mm, hugetlb: remove useless check about mapping type
[platform/adaptation/renesas_rcar/renesas_kernel.git] / sound / soc / soc-dapm.c
index 4375c9f..c17c14c 100644 (file)
 
 #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,
@@ -174,35 +185,177 @@ static inline struct snd_soc_dapm_widget *dapm_cnew_widget(
        return kmemdup(_widget, sizeof(*_widget), GFP_KERNEL);
 }
 
-/* get snd_card from DAPM context */
-static inline struct snd_card *dapm_get_snd_card(
-       struct snd_soc_dapm_context *dapm)
+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)
 {
-       if (dapm->codec)
-               return dapm->codec->card->snd_card;
-       else if (dapm->platform)
-               return dapm->platform->card->snd_card;
-       else
-               BUG();
+       struct dapm_kcontrol_data *data;
+       struct soc_mixer_control *mc;
 
-       /* unreachable */
-       return NULL;
+       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->value = template.on_val;
+
+                       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;
 }
 
-/* get soc_card from DAPM context */
-static inline struct snd_soc_card *dapm_get_soc_card(
-               struct snd_soc_dapm_context *dapm)
+static void dapm_kcontrol_free(struct snd_kcontrol *kctl)
 {
-       if (dapm->codec)
-               return dapm->codec->card;
-       else if (dapm->platform)
-               return dapm->platform->card;
+       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
-               BUG();
+               n = 1;
 
-       /* unreachable */
-       return NULL;
+       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)
 {
@@ -211,6 +364,7 @@ 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;
@@ -428,6 +582,7 @@ 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 */
@@ -507,17 +662,12 @@ 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;
@@ -525,9 +675,6 @@ 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;
@@ -546,25 +693,6 @@ 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;
@@ -587,7 +715,6 @@ 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;
                        }
                }
@@ -602,10 +729,8 @@ 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) {
@@ -616,23 +741,33 @@ 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;
 }
@@ -652,13 +787,15 @@ 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);
                }
        }
 
@@ -684,15 +821,12 @@ 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;
 }
@@ -813,6 +947,7 @@ 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;
@@ -908,6 +1043,7 @@ 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;
@@ -1062,7 +1198,7 @@ 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,
@@ -1072,7 +1208,7 @@ 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,
@@ -1244,10 +1380,9 @@ 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;
 
@@ -1281,55 +1416,50 @@ 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;
+                       value |= w->off_val << w->shift;
 
-               mask |= cur_mask;
-               if (power)
-                       value |= cur_mask;
-
-               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) {
@@ -1339,7 +1469,7 @@ 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);
@@ -1347,8 +1477,8 @@ 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);
        }
 }
 
@@ -1360,8 +1490,8 @@ 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);
@@ -1384,7 +1514,7 @@ 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++)
@@ -1444,7 +1574,7 @@ 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++)
@@ -1454,37 +1584,48 @@ 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);
+               }
        }
 }
 
@@ -1596,6 +1737,7 @@ 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:
@@ -1612,8 +1754,6 @@ 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,
@@ -1647,9 +1787,8 @@ 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);
@@ -1689,7 +1828,7 @@ 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
@@ -1731,29 +1870,29 @@ 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);
@@ -1764,7 +1903,7 @@ 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);
 
@@ -1799,8 +1938,8 @@ 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");
 
@@ -1937,22 +2076,14 @@ 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;
 
@@ -1967,73 +2098,68 @@ 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);
@@ -2112,6 +2238,7 @@ 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);
 }
@@ -2206,70 +2333,20 @@ 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)
@@ -2277,8 +2354,9 @@ 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);
 
@@ -2298,6 +2376,9 @@ 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);
@@ -2328,6 +2409,7 @@ 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);
@@ -2359,15 +2441,78 @@ 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;
 }
 
@@ -2569,14 +2714,14 @@ EXPORT_SYMBOL_GPL(snd_soc_dapm_weak_routes);
  *
  * Returns 0 for success.
  */
-int snd_soc_dapm_new_widgets(struct snd_soc_dapm_context *dapm)
+int snd_soc_dapm_new_widgets(struct snd_soc_card *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;
@@ -2586,7 +2731,7 @@ 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;
                        }
                }
@@ -2612,12 +2757,9 @@ 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;
                }
 
@@ -2627,8 +2769,8 @@ 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);
@@ -2645,8 +2787,8 @@ 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;
@@ -2654,17 +2796,24 @@ 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;
 }
@@ -2682,9 +2831,7 @@ 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;
@@ -2696,10 +2843,9 @@ 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);
 
@@ -2708,29 +2854,26 @@ 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);
@@ -2750,12 +2893,11 @@ 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] =
@@ -2777,15 +2919,12 @@ 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;
@@ -2801,24 +2940,17 @@ 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);
@@ -2836,11 +2968,7 @@ 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);
@@ -2855,30 +2983,22 @@ 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;
@@ -2901,12 +3021,11 @@ 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])
@@ -2942,15 +3061,12 @@ 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;
@@ -2966,24 +3082,17 @@ 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);
@@ -3080,7 +3189,7 @@ 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,
@@ -3127,16 +3236,16 @@ 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:
@@ -3152,6 +3261,7 @@ 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:
@@ -3416,9 +3526,6 @@ 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) {
@@ -3445,29 +3552,27 @@ 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);
                        }
                }
        }
@@ -3529,7 +3634,7 @@ 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);
 }
 
 /**
@@ -3798,7 +3903,7 @@ 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);