[snd_soc_dapm_supply] = 1,
[snd_soc_dapm_regulator_supply] = 1,
[snd_soc_dapm_micbias] = 2,
+ [snd_soc_dapm_dai_link] = 2,
[snd_soc_dapm_dai] = 3,
[snd_soc_dapm_aif_in] = 3,
[snd_soc_dapm_aif_out] = 3,
[snd_soc_dapm_aif_in] = 10,
[snd_soc_dapm_aif_out] = 10,
[snd_soc_dapm_dai] = 10,
- [snd_soc_dapm_regulator_supply] = 11,
- [snd_soc_dapm_supply] = 11,
- [snd_soc_dapm_post] = 12,
+ [snd_soc_dapm_dai_link] = 11,
+ [snd_soc_dapm_regulator_supply] = 12,
+ [snd_soc_dapm_supply] = 12,
+ [snd_soc_dapm_post] = 13,
};
static void pop_wait(u32 pop_time)
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;
case snd_soc_dapm_mic:
case snd_soc_dapm_spk:
case snd_soc_dapm_line:
+ case snd_soc_dapm_dai_link:
p->connect = 1;
break;
/* does affect routing - dynamically connected */
}
}
+/* add widget to list if it's not already in the list */
+static int dapm_list_add_widget(struct snd_soc_dapm_widget_list **list,
+ struct snd_soc_dapm_widget *w)
+{
+ struct snd_soc_dapm_widget_list *wlist;
+ int wlistsize, wlistentries, i;
+
+ if (*list == NULL)
+ return -EINVAL;
+
+ wlist = *list;
+
+ /* is this widget already in the list */
+ for (i = 0; i < wlist->num_widgets; i++) {
+ if (wlist->widgets[i] == w)
+ return 0;
+ }
+
+ /* allocate some new space */
+ wlistentries = wlist->num_widgets + 1;
+ wlistsize = sizeof(struct snd_soc_dapm_widget_list) +
+ wlistentries * sizeof(struct snd_soc_dapm_widget *);
+ *list = krealloc(wlist, wlistsize, GFP_KERNEL);
+ if (*list == NULL) {
+ dev_err(w->dapm->dev, "can't allocate widget list for %s\n",
+ w->name);
+ return -ENOMEM;
+ }
+ wlist = *list;
+
+ /* insert the widget */
+ dev_dbg(w->dapm->dev, "added %s in widget list pos %d\n",
+ w->name, wlist->num_widgets);
+
+ wlist->widgets[wlist->num_widgets] = w;
+ wlist->num_widgets++;
+ return 1;
+}
+
/*
* Recursively check for a completed path to an active or physically connected
* output widget. Returns number of complete paths.
*/
-static int is_connected_output_ep(struct snd_soc_dapm_widget *widget)
+static int is_connected_output_ep(struct snd_soc_dapm_widget *widget,
+ struct snd_soc_dapm_widget_list **list)
{
struct snd_soc_dapm_path *path;
int con = 0;
if (path->walked)
continue;
+ trace_snd_soc_dapm_output_path(widget, path);
+
if (path->sink && path->connect) {
path->walked = 1;
- con += is_connected_output_ep(path->sink);
+
+ /* do we need to add this widget to the list ? */
+ if (list) {
+ int err;
+ err = dapm_list_add_widget(list, path->sink);
+ if (err < 0) {
+ dev_err(widget->dapm->dev, "could not add widget %s\n",
+ widget->name);
+ return con;
+ }
+ }
+
+ con += is_connected_output_ep(path->sink, list);
}
}
* Recursively check for a completed path to an active or physically connected
* input widget. Returns number of complete paths.
*/
-static int is_connected_input_ep(struct snd_soc_dapm_widget *widget)
+static int is_connected_input_ep(struct snd_soc_dapm_widget *widget,
+ struct snd_soc_dapm_widget_list **list)
{
struct snd_soc_dapm_path *path;
int con = 0;
if (path->walked)
continue;
+ trace_snd_soc_dapm_input_path(widget, path);
+
if (path->source && path->connect) {
path->walked = 1;
- con += is_connected_input_ep(path->source);
+
+ /* do we need to add this widget to the list ? */
+ if (list) {
+ int err;
+ err = dapm_list_add_widget(list, path->sink);
+ if (err < 0) {
+ dev_err(widget->dapm->dev, "could not add widget %s\n",
+ widget->name);
+ return con;
+ }
+ }
+
+ con += is_connected_input_ep(path->source, list);
}
}
return con;
}
+/**
+ * snd_soc_dapm_get_connected_widgets - query audio path and it's widgets.
+ * @dai: the soc DAI.
+ * @stream: stream direction.
+ * @list: list of active widgets for this stream.
+ *
+ * Queries DAPM graph as to whether an valid audio stream path exists for
+ * the initial stream specified by name. This takes into account
+ * current mixer and mux kcontrol settings. Creates list of valid widgets.
+ *
+ * Returns the number of valid paths or negative error.
