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-rw-r--r--include/sound/soc.h10
-rw-r--r--sound/soc/soc-dapm.c78
2 files changed, 69 insertions, 19 deletions
diff --git a/include/sound/soc.h b/include/sound/soc.h
index b257a09a98d1..2f2e59e1513e 100644
--- a/include/sound/soc.h
+++ b/include/sound/soc.h
@@ -192,6 +192,10 @@
.mask = xmask, .items = xitems, .texts = xtexts, .values = xvalues}
#define SOC_VALUE_ENUM_SINGLE(xreg, xshift, xmask, xitems, xtexts, xvalues) \
SOC_VALUE_ENUM_DOUBLE(xreg, xshift, xshift, xmask, xitems, xtexts, xvalues)
+#define SOC_VALUE_ENUM_SINGLE_AUTODISABLE(xreg, xshift, xmask, xitems, xtexts, xvalues) \
+{ .reg = xreg, .shift_l = xshift, .shift_r = xshift, \
+ .mask = xmask, .items = xitems, .texts = xtexts, \
+ .values = xvalues, .autodisable = 1}
#define SOC_ENUM_SINGLE_VIRT(xitems, xtexts) \
SOC_ENUM_SINGLE(SND_SOC_NOPM, 0, xitems, xtexts)
#define SOC_ENUM(xname, xenum) \
@@ -312,6 +316,11 @@
ARRAY_SIZE(xtexts), xtexts, xvalues)
#define SOC_VALUE_ENUM_SINGLE_DECL(name, xreg, xshift, xmask, xtexts, xvalues) \
SOC_VALUE_ENUM_DOUBLE_DECL(name, xreg, xshift, xshift, xmask, xtexts, xvalues)
+
+#define SOC_VALUE_ENUM_SINGLE_AUTODISABLE_DECL(name, xreg, xshift, xmask, xtexts, xvalues) \
+ const struct soc_enum name = SOC_VALUE_ENUM_SINGLE_AUTODISABLE(xreg, \
+ xshift, xmask, ARRAY_SIZE(xtexts), xtexts, xvalues)
+
#define SOC_ENUM_SINGLE_VIRT_DECL(name, xtexts) \
const struct soc_enum name = SOC_ENUM_SINGLE_VIRT(ARRAY_SIZE(xtexts), xtexts)
@@ -1188,6 +1197,7 @@ struct soc_enum {
unsigned int mask;
const char * const *texts;
const unsigned int *values;
+ unsigned int autodisable:1;
};
/**
diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c
index a0d97f89eb75..79e6cf4b7de1 100644
--- a/sound/soc/soc-dapm.c
+++ b/sound/soc/soc-dapm.c
@@ -308,6 +308,7 @@ static int dapm_kcontrol_data_alloc(struct snd_soc_dapm_widget *widget,
{
struct dapm_kcontrol_data *data;
struct soc_mixer_control *mc;
+ struct soc_enum *e;
const char *name;
int ret;
@@ -355,6 +356,41 @@ static int dapm_kcontrol_data_alloc(struct snd_soc_dapm_widget *widget,
}
}
break;
+ case snd_soc_dapm_mux:
+ e = (struct soc_enum *)kcontrol->private_value;
+
+ if (e->autodisable) {
+ struct snd_soc_dapm_widget template;
+
+ name = kasprintf(GFP_KERNEL, "%s %s", kcontrol->id.name,
+ "Autodisable");
+ if (!name) {
+ ret = -ENOMEM;
+ goto err_data;
+ }
+
+ memset(&template, 0, sizeof(template));
+ template.reg = e->reg;
+ template.mask = e->mask << e->shift_l;
+ template.shift = e->shift_l;
+ template.off_val = snd_soc_enum_item_to_val(e, 0);
+ template.on_val = template.off_val;
+ template.id = snd_soc_dapm_kcontrol;
+ template.name = name;
+
+ data->value = template.on_val;
+
+ data->widget = snd_soc_dapm_new_control(widget->dapm,
+ &template);
+ if (!data->widget) {
+ ret = -ENOMEM;
+ goto err_name;
+ }
+
+ snd_soc_dapm_add_path(widget->dapm, data->widget,
+ widget, NULL, NULL);
+ }
+ break;
