 @@ static void dapm_seq_run(struct snd_soc_dapm_context *dapm,
 	}
 
 	if (!list_empty(&pending))
-		dapm_seq_run_coalesced(cur_dapm, &pending);
+		dapm_seq_run_coalesced(card, &pending);
 
 	if (cur_dapm && cur_dapm->seq_notifier) {
 		for (i = 0; i < ARRAY_SIZE(dapm_up_seq); i++)
@@ -1424,37 +1582,48 @@ static void dapm_seq_run(struct snd_soc_dapm_context *dapm,
 	}
 }
 
-static void dapm_widget_update(struct snd_soc_dapm_context *dapm)
+static void dapm_widget_update(struct snd_soc_card *card)
 {
-	struct snd_soc_dapm_update *update = dapm->update;
-	struct snd_soc_dapm_widget *w;
+	struct snd_soc_dapm_update *update = card->update;
+	struct snd_soc_dapm_widget_list *wlist;
+	struct snd_soc_dapm_widget *w = NULL;
+	unsigned int wi;
 	int ret;
 
-	if (!update)
+	if (!update || !dapm_kcontrol_is_powered(update->kcontrol))
 		return;
 
-	w = update->widget;
+	wlist = dapm_kcontrol_get_wlist(update->kcontrol);
 
-	if (w->event &&
-	    (w->event_flags & SND_SOC_DAPM_PRE_REG)) {
-		ret = w->event(w, update->kcontrol, SND_SOC_DAPM_PRE_REG);
-		if (ret != 0)
-			dev_err(dapm->dev, "ASoC: %s DAPM pre-event failed: %d\n",
-			       w->name, ret);
+	for (wi = 0; wi < wlist->num_widgets; wi++) {
+		w = wlist->widgets[wi];
+
+		if (w->event && (w->event_flags & SND_SOC_DAPM_PRE_REG)) {
+			ret = w->event(w, update->kcontrol, SND_SOC_DAPM_PRE_REG);
+			if (ret != 0)
+				dev_err(w->dapm->dev, "ASoC: %s DAPM pre-event failed: %d\n",
+					   w->name, ret);
+		}
 	}
 
+	if (!w)
+		return;
+
 	ret = soc_widget_update_bits_locked(w, update->reg, update->mask,
 				  update->val);
 	if (ret < 0)
-		dev_err(dapm->dev, "ASoC: %s DAPM update failed: %d\n",
+		dev_err(w->dapm->dev, "ASoC: %s DAPM update failed: %d\n",
 			w->name, ret);
 
-	if (w->event &&
-	    (w->event_flags & SND_SOC_DAPM_POST_REG)) {
-		ret = w->event(w, update->kcontrol, SND_SOC_DAPM_POST_REG);
-		if (ret != 0)
-			dev_err(dapm->dev, "ASoC: %s DAPM post-event failed: %d\n",
-			       w->name, ret);
+	for (wi = 0; wi < wlist->num_widgets; wi++) {
+		w = wlist->widgets[wi];
+
+		if (w->event && (w->event_flags & SND_SOC_DAPM_POST_REG)) {
+			ret = w->event(w, update->kcontrol, SND_SOC_DAPM_POST_REG);
+			if (ret != 0)
+				dev_err(w->dapm->dev, "ASoC: %s DAPM post-event failed: %d\n",
+					   w->name, ret);
+		}
 	}
 }
 
@@ -1566,6 +1735,7 @@ static void dapm_widget_set_power(struct snd_soc_dapm_widget *w, bool power,
 	case snd_soc_dapm_supply:
 	case snd_soc_dapm_regulator_supply:
 	case snd_soc_dapm_clock_supply:
+	case snd_soc_dapm_kcontrol:
 		/* Supplies can't affect their outputs, only their inputs */
 		break;
 	default:
@@ -1582,8 +1752,6 @@ static void dapm_widget_set_power(struct snd_soc_dapm_widget *w, bool power,
 		dapm_seq_insert(w, up_list, true);
 	else
 		dapm_seq_insert(w, down_list, false);
-
-	w->power = power;
 }
 
 static void dapm_power_one_widget(struct snd_soc_dapm_widget *w,
@@ -1617,9 +1785,8 @@ static void dapm_power_one_widget(struct snd_soc_dapm_widget *w,
  *  o Input pin to Output pin (bypass, sidetone)
  *  o DAC to ADC (loopback).
  */
-static int dapm_power_widgets(struct snd_soc_dapm_context *dapm, int event)
+static int dapm_power_widgets(struct snd_soc_card *card, int event)
 {
-	struct snd_soc_card *card = dapm->card;
 	struct snd_soc_dapm_widget *w;
 	struct snd_soc_dapm_context *d;
 	LIST_HEAD(up_list);
@@ -1659,7 +1826,7 @@ static int dapm_power_widgets(struct snd_soc_dapm_context *dapm, int event)
 			break;
 		}
 
-		if (w->power) {
+		if (w->new_power) {
 			d = w->dapm;
 
 			/* Supplies and micbiases only bring the
@@ -1701,29 +1868,29 @@ static int dapm_power_widgets(struct snd_soc_dapm_context *dapm, int event)
 	trace_snd_soc_dapm_walk_done(card);
 
