return -1;
}
-static int soc_widget_update_bits(struct snd_soc_dapm_widget *w,
+static inline void soc_widget_lock(struct snd_soc_dapm_widget *w)
+{
+ if (w->codec && !w->codec->using_regmap)
+ mutex_lock(&w->codec->mutex);
+ else if (w->platform)
+ mutex_lock(&w->platform->mutex);
+}
+
+static inline void soc_widget_unlock(struct snd_soc_dapm_widget *w)
+{
+ if (w->codec && !w->codec->using_regmap)
+ mutex_unlock(&w->codec->mutex);
+ else if (w->platform)
+ mutex_unlock(&w->platform->mutex);
+}
+
+static int soc_widget_update_bits_locked(struct snd_soc_dapm_widget *w,
unsigned short reg, unsigned int mask, unsigned int value)
{
bool change;
if (ret != 0)
return ret;
} else {
+ soc_widget_lock(w);
ret = soc_widget_read(w, reg);
- if (ret < 0)
+ if (ret < 0) {
+ soc_widget_unlock(w);
return ret;
+ }
old = ret;
new = (old & ~mask) | (value & mask);
change = old != new;
if (change) {
ret = soc_widget_write(w, reg, new);
- if (ret < 0)
+ if (ret < 0) {
+ soc_widget_unlock(w);
return ret;
+ }
}
+ soc_widget_unlock(w);
}
return change;
else
val = w->off_val;
- soc_widget_update_bits(w, -(w->reg + 1),
+ soc_widget_update_bits_locked(w, -(w->reg + 1),
w->mask << w->shift, val << w->shift);
return 0;
struct snd_kcontrol *kcontrol, int event)
{
if (SND_SOC_DAPM_EVENT_ON(event))
- return regulator_enable(w->priv);
+ return regulator_enable(w->regulator);
else
- return regulator_disable_deferred(w->priv, w->shift);
+ return regulator_disable_deferred(w->regulator, w->shift);
}
EXPORT_SYMBOL_GPL(dapm_regulator_event);
"pop test : Applying 0x%x/0x%x to %x in %dms\n",
value, mask, reg, card->pop_time);
pop_wait(card->pop_time);
- soc_widget_update_bits(w, reg, mask, value);
+ soc_widget_update_bits_locked(w, reg, mask, value);
}
list_for_each_entry(w, pending, power_list) {
w->name, ret);
}
- ret = snd_soc_update_bits(w->codec, update->reg, update->mask,
+ ret = soc_widget_update_bits_locked(w, update->reg, update->mask,
update->val);
if (ret < 0)
pr_err("%s DAPM update failed: %d\n", w->name, ret);
trace_snd_soc_dapm_start(card);
list_for_each_entry(d, &card->dapm_list, list) {
- if (d->n_widgets || d->codec == NULL) {
- if (d->idle_bias_off)
- d->target_bias_level = SND_SOC_BIAS_OFF;
- else
- d->target_bias_level = SND_SOC_BIAS_STANDBY;
- }
+ if (d->idle_bias_off)
+ d->target_bias_level = SND_SOC_BIAS_OFF;
+ else
+ d->target_bias_level = SND_SOC_BIAS_STANDBY;
}
dapm_reset(card);
}
- /* If there are no DAPM widgets then try to figure out power from the
- * event type.
- */
- if (!dapm->n_widgets) {
- switch (event) {
- case SND_SOC_DAPM_STREAM_START:
- case SND_SOC_DAPM_STREAM_RESUME:
- dapm->target_bias_level = SND_SOC_BIAS_ON;
- break;
- case SND_SOC_DAPM_STREAM_STOP:
- if (dapm->codec && dapm->codec->active)
- dapm->target_bias_level = SND_SOC_BIAS_ON;
- else
- dapm->target_bias_level = SND_SOC_BIAS_STANDBY;
- break;
- case SND_SOC_DAPM_STREAM_SUSPEND:
- dapm->target_bias_level = SND_SOC_BIAS_STANDBY;
- break;
- case SND_SOC_DAPM_STREAM_NOP:
- dapm->target_bias_level = dapm->bias_level;
- break;
- default:
- break;
- }
- }
-
/* Force all contexts in the card to the same bias state if
* they're not ground referenced.