default:
break;
}
@@ -418,11 +454,6 @@ static void dapm_kcontrol_add_path(const struct snd_kcontrol *kcontrol,
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)
@@ -820,6 +851,7 @@ static int dapm_new_mixer(struct snd_soc_dapm_widget *w)
{
int i, ret;
struct snd_soc_dapm_path *path;
+ struct dapm_kcontrol_data *data;
/* add kcontrol */
for (i = 0; i < w->num_kcontrols; i++) {
@@ -829,16 +861,20 @@ static int dapm_new_mixer(struct snd_soc_dapm_widget *w)
if (path->name != (char *)w->kcontrol_news[i].name)
continue;
- if (w->kcontrols[i]) {
- dapm_kcontrol_add_path(w->kcontrols[i], path);
- continue;
+ if (!w->kcontrols[i]) {
+ ret = dapm_create_or_share_mixmux_kcontrol(w, i);
+ if (ret < 0)
+ return ret;
}
- ret = dapm_create_or_share_mixmux_kcontrol(w, i);
- if (ret < 0)
- return ret;
-
dapm_kcontrol_add_path(w->kcontrols[i], path);
+
+ data = snd_kcontrol_chip(w->kcontrols[i]);
+ if (data->widget)
+ snd_soc_dapm_add_path(data->widget->dapm,
+ data->widget,
+ path->source,
+ NULL, NULL);
}
}
@@ -2945,16 +2981,19 @@ int snd_soc_dapm_get_enum_double(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_dapm_context *dapm = snd_soc_dapm_kcontrol_dapm(kcontrol);
+ struct snd_soc_card *card = dapm->card;
struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
unsigned int reg_val, val;
- if (e->reg != SND_SOC_NOPM) {
+ mutex_lock_nested(&card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME);
+ if (e->reg != SND_SOC_NOPM && dapm_kcontrol_is_powered(kcontrol)) {
int ret = soc_dapm_read(dapm, e->reg, &reg_val);
if (ret)
return ret;
} else {
reg_val = dapm_kcontrol_get_value(kcontrol);
}
+ mutex_unlock(&card->dapm_mutex);
val = (reg_val >> e->shift_l) & e->mask;
ucontrol->value.enumerated.item[0] = snd_soc_enum_val_to_item(e, val);
@@ -2984,7 +3023,7 @@ int snd_soc_dapm_put_enum_double(struct snd_kcontrol *kcontrol,
struct snd_soc_card *card = dapm->card;
struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
unsigned int *item = ucontrol->value.enumerated.item;
- unsigned int val, change;
+ unsigned int val, change, reg_change = 0;
unsigned int mask;
struct snd_soc_dapm_update update;
int ret = 0;
@@ -3003,19 +3042,20 @@ int snd_soc_dapm_put_enum_double(struct snd_kcontrol *kcontrol,
mutex_lock_nested(&card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME);
+ change = dapm_kcontrol_set_value(kcontrol, val);
+
if (e->reg != SND_SOC_NOPM)
- change = soc_dapm_test_bits(dapm, e->reg, mask, val);
- else
- change = dapm_kcontrol_set_value(kcontrol, val);
+ reg_change = soc_dapm_test_bits(dapm, e->reg, mask, val);
- if (change) {
- if (e->reg != SND_SOC_NOPM) {
+ if (change || reg_change) {
+ if (reg_change) {
update.kcontrol = kcontrol;
update.reg = e->reg;
update.mask = mask;
update.val = val;
card->update = &update;
}
+ change |= reg_change;
ret = soc_dapm_mux_update_power(card, kcontrol, item[0], e);
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-11 18:20:46 +0000