 	/* Run all the bias changes in parallel */
-	list_for_each_entry(d, &dapm->card->dapm_list, list)
+	list_for_each_entry(d, &card->dapm_list, list)
 		async_schedule_domain(dapm_pre_sequence_async, d,
 					&async_domain);
 	async_synchronize_full_domain(&async_domain);
 
 	list_for_each_entry(w, &down_list, power_list) {
-		dapm_seq_check_event(dapm, w, SND_SOC_DAPM_WILL_PMD);
+		dapm_seq_check_event(card, w, SND_SOC_DAPM_WILL_PMD);
 	}
 
 	list_for_each_entry(w, &up_list, power_list) {
-		dapm_seq_check_event(dapm, w, SND_SOC_DAPM_WILL_PMU);
+		dapm_seq_check_event(card, w, SND_SOC_DAPM_WILL_PMU);
 	}
 
 	/* Power down widgets first; try to avoid amplifying pops. */
-	dapm_seq_run(dapm, &down_list, event, false);
+	dapm_seq_run(card, &down_list, event, false);
 
-	dapm_widget_update(dapm);
+	dapm_widget_update(card);
 
 	/* Now power up. */
-	dapm_seq_run(dapm, &up_list, event, true);
+	dapm_seq_run(card, &up_list, event, true);
 
 	/* Run all the bias changes in parallel */
-	list_for_each_entry(d, &dapm->card->dapm_list, list)
+	list_for_each_entry(d, &card->dapm_list, list)
 		async_schedule_domain(dapm_post_sequence_async, d,
 					&async_domain);
 	async_synchronize_full_domain(&async_domain);
@@ -1734,7 +1901,7 @@ static int dapm_power_widgets(struct snd_soc_dapm_context *dapm, int event)
 			d->stream_event(d, event);
 	}
 
-	pop_dbg(dapm->dev, card->pop_time,
+	pop_dbg(card->dev, card->pop_time,
 		"DAPM sequencing finished, waiting %dms\n", card->pop_time);
 	pop_wait(card->pop_time);
 
@@ -1769,8 +1936,8 @@ static ssize_t dapm_widget_power_read_file(struct file *file,
 
 	if (w->reg >= 0)
 		ret += snprintf(buf + ret, PAGE_SIZE - ret,
-				" - R%d(0x%x) bit %d",
-				w->reg, w->reg, w->shift);
+				" - R%d(0x%x) mask 0x%x",
+				w->reg, w->reg, w->mask << w->shift);
 
 	ret += snprintf(buf + ret, PAGE_SIZE - ret, "\n");
 
@@ -1907,22 +2074,14 @@ static inline void dapm_debugfs_cleanup(struct snd_soc_dapm_context *dapm)
 #endif
 
 /* test and update the power status of a mux widget */
-static int soc_dapm_mux_update_power(struct snd_soc_dapm_widget *widget,
+static int soc_dapm_mux_update_power(struct snd_soc_card *card,
 				 struct snd_kcontrol *kcontrol, int mux, struct soc_enum *e)
 {
 	struct snd_soc_dapm_path *path;
 	int found = 0;
 
-	if (widget->id != snd_soc_dapm_mux &&
-	    widget->id != snd_soc_dapm_virt_mux &&
-	    widget->id != snd_soc_dapm_value_mux)
-		return -ENODEV;
-
 	/* find dapm widget path assoc with kcontrol */
-	list_for_each_entry(path, &widget->dapm->card->paths, list) {
-		if (path->kcontrol != kcontrol)
-			continue;
-
+	dapm_kcontrol_for_each_path(path, kcontrol) {
 		if (!path->name || !e->texts[mux])
 			continue;
 
@@ -1937,73 +2096,68 @@ static int soc_dapm_mux_update_power(struct snd_soc_dapm_widget *widget,
 						"mux disconnection");
 			path->connect = 0; /* old connection must be powered down */
 		}
+		dapm_mark_dirty(path->sink, "mux change");
 	}
 
-	if (found) {
-		dapm_mark_dirty(widget, "mux change");
-		dapm_power_widgets(widget->dapm, SND_SOC_DAPM_STREAM_NOP);
-	}
+	if (found)
+		dapm_power_widgets(card, SND_SOC_DAPM_STREAM_NOP);
 
 	return found;
 }
 
-int snd_soc_dapm_mux_update_power(struct snd_soc_dapm_widget *widget,
-		struct snd_kcontrol *kcontrol, int mux, struct soc_enum *e)
+int snd_soc_dapm_mux_update_power(struct snd_soc_dapm_context *dapm,
+	struct snd_kcontrol *kcontrol, int mux, struct soc_enum *e,
+	struct snd_soc_dapm_update *update)
 {
-	struct snd_soc_card *card = widget->dapm->card;
+	struct snd_soc_card *card = dapm->card;
 	int ret;
 
 	mutex_lock_nested(&card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME);
-	ret = soc_dapm_mux_update_power(widget, kcontrol, mux, e);
+	card->update = update;
+	ret = soc_dapm_mux_update_power(card, kcontrol, mux, e);
+	card->update = NULL;
 	mutex_unlock(&card->dapm_mutex);
 	if (ret > 0)
-		soc_dpcm_runtime_update(widget);
+		soc_dpcm_runtime_update(card);
 	return ret;
 }
 EXPORT_SYMBOL_GPL(snd_soc_dapm_mux_update_power);
 