*/
#endif
/* test and update the power status of a mux widget */
-int snd_soc_dapm_mux_update_power(struct snd_soc_dapm_widget *widget,
+static int soc_dapm_mux_update_power(struct snd_soc_dapm_widget *widget,
struct snd_kcontrol *kcontrol, int mux, struct soc_enum *e)
{
struct snd_soc_dapm_path *path;
return 0;
}
+
+int snd_soc_dapm_mux_update_power(struct snd_soc_dapm_widget *widget,
+ struct snd_kcontrol *kcontrol, int mux, struct soc_enum *e)
+{
+ struct snd_soc_card *card = widget->dapm->card;
+ int ret;
+
+ mutex_lock_nested(&card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME);
+ ret = soc_dapm_mux_update_power(widget, kcontrol, mux, e);
+ mutex_unlock(&card->dapm_mutex);
+ return ret;
+}
EXPORT_SYMBOL_GPL(snd_soc_dapm_mux_update_power);
/* test and update the power status of a mixer or switch widget */
-int snd_soc_dapm_mixer_update_power(struct snd_soc_dapm_widget *widget,
+static int soc_dapm_mixer_update_power(struct snd_soc_dapm_widget *widget,
struct snd_kcontrol *kcontrol, int connect)
{
struct snd_soc_dapm_path *path;
return 0;
}
+
+int snd_soc_dapm_mixer_update_power(struct snd_soc_dapm_widget *widget,
+ struct snd_kcontrol *kcontrol, int connect)
+{
+ struct snd_soc_card *card = widget->dapm->card;
+ int ret;
+
+ mutex_lock_nested(&card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME);
+ ret = soc_dapm_mixer_update_power(widget, kcontrol, connect);
+ mutex_unlock(&card->dapm_mutex);
+ return ret;
+}
EXPORT_SYMBOL_GPL(snd_soc_dapm_mixer_update_power);
/* show dapm widget status in sys fs */
*/
int snd_soc_dapm_sync(struct snd_soc_dapm_context *dapm)
{
+ int ret;
+
/*
* Suppress early reports (eg, jacks syncing their state) to avoid
* silly DAPM runs during card startup.
if (!dapm->card || !dapm->card->instantiated)
return 0;
- return dapm_power_widgets(dapm, SND_SOC_DAPM_STREAM_NOP);
+ mutex_lock_nested(&dapm->card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME);
+ 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);
{
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) {
}
route++;
}
+ mutex_unlock(&dapm->card->dapm_mutex);
return 0;
}
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;
}
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)
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) {
}
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);
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;
/* old connection must be powered down */
connect = invert ? 1 : 0;
- mutex_lock(&codec->mutex);
+ mutex_lock_nested(&card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME);
change = snd_soc_test_bits(widget->codec, reg, mask, val);
if (change) {
update.val = val;
widget->dapm->update = &update;
- snd_soc_dapm_mixer_update_power(widget, kcontrol, connect);
+ soc_dapm_mixer_update_power(widget, kcontrol, connect);
widget->dapm->update = NULL;
}
}
- mutex_unlock(&codec->mutex);
+ mutex_unlock(&card->dapm_mutex);
return 0;
}
EXPORT_SYMBOL_GPL(snd_soc_dapm_put_volsw);
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;
mask |= (bitmask - 1) << e->shift_r;
}
- mutex_lock(&codec->mutex);
+ mutex_lock_nested(&card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME);
change = snd_soc_test_bits(widget->codec, e->reg, mask, val);
if (change) {
update.val = val;
widget->dapm->update = &update;
- snd_soc_dapm_mux_update_power(widget, kcontrol, mux, e);
+ soc_dapm_mux_update_power(widget, kcontrol, mux, e);
widget->dapm->update = NULL;
}
}
- mutex_unlock(&codec->mutex);
+ mutex_unlock(&card->dapm_mutex);
return change;
}
EXPORT_SYMBOL_GPL(snd_soc_dapm_put_enum_double);
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;
if (ucontrol->value.enumerated.item[0] >= e->max)
return -EINVAL;
- mutex_lock(&codec->mutex);
+ 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];
- snd_soc_dapm_mux_update_power(widget, kcontrol, widget->value, e);
+ soc_dapm_mux_update_power(widget, kcontrol, widget->value, e);
}
}
- mutex_unlock(&codec->mutex);
+ mutex_unlock(&card->dapm_mutex);
return ret;
}
EXPORT_SYMBOL_GPL(snd_soc_dapm_put_enum_virt);
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;
mask |= e->mask << e->shift_r;
}
- mutex_lock(&codec->mutex);
+ mutex_lock_nested(&card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME);
change = snd_soc_test_bits(widget->codec, e->reg, mask, val);
if (change) {
update.val = val;
widget->dapm->update = &update;
- snd_soc_dapm_mux_update_power(widget, kcontrol, mux, e);
