summaryrefslogtreecommitdiff
path: root/sound/soc/soc-dapm.c
diff options
context:
space:
mode:
Diffstat (limited to 'sound/soc/soc-dapm.c')
-rw-r--r--sound/soc/soc-dapm.c40
1 files changed, 28 insertions, 12 deletions
diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c
index bad6f6db74c9..b779d36d5b3a 100644
--- a/sound/soc/soc-dapm.c
+++ b/sound/soc/soc-dapm.c
@@ -176,6 +176,7 @@ static inline struct snd_soc_dapm_widget *dapm_cnew_widget(
struct dapm_kcontrol_data {
unsigned int value;
+ struct list_head paths;
struct snd_soc_dapm_widget_list wlist;
};
@@ -194,6 +195,7 @@ static int dapm_kcontrol_data_alloc(struct snd_soc_dapm_widget *widget,
data->wlist.widgets[0] = widget;
data->wlist.num_widgets = 1;
+ INIT_LIST_HEAD(&data->paths);
kcontrol->private_data = data;
@@ -234,6 +236,26 @@ static int dapm_kcontrol_add_widget(struct snd_kcontrol *kcontrol,
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);
+}
+
+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);
@@ -671,7 +693,7 @@ static int dapm_create_or_share_mixmux_kcontrol(struct snd_soc_dapm_widget *w,
}
w->kcontrols[kci] = kcontrol;
- path->kcontrol = kcontrol;
+ dapm_kcontrol_add_path(kcontrol, path);
return 0;
}
@@ -691,7 +713,7 @@ 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;
}
@@ -730,7 +752,7 @@ static int dapm_new_mux(struct snd_soc_dapm_widget *w)
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;
}
@@ -1990,10 +2012,7 @@ static int soc_dapm_mux_update_power(struct snd_soc_card *card,
int found = 0;
/* find dapm widget path assoc with kcontrol */
- list_for_each_entry(path, &card->paths, list) {
- if (path->kcontrol != kcontrol)
- continue;
-
+ dapm_kcontrol_for_each_path(path, kcontrol) {
if (!path->name || !e->texts[mux])
continue;
@@ -2043,11 +2062,7 @@ static int soc_dapm_mixer_update_power(struct snd_soc_card *card,
int found = 0;
/* find dapm widget path assoc with kcontrol */
- list_for_each_entry(path, &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");
@@ -2152,6 +2167,7 @@ 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);
}