 /* test and update the power status of a mixer or switch widget */
-static int soc_dapm_mixer_update_power(struct snd_soc_dapm_widget *widget,
+static int soc_dapm_mixer_update_power(struct snd_soc_card *card,
 				   struct snd_kcontrol *kcontrol, int connect)
 {
 	struct snd_soc_dapm_path *path;
 	int found = 0;
 
-	if (widget->id != snd_soc_dapm_mixer &&
-	    widget->id != snd_soc_dapm_mixer_named_ctl &&
-	    widget->id != snd_soc_dapm_switch)
-		return -ENODEV;
-
 	/* find dapm widget path assoc with kcontrol */
-	list_for_each_entry(path, &widget->dapm->card->paths, list) {
-		if (path->kcontrol != kcontrol)
-			continue;
-
-		/* found, now check type */
+	dapm_kcontrol_for_each_path(path, kcontrol) {
 		found = 1;
 		path->connect = connect;
 		dapm_mark_dirty(path->source, "mixer connection");
+		dapm_mark_dirty(path->sink, "mixer update");
 	}
 
-	if (found) {
-		dapm_mark_dirty(widget, "mixer update");
-		dapm_power_widgets(widget->dapm, SND_SOC_DAPM_STREAM_NOP);
-	}
+	if (found)
+		dapm_power_widgets(card, SND_SOC_DAPM_STREAM_NOP);
 
 	return found;
 }
 
-int snd_soc_dapm_mixer_update_power(struct snd_soc_dapm_widget *widget,
-				struct snd_kcontrol *kcontrol, int connect)
+int snd_soc_dapm_mixer_update_power(struct snd_soc_dapm_context *dapm,
+	struct snd_kcontrol *kcontrol, int connect,
+	struct snd_soc_dapm_update *update)
 {
-	struct snd_soc_card *card = widget->dapm->card;
+	struct snd_soc_card *card = dapm->card;
 	int ret;
 
 	mutex_lock_nested(&card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME);
-	ret = soc_dapm_mixer_update_power(widget, kcontrol, connect);
+	card->update = update;
+	ret = soc_dapm_mixer_update_power(card, kcontrol, connect);
+	card->update = NULL;
 	mutex_unlock(&card->dapm_mutex);
 	if (ret > 0)
-		soc_dpcm_runtime_update(widget);
+		soc_dpcm_runtime_update(card);
 	return ret;
 }
 EXPORT_SYMBOL_GPL(snd_soc_dapm_mixer_update_power);
@@ -2082,6 +2236,7 @@ static void dapm_free_path(struct snd_soc_dapm_path *path)
 {
 	list_del(&path->list_sink);
 	list_del(&path->list_source);
+	list_del(&path->list_kcontrol);
 	list_del(&path->list);
 	kfree(path);
 }
@@ -2176,70 +2331,20 @@ int snd_soc_dapm_sync(struct snd_soc_dapm_context *dapm)
 		return 0;
 
 	mutex_lock_nested(&dapm->card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME);
-	ret = dapm_power_widgets(dapm, SND_SOC_DAPM_STREAM_NOP);
+	ret = dapm_power_widgets(dapm->card, SND_SOC_DAPM_STREAM_NOP);
 	mutex_unlock(&dapm->card->dapm_mutex);
 	return ret;
 }
 EXPORT_SYMBOL_GPL(snd_soc_dapm_sync);
 
-static int snd_soc_dapm_add_route(struct snd_soc_dapm_context *dapm,
-				  const struct snd_soc_dapm_route *route)
+static int snd_soc_dapm_add_path(struct snd_soc_dapm_context *dapm,
+	struct snd_soc_dapm_widget *wsource, struct snd_soc_dapm_widget *wsink,
+	const char *control,
+	int (*connected)(struct snd_soc_dapm_widget *source,
+			 struct snd_soc_dapm_widget *sink))
 {
 	struct snd_soc_dapm_path *path;
-	struct snd_soc_dapm_widget *wsource = NULL, *wsink = NULL, *w;
-	struct snd_soc_dapm_widget *wtsource = NULL, *wtsink = NULL;
-	const char *sink;
-	const char *control = route->control;
-	const char *source;
-	char prefixed_sink[80];
-	char prefixed_source[80];
-	int ret = 0;
-
-	if (dapm->codec && dapm->codec->name_prefix) {
-		snprintf(prefixed_sink, sizeof(prefixed_sink), "%s %s",
-			 dapm->codec->name_prefix, route->sink);
-		sink = prefixed_sink;
-		snprintf(prefixed_source, sizeof(prefixed_source), "%s %s",
-			 dapm->codec->name_prefix, route->source);
-		source = prefixed_source;
-	} else {
-		sink = route->sink;
-		source = route->source;
-	}
-
-	/*
-	 * find src and dest widgets over all widgets but favor a widget from
-	 * current DAPM context
-	 */
-	list_for_each_entry(w, &dapm->card->widgets, list) {
-		if (!wsink && !(strcmp(w->name, sink))) {
-			wtsink = w;
-			if (w->dapm == dapm)
-				wsink = w;
-			continue;
-		}
-		if (!wsource && !(strcmp(w->name, source))) {
-			wtsource = w;
-			if (w->dapm == dapm)
-				wsource = w;
-		}
-	}
-	/* use widget from another DAPM context if not found from this */
-	if (!wsink)
-		wsink = wtsink;
-	if (!wsource)
-		wsource = wtsource;
-
-	if (wsource == NULL) {
-		dev_err(dapm->dev, "ASoC: no source widget found for %s\n",
-			route->source);
-		return -ENODEV;
-	}
-	if (wsink == NULL) {
-		dev_err(dapm->dev, "ASoC: no sink widget found for %s\n",
-			route->sink);
-		return -ENODEV;
-	}
+	int ret;
 