+ soc_dapm_mux_update_power(widget, kcontrol, mux, e);
widget->dapm->update = NULL;
}
}
- mutex_unlock(&codec->mutex);
+ mutex_unlock(&card->dapm_mutex);
return change;
}
EXPORT_SYMBOL_GPL(snd_soc_dapm_put_value_enum_double);
struct snd_soc_card *card = snd_kcontrol_chip(kcontrol);
const char *pin = (const char *)kcontrol->private_value;
- mutex_lock(&card->mutex);
+ mutex_lock_nested(&card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME);
ucontrol->value.integer.value[0] =
snd_soc_dapm_get_pin_status(&card->dapm, pin);
- mutex_unlock(&card->mutex);
+ mutex_unlock(&card->dapm_mutex);
return 0;
}
struct snd_soc_card *card = snd_kcontrol_chip(kcontrol);
const char *pin = (const char *)kcontrol->private_value;
- mutex_lock(&card->mutex);
+ mutex_lock_nested(&card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME);
if (ucontrol->value.integer.value[0])
snd_soc_dapm_enable_pin(&card->dapm, pin);
else
snd_soc_dapm_disable_pin(&card->dapm, pin);
- snd_soc_dapm_sync(&card->dapm);
-
- mutex_unlock(&card->mutex);
+ mutex_unlock(&card->dapm_mutex);
+ snd_soc_dapm_sync(&card->dapm);
return 0;
}
EXPORT_SYMBOL_GPL(snd_soc_dapm_put_pin_switch);
switch (w->id) {
case snd_soc_dapm_regulator_supply:
- w->priv = devm_regulator_get(dapm->dev, w->name);
- if (IS_ERR(w->priv)) {
- ret = PTR_ERR(w->priv);
+ w->regulator = devm_regulator_get(dapm->dev, w->name);
+ if (IS_ERR(w->regulator)) {
+ ret = PTR_ERR(w->regulator);
dev_err(dapm->dev, "Failed to request %s: %d\n",
w->name, ret);
return NULL;
struct snd_soc_dapm_widget *w;
int i;
+ mutex_lock_nested(&dapm->card->dapm_mutex, SND_SOC_DAPM_CLASS_INIT);
for (i = 0; i < num; i++) {
w = snd_soc_dapm_new_control(dapm, widget);
if (!w) {
}
widget++;
}
+ mutex_unlock(&dapm->card->dapm_mutex);
return 0;
}
EXPORT_SYMBOL_GPL(snd_soc_dapm_new_controls);
return 0;
}
-static void soc_dapm_stream_event(struct snd_soc_dapm_context *dapm,
- int stream, struct snd_soc_dai *dai,
- int event)
+static void soc_dapm_stream_event(struct snd_soc_pcm_runtime *rtd, int stream,
+ int event)
{
- struct snd_soc_dapm_widget *w;
- if (stream == SNDRV_PCM_STREAM_PLAYBACK)
- w = dai->playback_widget;
- else
- w = dai->capture_widget;
+ struct snd_soc_dapm_widget *w_cpu, *w_codec;
+ struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
+ struct snd_soc_dai *codec_dai = rtd->codec_dai;
- if (!w)
- return;
+ if (stream == SNDRV_PCM_STREAM_PLAYBACK) {
+ w_cpu = cpu_dai->playback_widget;
+ w_codec = codec_dai->playback_widget;
+ } else {
+ w_cpu = cpu_dai->capture_widget;
+ w_codec = codec_dai->capture_widget;
+ }
- dapm_mark_dirty(w, "stream event");
+ if (w_cpu) {
- switch (event) {
- case SND_SOC_DAPM_STREAM_START:
- w->active = 1;
- break;
- case SND_SOC_DAPM_STREAM_STOP:
- w->active = 0;
- break;
- case SND_SOC_DAPM_STREAM_SUSPEND:
- case SND_SOC_DAPM_STREAM_RESUME:
- case SND_SOC_DAPM_STREAM_PAUSE_PUSH:
- case SND_SOC_DAPM_STREAM_PAUSE_RELEASE:
- break;
+ dapm_mark_dirty(w_cpu, "stream event");
+
+ switch (event) {
+ case SND_SOC_DAPM_STREAM_START:
+ w_cpu->active = 1;
+ break;
+ case SND_SOC_DAPM_STREAM_STOP:
+ w_cpu->active = 0;
+ break;
+ case SND_SOC_DAPM_STREAM_SUSPEND:
+ case SND_SOC_DAPM_STREAM_RESUME:
+ case SND_SOC_DAPM_STREAM_PAUSE_PUSH:
+ case SND_SOC_DAPM_STREAM_PAUSE_RELEASE:
+ break;
+ }
}
- dapm_power_widgets(dapm, event);
+ if (w_codec) {
+
+ dapm_mark_dirty(w_codec, "stream event");
+
+ switch (event) {
+ case SND_SOC_DAPM_STREAM_START:
+ w_codec->active = 1;
+ break;
+ case SND_SOC_DAPM_STREAM_STOP:
+ w_codec->active = 0;
+ break;
+ case SND_SOC_DAPM_STREAM_SUSPEND:
+ case SND_SOC_DAPM_STREAM_RESUME:
+ case SND_SOC_DAPM_STREAM_PAUSE_PUSH:
+ case SND_SOC_DAPM_STREAM_PAUSE_RELEASE:
+ break;
+ }
+ }
+
+ dapm_power_widgets(&rtd->card->dapm, event);
}
/**
*
* Returns 0 for success else error.
*/
-int snd_soc_dapm_stream_event(struct snd_soc_pcm_runtime *rtd, int stream,
- struct snd_soc_dai *dai, int event)
+void snd_soc_dapm_stream_event(struct snd_soc_pcm_runtime *rtd, int stream,
+ int event)
{
- struct snd_soc_codec *codec = rtd->codec;
+ struct snd_soc_card *card = rtd->card;
- mutex_lock(&codec->mutex);
- soc_dapm_stream_event(&codec->dapm, stream, dai, event);
- mutex_unlock(&codec->mutex);
- return 0;
+ mutex_lock_nested(&card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME);
+ soc_dapm_stream_event(rtd, stream, event);
+ mutex_unlock(&card->dapm_mutex);
}
/**
projects / deliverable / linux.git / blobdiff