diff options
Diffstat (limited to 'sound/soc')
| -rw-r--r-- | sound/soc/soc-dapm.c | 53 |
1 files changed, 30 insertions, 23 deletions
diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c index da35b10ce6d1..bad6f6db74c9 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; |