 	path = kzalloc(sizeof(struct snd_soc_dapm_path), GFP_KERNEL);
 	if (!path)
@@ -2247,8 +2352,9 @@ static int snd_soc_dapm_add_route(struct snd_soc_dapm_context *dapm,
 
 	path->source = wsource;
 	path->sink = wsink;
-	path->connected = route->connected;
+	path->connected = connected;
 	INIT_LIST_HEAD(&path->list);
+	INIT_LIST_HEAD(&path->list_kcontrol);
 	INIT_LIST_HEAD(&path->list_source);
 	INIT_LIST_HEAD(&path->list_sink);
 
@@ -2268,6 +2374,9 @@ static int snd_soc_dapm_add_route(struct snd_soc_dapm_context *dapm,
 			wsource->ext = 1;
 	}
 
+	dapm_mark_dirty(wsource, "Route added");
+	dapm_mark_dirty(wsink, "Route added");
+
 	/* connect static paths */
 	if (control == NULL) {
 		list_add(&path->list, &dapm->card->paths);
@@ -2298,6 +2407,7 @@ static int snd_soc_dapm_add_route(struct snd_soc_dapm_context *dapm,
 	case snd_soc_dapm_dai_in:
 	case snd_soc_dapm_dai_out:
 	case snd_soc_dapm_dai_link:
+	case snd_soc_dapm_kcontrol:
 		list_add(&path->list, &dapm->card->paths);
 		list_add(&path->list_sink, &wsink->sources);
 		list_add(&path->list_source, &wsource->sinks);
@@ -2329,15 +2439,78 @@ static int snd_soc_dapm_add_route(struct snd_soc_dapm_context *dapm,
 		return 0;
 	}
 
-	dapm_mark_dirty(wsource, "Route added");
-	dapm_mark_dirty(wsink, "Route added");
-
 	return 0;
+err:
+	kfree(path);
+	return ret;
+}
+
+static int snd_soc_dapm_add_route(struct snd_soc_dapm_context *dapm,
+				  const struct snd_soc_dapm_route *route)
+{
+	struct snd_soc_dapm_widget *wsource = NULL, *wsink = NULL, *w;
+	struct snd_soc_dapm_widget *wtsource = NULL, *wtsink = NULL;
+	const char *sink;
+	const char *source;
+	char prefixed_sink[80];
+	char prefixed_source[80];
+	int ret;
+
+	if (dapm->codec && dapm->codec->name_prefix) {
+		snprintf(prefixed_sink, sizeof(prefixed_sink), "%s %s",
+			 dapm->codec->name_prefix, route->sink);
+		sink = prefixed_sink;
+		snprintf(prefixed_source, sizeof(prefixed_source), "%s %s",
+			 dapm->codec->name_prefix, route->source);
+		source = prefixed_source;
+	} else {
+		sink = route->sink;
+		source = route->source;
+	}
+
+	/*
+	 * find src and dest widgets over all widgets but favor a widget from
+	 * current DAPM context
+	 */
+	list_for_each_entry(w, &dapm->card->widgets, list) {
+		if (!wsink && !(strcmp(w->name, sink))) {
+			wtsink = w;
+			if (w->dapm == dapm)
+				wsink = w;
+			continue;
+		}
+		if (!wsource && !(strcmp(w->name, source))) {
+			wtsource = w;
+			if (w->dapm == dapm)
+				wsource = w;
+		}
+	}
+	/* use widget from another DAPM context if not found from this */
+	if (!wsink)
+		wsink = wtsink;
+	if (!wsource)
+		wsource = wtsource;
 
+	if (wsource == NULL) {
+		dev_err(dapm->dev, "ASoC: no source widget found for %s\n",
+			route->source);
+		return -ENODEV;
+	}
+	if (wsink == NULL) {
+		dev_err(dapm->dev, "ASoC: no sink widget found for %s\n",
+			route->sink);
+		return -ENODEV;
+	}
+
+	ret = snd_soc_dapm_add_path(dapm, wsource, wsink, route->control,
+		route->connected);
+	if (ret)
+		goto err;
+
+	return 0;
 err:
 	dev_warn(dapm->dev, "ASoC: no dapm match for %s --> %s --> %s\n",
-		 source, control, sink);
-	kfree(path);
+		 source, route->control, sink);
 	return ret;
 }
 
