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.c60
1 files changed, 42 insertions, 18 deletions
diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c
index d67c637557a7..ffb6af574c7f 100644
--- a/sound/soc/soc-dapm.c
+++ b/sound/soc/soc-dapm.c
@@ -1719,7 +1719,12 @@ static int snd_soc_dapm_set_pin(struct snd_soc_dapm_context *dapm,
*/
int snd_soc_dapm_sync(struct snd_soc_dapm_context *dapm)
{
- return dapm_power_widgets(dapm, SND_SOC_DAPM_STREAM_NOP);
+ int ret;
+
+ mutex_lock_nested(&dapm->card->dapm_mutex, SND_SOC_DAPM_CLASS_PCM);
+ ret = dapm_power_widgets(dapm, SND_SOC_DAPM_STREAM_NOP);
+ mutex_unlock(&dapm->card->dapm_mutex);
+ return ret;
}
EXPORT_SYMBOL_GPL(snd_soc_dapm_sync);
@@ -1882,15 +1887,18 @@ int snd_soc_dapm_add_routes(struct snd_soc_dapm_context *dapm,
{
int i, ret;
+ mutex_lock_nested(&dapm->card->dapm_mutex, SND_SOC_DAPM_CLASS_INIT);
for (i = 0; i < num; i++) {
ret = snd_soc_dapm_add_route(dapm, route);
if (ret < 0) {
dev_err(dapm->dev, "Failed to add route %s->%s\n",
route->source, route->sink);
+ mutex_unlock(&dapm->card->dapm_mutex);
return ret;
}
route++;
}
+ mutex_unlock(&dapm->card->dapm_mutex);
return 0;
}
@@ -1963,12 +1971,14 @@ int snd_soc_dapm_weak_routes(struct snd_soc_dapm_context *dapm,
int i, err;
int ret = 0;
+ mutex_lock_nested(&dapm->card->dapm_mutex, SND_SOC_DAPM_CLASS_INIT);
for (i = 0; i < num; i++) {
err = snd_soc_dapm_weak_route(dapm, route);
if (err)
ret = err;
route++;
}
+ mutex_unlock(&dapm->card->dapm_mutex);
return ret;
}
@@ -1987,6 +1997,8 @@ int snd_soc_dapm_new_widgets(struct snd_soc_dapm_context *dapm)
struct snd_soc_dapm_widget *w;
unsigned int val;
+ mutex_lock_nested(&dapm->card->dapm_mutex, SND_SOC_DAPM_CLASS_INIT);
+
list_for_each_entry(w, &dapm->card->widgets, list)
{
if (w->new)
@@ -1996,8 +2008,10 @@ int snd_soc_dapm_new_widgets(struct snd_soc_dapm_context *dapm)
w->kcontrols = kzalloc(w->num_kcontrols *
sizeof(struct snd_kcontrol *),
GFP_KERNEL);
- if (!w->kcontrols)
+ if (!w->kcontrols) {
+ mutex_unlock(&dapm->card->dapm_mutex);
return -ENOMEM;
+ }
}
switch(w->id) {
@@ -2060,6 +2074,7 @@ int snd_soc_dapm_new_widgets(struct snd_soc_dapm_context *dapm)
}
dapm_power_widgets(dapm, SND_SOC_DAPM_STREAM_NOP);
+ mutex_unlock(&dapm->card->dapm_mutex);
return 0;
}
EXPORT_SYMBOL_GPL(snd_soc_dapm_new_widgets);
@@ -2119,6 +2134,7 @@ int snd_soc_dapm_put_volsw(struct snd_kcontrol *kcontrol,
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_card *card = codec->card;
struct soc_mixer_control *mc =
(struct soc_mixer_control *)kcontrol->private_value;
unsigned int reg = mc->reg;
@@ -2145,7 +2161,7 @@ int snd_soc_dapm_put_volsw(struct snd_kcontrol *kcontrol,
/* old connection must be powered down */
connect = invert ? 1 : 0;
- mutex_lock(&codec->mutex);
+ mutex_lock_nested(&card->dapm_mutex, SND_SOC_DAPM_CLASS_PCM);
change = snd_soc_test_bits(widget->codec, reg, mask, val);
if (change) {
@@ -2167,7 +2183,7 @@ int snd_soc_dapm_put_volsw(struct snd_kcontrol *kcontrol,
}
}
- mutex_unlock(&codec->mutex);
+ mutex_unlock(&card->dapm_mutex);
return 0;
}
EXPORT_SYMBOL_GPL(snd_soc_dapm_put_volsw);
@@ -2216,6 +2232,7 @@ int snd_soc_dapm_put_enum_double(struct snd_kcontrol *kcontrol,
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_card *card = codec->card;
struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
unsigned int val, mux, change;
unsigned int mask, bitmask;
@@ -2236,7 +2253,7 @@ int snd_soc_dapm_put_enum_double(struct snd_kcontrol *kcontrol,
mask |= (bitmask - 1) << e->shift_r;
}
- mutex_lock(&codec->mutex);
+ mutex_lock_nested(&card->dapm_mutex, SND_SOC_DAPM_CLASS_PCM);
change = snd_soc_test_bits(widget->codec, e->reg, mask, val);
if (change) {
@@ -2258,7 +2275,7 @@ int snd_soc_dapm_put_enum_double(struct snd_kcontrol *kcontrol,
}
}
- mutex_unlock(&codec->mutex);
