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-rw-r--r--include/sound/soc-dapm.h1
-rw-r--r--sound/soc/soc-dapm.c53
2 files changed, 30 insertions, 24 deletions
diff --git a/include/sound/soc-dapm.h b/include/sound/soc-dapm.h
index ebfae8f..d7d26cc 100644
--- a/include/sound/soc-dapm.h
+++ b/include/sound/soc-dapm.h
@@ -523,7 +523,6 @@ struct snd_soc_dapm_widget {
/* dapm control */
int reg; /* negative reg = no direct dapm */
unsigned char shift; /* bits to shift */
- unsigned int value; /* widget current value */
unsigned int mask; /* non-shifted mask */
unsigned int on_val; /* on state value */
unsigned int off_val; /* off state value */
diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c
index da35b10..bad6f6d 100644
--- a/sound/soc/soc-dapm.c
+++ b/sound/soc/soc-dapm.c
@@ -175,6 +175,7 @@ static inline struct snd_soc_dapm_widget *dapm_cnew_widget(
}
struct dapm_kcontrol_data {
+ unsigned int value;
struct snd_soc_dapm_widget_list wlist;
};
@@ -233,6 +234,26 @@ static int dapm_kcontrol_add_widget(struct snd_kcontrol *kcontrol,
return 0;
}
+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;
+
+ data->value = value;
+
+ return true;
+}
+
/**
* snd_soc_dapm_kcontrol_codec() - Returns the codec associated to a kcontrol
* @kcontrol: The kcontrol
@@ -2786,9 +2807,7 @@ 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 = dapm_kcontrol_get_wlist(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;
@@ -2811,8 +2830,6 @@ int snd_soc_dapm_put_enum_double(struct snd_kcontrol *kcontrol,
change = snd_soc_test_bits(codec, e->reg, mask, val);
if (change) {
- widget->value = val;
-
update.kcontrol = kcontrol;
update.reg = e->reg;
update.mask = mask;
@@ -2839,11 +2856,7 @@ 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 = dapm_kcontrol_get_wlist(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);
@@ -2858,10 +2871,9 @@ 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 = dapm_kcontrol_get_wlist(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;
@@ -2871,11 +2883,10 @@ int snd_soc_dapm_put_enum_virt(struct snd_kcontrol *kcontrol,
mutex_lock_nested(&card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME);
- change = widget->value != ucontrol->value.enumerated.item[0];
- if (change) {
- widget->value = ucontrol->value.enumerated.item[0];
- soc_dapm_mux_update_power(card, 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;
@@ -2938,9 +2949,7 @@ 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 = dapm_kcontrol_get_wlist(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;
@@ -2963,8 +2972,6 @@ int snd_soc_dapm_put_value_enum_double(struct snd_kcontrol *kcontrol,
change = snd_soc_test_bits(codec, e->reg, mask, val);
if (change) {
- widget->value = val;
-
update.kcontrol = kcontrol;
update.reg = e->reg;
update.mask = mask;