@@ -2541,12 +2714,13 @@ EXPORT_SYMBOL_GPL(snd_soc_dapm_weak_routes);
  */
 int snd_soc_dapm_new_widgets(struct snd_soc_dapm_context *dapm)
 {
+	struct snd_soc_card *card = dapm->card;
 	struct snd_soc_dapm_widget *w;
 	unsigned int val;
 
-	mutex_lock_nested(&dapm->card->dapm_mutex, SND_SOC_DAPM_CLASS_INIT);
+	mutex_lock_nested(&card->dapm_mutex, SND_SOC_DAPM_CLASS_INIT);
 
-	list_for_each_entry(w, &dapm->card->widgets, list)
+	list_for_each_entry(w, &card->widgets, list)
 	{
 		if (w->new)
 			continue;
@@ -2556,7 +2730,7 @@ int snd_soc_dapm_new_widgets(struct snd_soc_dapm_context *dapm)
 						sizeof(struct snd_kcontrol *),
 						GFP_KERNEL);
 			if (!w->kcontrols) {
-				mutex_unlock(&dapm->card->dapm_mutex);
+				mutex_unlock(&card->dapm_mutex);
 				return -ENOMEM;
 			}
 		}
@@ -2582,12 +2756,9 @@ int snd_soc_dapm_new_widgets(struct snd_soc_dapm_context *dapm)
 
 		/* Read the initial power state from the device */
 		if (w->reg >= 0) {
-			val = soc_widget_read(w, w->reg);
-			val &= 1 << w->shift;
-			if (w->invert)
-				val = !val;
-
-			if (val)
+			val = soc_widget_read(w, w->reg) >> w->shift;
+			val &= w->mask;
+			if (val == w->on_val)
 				w->power = 1;
 		}
 
@@ -2597,8 +2768,8 @@ int snd_soc_dapm_new_widgets(struct snd_soc_dapm_context *dapm)
 		dapm_debugfs_add_widget(w);
 	}
 
-	dapm_power_widgets(dapm, SND_SOC_DAPM_STREAM_NOP);
-	mutex_unlock(&dapm->card->dapm_mutex);
+	dapm_power_widgets(card, SND_SOC_DAPM_STREAM_NOP);
+	mutex_unlock(&card->dapm_mutex);
 	return 0;
 }
 EXPORT_SYMBOL_GPL(snd_soc_dapm_new_widgets);
@@ -2615,8 +2786,8 @@ EXPORT_SYMBOL_GPL(snd_soc_dapm_new_widgets);
 int snd_soc_dapm_get_volsw(struct snd_kcontrol *kcontrol,
 	struct snd_ctl_elem_value *ucontrol)
 {
-	struct snd_soc_dapm_widget_list *wlist = snd_kcontrol_chip(kcontrol);
-	struct snd_soc_dapm_widget *widget = wlist->widgets[0];
+	struct snd_soc_codec *codec = snd_soc_dapm_kcontrol_codec(kcontrol);
+	struct snd_soc_card *card = codec->card;
 	struct soc_mixer_control *mc =
 		(struct soc_mixer_control *)kcontrol->private_value;
 	unsigned int reg = mc->reg;
@@ -2624,17 +2795,24 @@ int snd_soc_dapm_get_volsw(struct snd_kcontrol *kcontrol,
 	int max = mc->max;
 	unsigned int mask = (1 << fls(max)) - 1;
 	unsigned int invert = mc->invert;
+	unsigned int val;
 
 	if (snd_soc_volsw_is_stereo(mc))
-		dev_warn(widget->dapm->dev,
+		dev_warn(codec->dapm.dev,
 			 "ASoC: Control '%s' is stereo, which is not supported\n",
 			 kcontrol->id.name);
 
-	ucontrol->value.integer.value[0] =
-		(snd_soc_read(widget->codec, reg) >> shift) & mask;
+	mutex_lock_nested(&card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME);
+	if (dapm_kcontrol_is_powered(kcontrol))
+		val = (snd_soc_read(codec, reg) >> shift) & mask;
+	else
+		val = dapm_kcontrol_get_value(kcontrol);
+	mutex_unlock(&card->dapm_mutex);
+
 	if (invert)
-		ucontrol->value.integer.value[0] =
-			max - ucontrol->value.integer.value[0];
+		ucontrol->value.integer.value[0] = max - val;
+	else
+		ucontrol->value.integer.value[0] = val;
 
 	return 0;
 }
@@ -2652,9 +2830,7 @@ EXPORT_SYMBOL_GPL(snd_soc_dapm_get_volsw);
 int snd_soc_dapm_put_volsw(struct snd_kcontrol *kcontrol,
 	struct snd_ctl_elem_value *ucontrol)
 {
-	struct snd_soc_dapm_widget_list *wlist = snd_kcontrol_chip(kcontrol);
-	struct snd_soc_dapm_widget *widget = wlist->widgets[0];
-	struct snd_soc_codec *codec = widget->codec;
+	struct snd_soc_codec *codec = snd_soc_dapm_kcontrol_codec(kcontrol);
 	struct snd_soc_card *card = codec->card;
 	struct soc_mixer_control *mc =
 		(struct soc_mixer_control *)kcontrol->private_value;
@@ -2666,10 +2842,9 @@ int snd_soc_dapm_put_volsw(struct snd_kcontrol *kcontrol,
 	unsigned int val;
 	int connect, change;
 	struct snd_soc_dapm_update update;
-	int wi;
 
 	if (snd_soc_volsw_is_stereo(mc))
-		dev_warn(widget->dapm->dev,
+		dev_warn(codec->dapm.dev,
 			 "ASoC: Control '%s' is stereo, which is not supported\n",
 			 kcontrol->id.name);
 