+ mutex_unlock(&card->dapm_mutex);
return change;
}
EXPORT_SYMBOL_GPL(snd_soc_dapm_put_enum_double);
@@ -2295,6 +2312,7 @@ int snd_soc_dapm_put_enum_virt(struct snd_kcontrol *kcontrol,
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_card *card = codec->card;
struct soc_enum *e =
(struct soc_enum *)kcontrol->private_value;
int change;
@@ -2304,7 +2322,7 @@ int snd_soc_dapm_put_enum_virt(struct snd_kcontrol *kcontrol,
if (ucontrol->value.enumerated.item[0] >= e->max)
return -EINVAL;
- mutex_lock(&codec->mutex);
+ mutex_lock_nested(&card->dapm_mutex, SND_SOC_DAPM_CLASS_PCM);
change = widget->value != ucontrol->value.enumerated.item[0];
if (change) {
@@ -2318,7 +2336,7 @@ int snd_soc_dapm_put_enum_virt(struct snd_kcontrol *kcontrol,
}
}
- mutex_unlock(&codec->mutex);
+ mutex_unlock(&card->dapm_mutex);
return ret;
}
EXPORT_SYMBOL_GPL(snd_soc_dapm_put_enum_virt);
@@ -2383,6 +2401,7 @@ int snd_soc_dapm_put_value_enum_double(struct snd_kcontrol *kcontrol,
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_card *card = codec->card;
struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
unsigned int val, mux, change;
unsigned int mask;
@@ -2401,7 +2420,7 @@ int snd_soc_dapm_put_value_enum_double(struct snd_kcontrol *kcontrol,
mask |= e->mask << e->shift_r;
}
- mutex_lock(&codec->mutex);
+ mutex_lock_nested(&card->dapm_mutex, SND_SOC_DAPM_CLASS_PCM);
change = snd_soc_test_bits(widget->codec, e->reg, mask, val);
if (change) {
@@ -2423,7 +2442,7 @@ int snd_soc_dapm_put_value_enum_double(struct snd_kcontrol *kcontrol,
}
}
- mutex_unlock(&codec->mutex);
+ mutex_unlock(&card->dapm_mutex);
return change;
}
EXPORT_SYMBOL_GPL(snd_soc_dapm_put_value_enum_double);
@@ -2458,14 +2477,15 @@ int snd_soc_dapm_get_pin_switch(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
+ struct snd_soc_card *card = codec->card;
const char *pin = (const char *)kcontrol->private_value;
- mutex_lock(&codec->mutex);
+ mutex_lock_nested(&card->dapm_mutex, SND_SOC_DAPM_CLASS_PCM);
ucontrol->value.integer.value[0] =
snd_soc_dapm_get_pin_status(&codec->dapm, pin);
- mutex_unlock(&codec->mutex);
+ mutex_unlock(&card->dapm_mutex);
return 0;
}
@@ -2481,19 +2501,19 @@ int snd_soc_dapm_put_pin_switch(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
+ struct snd_soc_card *card = codec->card;
const char *pin = (const char *)kcontrol->private_value;
- mutex_lock(&codec->mutex);
+ mutex_lock_nested(&card->dapm_mutex, SND_SOC_DAPM_CLASS_PCM);
if (ucontrol->value.integer.value[0])
snd_soc_dapm_enable_pin(&codec->dapm, pin);
else
snd_soc_dapm_disable_pin(&codec->dapm, pin);
- snd_soc_dapm_sync(&codec->dapm);
-
- mutex_unlock(&codec->mutex);
+ mutex_unlock(&card->dapm_mutex);
+ snd_soc_dapm_sync(&codec->dapm);
return 0;
}
EXPORT_SYMBOL_GPL(snd_soc_dapm_put_pin_switch);
@@ -2561,16 +2581,19 @@ int snd_soc_dapm_new_controls(struct snd_soc_dapm_context *dapm,
{
int i, ret;
+ mutex_lock_nested(&dapm->card->dapm_mutex, SND_SOC_DAPM_CLASS_INIT);
for (i = 0; i < num; i++) {
ret = snd_soc_dapm_new_control(dapm, widget);
if (ret < 0) {
dev_err(dapm->dev,
"ASoC: Failed to create DAPM control %s: %d\n",
widget->name, ret);
+ mutex_unlock(&dapm->card->dapm_mutex);
return ret;
}
widget++;
}
+ mutex_unlock(&dapm->card->dapm_mutex);
return 0;
}
EXPORT_SYMBOL_GPL(snd_soc_dapm_new_controls);
@@ -2621,13 +2644,14 @@ int snd_soc_dapm_stream_event(struct snd_soc_pcm_runtime *rtd,
const char *stream, int event)
{
struct snd_soc_codec *codec = rtd->codec;
+ struct snd_soc_card *card = rtd->card;
if (stream == NULL)
return 0;
- mutex_lock(&codec->mutex);
+ mutex_lock_nested(&card->dapm_mutex, SND_SOC_DAPM_CLASS_PCM);
soc_dapm_stream_event(&codec->dapm, stream, event);
- mutex_unlock(&codec->mutex);
+ mutex_unlock(&card->dapm_mutex);
return 0;
}
generated by cgit v1.2.3 (git 2.0.4) at 2024-04-20 02:13:45 +0000