@@ -2678,29 +2853,26 @@ int snd_soc_dapm_put_volsw(struct snd_kcontrol *kcontrol,
 
 	if (invert)
 		val = max - val;
-	mask = mask << shift;
-	val = val << shift;
 
 	mutex_lock_nested(&card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME);
 
-	change = snd_soc_test_bits(widget->codec, reg, mask, val);
-	if (change) {
-		for (wi = 0; wi < wlist->num_widgets; wi++) {
-			widget = wlist->widgets[wi];
+	dapm_kcontrol_set_value(kcontrol, val);
 
-			widget->value = val;
+	mask = mask << shift;
+	val = val << shift;
 
-			update.kcontrol = kcontrol;
-			update.widget = widget;
-			update.reg = reg;
-			update.mask = mask;
-			update.val = val;
-			widget->dapm->update = &update;
+	change = snd_soc_test_bits(codec, reg, mask, val);
+	if (change) {
+		update.kcontrol = kcontrol;
+		update.reg = reg;
+		update.mask = mask;
+		update.val = val;
 
-			soc_dapm_mixer_update_power(widget, kcontrol, connect);
+		card->update = &update;
 
-			widget->dapm->update = NULL;
-		}
+		soc_dapm_mixer_update_power(card, kcontrol, connect);
+
+		card->update = NULL;
 	}
 
 	mutex_unlock(&card->dapm_mutex);
@@ -2720,12 +2892,11 @@ EXPORT_SYMBOL_GPL(snd_soc_dapm_put_volsw);
 int snd_soc_dapm_get_enum_double(struct snd_kcontrol *kcontrol,
 	struct snd_ctl_elem_value *ucontrol)
 {
-	struct snd_soc_dapm_widget_list *wlist = snd_kcontrol_chip(kcontrol);
-	struct snd_soc_dapm_widget *widget = wlist->widgets[0];
+	struct snd_soc_codec *codec = snd_soc_dapm_kcontrol_codec(kcontrol);
 	struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
 	unsigned int val;
 
-	val = snd_soc_read(widget->codec, e->reg);
+	val = snd_soc_read(codec, e->reg);
 	ucontrol->value.enumerated.item[0] = (val >> e->shift_l) & e->mask;
 	if (e->shift_l != e->shift_r)
 		ucontrol->value.enumerated.item[1] =
@@ -2747,15 +2918,12 @@ EXPORT_SYMBOL_GPL(snd_soc_dapm_get_enum_double);
 int snd_soc_dapm_put_enum_double(struct snd_kcontrol *kcontrol,
 	struct snd_ctl_elem_value *ucontrol)
 {
-	struct snd_soc_dapm_widget_list *wlist = snd_kcontrol_chip(kcontrol);
-	struct snd_soc_dapm_widget *widget = wlist->widgets[0];
-	struct snd_soc_codec *codec = widget->codec;
+	struct snd_soc_codec *codec = snd_soc_dapm_kcontrol_codec(kcontrol);
 	struct snd_soc_card *card = codec->card;
 	struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
 	unsigned int val, mux, change;
 	unsigned int mask;
 	struct snd_soc_dapm_update update;
-	int wi;
 
 	if (ucontrol->value.enumerated.item[0] > e->max - 1)
 		return -EINVAL;
@@ -2771,24 +2939,17 @@ int snd_soc_dapm_put_enum_double(struct snd_kcontrol *kcontrol,
 
 	mutex_lock_nested(&card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME);
 
-	change = snd_soc_test_bits(widget->codec, e->reg, mask, val);
+	change = snd_soc_test_bits(codec, e->reg, mask, val);
 	if (change) {
-		for (wi = 0; wi < wlist->num_widgets; wi++) {
-			widget = wlist->widgets[wi];
-
-			widget->value = val;
+		update.kcontrol = kcontrol;
+		update.reg = e->reg;
+		update.mask = mask;
+		update.val = val;
+		card->update = &update;
 
-			update.kcontrol = kcontrol;
-			update.widget = widget;
-			update.reg = e->reg;
-			update.mask = mask;
-			update.val = val;
-			widget->dapm->update = &update;
+		soc_dapm_mux_update_power(card, kcontrol, mux, e);
 
-			soc_dapm_mux_update_power(widget, kcontrol, mux, e);
-
-			widget->dapm->update = NULL;
-		}
+		card->update = NULL;
 	}
 
 	mutex_unlock(&card->dapm_mutex);
@@ -2806,11 +2967,7 @@ EXPORT_SYMBOL_GPL(snd_soc_dapm_put_enum_double);
 int snd_soc_dapm_get_enum_virt(struct snd_kcontrol *kcontrol,
 			       struct snd_ctl_elem_value *ucontrol)
 {
-	struct snd_soc_dapm_widget_list *wlist = snd_kcontrol_chip(kcontrol);
-	struct snd_soc_dapm_widget *widget = wlist->widgets[0];
-
-	ucontrol->value.enumerated.item[0] = widget->value;
-
+	ucontrol->value.enumerated.item[0] = dapm_kcontrol_get_value(kcontrol);
 	return 0;
 }
 EXPORT_SYMBOL_GPL(snd_soc_dapm_get_enum_virt);
@@ -2825,30 +2982,22 @@ EXPORT_SYMBOL_GPL(snd_soc_dapm_get_enum_virt);
 int snd_soc_dapm_put_enum_virt(struct snd_kcontrol *kcontrol,
 			       struct snd_ctl_elem_value *ucontrol)
 {
-	struct snd_soc_dapm_widget_list *wlist = snd_kcontrol_chip(kcontrol);
-	struct snd_soc_dapm_widget *widget = wlist->widgets[0];
-	struct snd_soc_codec *codec = widget->codec;
+	struct snd_soc_codec *codec = snd_soc_dapm_kcontrol_codec(kcontrol);
 	struct snd_soc_card *card = codec->card;
+	unsigned int value;
 	struct soc_enum *e =
 		(struct soc_enum *)kcontrol->private_value;
 	int change;
-	int wi;
 
 	if (ucontrol->value.enumerated.item[0] >= e->max)
 		return -EINVAL;
 
 	mutex_lock_nested(&card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME);
 
-	change = widget->value != ucontrol->value.enumerated.item[0];
-	if (change) {
-		for (wi = 0; wi < wlist->num_widgets; wi++) {
-			widget = wlist->widgets[wi];
-
-			widget->value = ucontrol->value.enumerated.item[0];
-
-			soc_dapm_mux_update_power(widget, kcontrol, widget->value, e);
-		}
-	}
+	value = ucontrol->value.enumerated.item[0];
+	change = dapm_kcontrol_set_value(kcontrol, value);
+	if (change)
+		soc_dapm_mux_update_power(card, kcontrol, value, e);
 
 	mutex_unlock(&card->dapm_mutex);
 	return change;
@@ -2871,12 +3020,11 @@ EXPORT_SYMBOL_GPL(snd_soc_dapm_put_enum_virt);
 int snd_soc_dapm_get_value_enum_double(struct snd_kcontrol *kcontrol,
 	struct snd_ctl_elem_value *ucontrol)
 {
-	struct snd_soc_dapm_widget_list *wlist = snd_kcontrol_chip(kcontrol);
-	struct snd_soc_dapm_widget *widget = wlist->widgets[0];
+	struct snd_soc_codec *codec = snd_soc_dapm_kcontrol_codec(kcontrol);
 	struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
 	unsigned int reg_val, val, mux;
 
-	reg_val = snd_soc_read(widget->codec, e->reg);
+	reg_val = snd_soc_read(codec, e->reg);
 	val = (reg_val >> e->shift_l) & e->mask;
 	for (mux = 0; mux < e->max; mux++) {
 		if (val == e->values[mux])
@@ -2912,15 +3060,12 @@ EXPORT_SYMBOL_GPL(snd_soc_dapm_get_value_enum_double);
 int snd_soc_dapm_put_value_enum_double(struct snd_kcontrol *kcontrol,
 	struct snd_ctl_elem_value *ucontrol)
 {
-	struct snd_soc_dapm_widget_list *wlist = snd_kcontrol_chip(kcontrol);
-	struct snd_soc_dapm_widget *widget = wlist->widgets[0];
-	struct snd_soc_codec *codec = widget->codec;
+	struct snd_soc_codec *codec = snd_soc_dapm_kcontrol_codec(kcontrol);
 	struct snd_soc_card *card = codec->card;
 	struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
 	unsigned int val, mux, change;
 	unsigned int mask;
 	struct snd_soc_dapm_update update;
-	int wi;
 
 	if (ucontrol->value.enumerated.item[0] > e->max - 1)
 		return -EINVAL;
@@ -2936,24 +3081,17 @@ int snd_soc_dapm_put_value_enum_double(struct snd_kcontrol *kcontrol,
 
 	mutex_lock_nested(&card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME);
 
-	change = snd_soc_test_bits(widget->codec, e->reg, mask, val);
+	change = snd_soc_test_bits(codec, e->reg, mask, val);
 	if (change) {
-		for (wi = 0; wi < wlist->num_widgets; wi++) {
-			widget = wlist->widgets[wi];
-
-			widget->value = val;
+		update.kcontrol = kcontrol;
+		update.reg = e->reg;
+		update.mask = mask;
+		update.val = val;
+		card->update = &update;
 
-			update.kcontrol = kcontrol;
-			update.widget = widget;
-			update.reg = e->reg;
-			update.mask = mask;
-			update.val = val;
-			widget->dapm->update = &update;
+		soc_dapm_mux_update_power(card, kcontrol, mux, e);
 
-			soc_dapm_mux_update_power(widget, kcontrol, mux, e);
-
-			widget->dapm->update = NULL;
-		}
+		card->update = NULL;
 	}
 
 	mutex_unlock(&card->dapm_mutex);
@@ -3050,7 +3188,7 @@ snd_soc_dapm_new_control(struct snd_soc_dapm_context *dapm,
 			return NULL;
 		}
 
-		if (w->invert & SND_SOC_DAPM_REGULATOR_BYPASS) {
+		if (w->on_val & SND_SOC_DAPM_REGULATOR_BYPASS) {
 			ret = regulator_allow_bypass(w->regulator, true);
 			if (ret != 0)
 				dev_warn(w->dapm->dev,
@@ -3097,16 +3235,16 @@ snd_soc_dapm_new_control(struct snd_soc_dapm_context *dapm,
 	case snd_soc_dapm_value_mux:
 		w->power_check = dapm_generic_check_power;
 		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_adc:
+	case snd_soc_dapm_aif_out:
+	case snd_soc_dapm_dac:
+	case snd_soc_dapm_aif_in:
 	case snd_soc_dapm_pga:
 	case snd_soc_dapm_out_drv:
 	case snd_soc_dapm_input:
@@ -3122,6 +3260,7 @@ snd_soc_dapm_new_control(struct snd_soc_dapm_context *dapm,
 	case snd_soc_dapm_supply:
 	case snd_soc_dapm_regulator_supply:
 	case snd_soc_dapm_clock_supply:
+	case snd_soc_dapm_kcontrol:
 		w->power_check = dapm_supply_check_power;
 		break;
 	default:
@@ -3386,9 +3525,6 @@ int snd_soc_dapm_link_dai_widgets(struct snd_soc_card *card)
 {
 	struct snd_soc_dapm_widget *dai_w, *w;
 	struct snd_soc_dai *dai;
-	struct snd_soc_dapm_route r;
-
-	memset(&r, 0, sizeof(r));
 
 	/* For each DAI widget... */
 	list_for_each_entry(dai_w, &card->widgets, list) {
@@ -3415,29 +3551,27 @@ int snd_soc_dapm_link_dai_widgets(struct snd_soc_card *card)
 				break;
 			}
 
-			if (!w->sname)
+			if (!w->sname || !strstr(w->sname, dai_w->name))
 				continue;
 
 			if (dai->driver->playback.stream_name &&
 			    strstr(w->sname,
 				   dai->driver->playback.stream_name)) {
-				r.source = dai->playback_widget->name;
-				r.sink = w->name;
 				dev_dbg(dai->dev, "%s -> %s\n",
-					 r.source, r.sink);
+					 dai->playback_widget->name, w->name);
 
-				snd_soc_dapm_add_route(w->dapm, &r);
+				snd_soc_dapm_add_path(w->dapm,
+					dai->playback_widget, w, NULL, NULL);
 			}
 
 			if (dai->driver->capture.stream_name &&
 			    strstr(w->sname,
 				   dai->driver->capture.stream_name)) {
-				r.source = w->name;
-				r.sink = dai->capture_widget->name;
 				dev_dbg(dai->dev, "%s -> %s\n",
-					r.source, r.sink);
+					w->name, dai->capture_widget->name);
 
-				snd_soc_dapm_add_route(w->dapm, &r);
+				snd_soc_dapm_add_path(w->dapm, w,
+					dai->capture_widget, NULL, NULL);
 			}
 		}
 	}
@@ -3499,7 +3633,7 @@ static void soc_dapm_stream_event(struct snd_soc_pcm_runtime *rtd, int stream,
 		}
 	}
 
-	dapm_power_widgets(&rtd->card->dapm, event);
+	dapm_power_widgets(rtd->card, event);
 }
 
 /**
@@ -3768,7 +3902,7 @@ static void soc_dapm_shutdown_codec(struct snd_soc_dapm_context *dapm)
 		if (dapm->bias_level == SND_SOC_BIAS_ON)
 			snd_soc_dapm_set_bias_level(dapm,
 						    SND_SOC_BIAS_PREPARE);
-		dapm_seq_run(dapm, &down_list, 0, false);
+		dapm_seq_run(card, &down_list, 0, false);
 		if (dapm->bias_level == SND_SOC_BIAS_PREPARE)
 			snd_soc_dapm_set_bias_level(dapm,
 						    SND_SOC_BIAS_STANDBY);
diff --git a/sound/soc/soc-pcm.c b/sound/soc/soc-pcm.c
index f4f68cb3cb0..fb70fbe2686 100644
--- a/sound/soc/soc-pcm.c
+++ b/sound/soc/soc-pcm.c
@@ -1833,18 +1833,10 @@ static int dpcm_run_old_update(struct snd_soc_pcm_runtime *fe, int stream)
 /* Called by DAPM mixer/mux changes to update audio routing between PCMs and
  * any DAI links.
  */
-int soc_dpcm_runtime_update(struct snd_soc_dapm_widget *widget)
+int soc_dpcm_runtime_update(struct snd_soc_card *card)
 {
-	struct snd_soc_card *card;
 	int i, old, new, paths;
 
-	if (widget->codec)
-		card = widget->codec->card;
-	else if (widget->platform)
-		card = widget->platform->card;
-	else
-		return -EINVAL;
-
 	mutex_lock_nested(&card->mutex, SND_SOC_CARD_CLASS_RUNTIME);
 	for (i = 0; i < card->num_rtd; i++) {
 		struct snd_soc_dapm_widget_list *list;