+ */
+int snd_soc_dapm_dai_get_connected_widgets(struct snd_soc_dai *dai, int stream,
+ struct snd_soc_dapm_widget_list **list)
+{
+ struct snd_soc_card *card = dai->card;
+ int paths;
+
+ mutex_lock_nested(&card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME);
+ dapm_reset(card);
+
+ if (stream == SNDRV_PCM_STREAM_PLAYBACK)
+ paths = is_connected_output_ep(dai->playback_widget, list);
+ else
+ paths = is_connected_input_ep(dai->playback_widget, list);
+
+ trace_snd_soc_dapm_connected(paths, stream);
+ dapm_clear_walk(&card->dapm);
+ mutex_unlock(&card->dapm_mutex);
+
+ return paths;
+}
+
/*
* Handler for generic register modifier widget.
*/
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);
DAPM_UPDATE_STAT(w, power_checks);
- in = is_connected_input_ep(w);
+ in = is_connected_input_ep(w, NULL);
dapm_clear_walk(w->dapm);
- out = is_connected_output_ep(w);
+ out = is_connected_output_ep(w, NULL);
dapm_clear_walk(w->dapm);
return out != 0 && in != 0;
}
{
DAPM_UPDATE_STAT(w, power_checks);
- return w->active;
+ if (w->active)
+ return w->active;
+
+ return dapm_generic_check_power(w);
}
/* Check to see if an ADC has power */
DAPM_UPDATE_STAT(w, power_checks);
if (w->active) {
- in = is_connected_input_ep(w);
+ in = is_connected_input_ep(w, NULL);
dapm_clear_walk(w->dapm);
return in != 0;
} else {
DAPM_UPDATE_STAT(w, power_checks);
if (w->active) {
- out = is_connected_output_ep(w);
+ out = is_connected_output_ep(w, NULL);
dapm_clear_walk(w->dapm);
return out != 0;
} else {
"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.
*/
if (!buf)
return -ENOMEM;
- in = is_connected_input_ep(w);
+ in = is_connected_input_ep(w, NULL);
dapm_clear_walk(w->dapm);
- out = is_connected_output_ep(w);
+ out = is_connected_output_ep(w, NULL);
dapm_clear_walk(w->dapm);
ret = snprintf(buf, PAGE_SIZE, "%s: %s%s in %d out %d",
#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;
dapm_power_widgets(widget->dapm, SND_SOC_DAPM_STREAM_NOP);
}
- return 0;
+ return found;
+}
+
+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);
+ if (ret > 0)
+ soc_dpcm_runtime_update(widget);
+ 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;
dapm_power_widgets(widget->dapm, SND_SOC_DAPM_STREAM_NOP);
}
- return 0;
+ return found;
+}
+
+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);
+ if (ret > 0)
+ soc_dpcm_runtime_update(widget);
+ return ret;
}
EXPORT_SYMBOL_GPL(snd_soc_dapm_mixer_update_power);
*/
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);
case snd_soc_dapm_aif_in:
case snd_soc_dapm_aif_out:
case snd_soc_dapm_dai:
+ case snd_soc_dapm_dai_link:
list_add(&path->list, &dapm->card->paths);
list_add(&path->list_sink, &wsink->sources);
list_add(&path->list_source, &wsource->sinks);
int snd_soc_dapm_add_routes(struct snd_soc_dapm_context *dapm,
const struct snd_soc_dapm_route *route, int num)
{
- int i, ret;
+ int i, ret = 0;
+ 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);
- return ret;
+ break;
}
route++;
}
+ mutex_unlock(&dapm->card->dapm_mutex);
- return 0;
+ return ret;
}
EXPORT_SYMBOL_GPL(snd_soc_dapm_add_routes);
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;
case snd_soc_dapm_hp:
case snd_soc_dapm_mic:
case snd_soc_dapm_line:
+ case snd_soc_dapm_dai_link:
w->power_check = dapm_generic_check_power;
break;
case snd_soc_dapm_supply:
{
struct snd_soc_dapm_widget *w;
int i;
+ int ret = 0;
+ 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) {
dev_err(dapm->dev,
"ASoC: Failed to create DAPM control %s\n",
widget->name);
- return -ENOMEM;
+ ret = -ENOMEM;
+ break;
}
widget++;
}
- return 0;
+ mutex_unlock(&dapm->card->dapm_mutex);
+ return ret;
}
EXPORT_SYMBOL_GPL(snd_soc_dapm_new_controls);
+static int snd_soc_dai_link_event(struct snd_soc_dapm_widget *w,
+ struct snd_kcontrol *kcontrol, int event)
+{
+ struct snd_soc_dapm_path *source_p, *sink_p;
+ struct snd_soc_dai *source, *sink;
+ const struct snd_soc_pcm_stream *config = w->params;
+ struct snd_pcm_substream substream;
+ struct snd_pcm_hw_params *params = NULL;
+ u64 fmt;
+ int ret;
+
+ BUG_ON(!config);
+ BUG_ON(list_empty(&w->sources) || list_empty(&w->sinks));
+
+ /* We only support a single source and sink, pick the first */
+ source_p = list_first_entry(&w->sources, struct snd_soc_dapm_path,
+ list_sink);
+ sink_p = list_first_entry(&w->sinks, struct snd_soc_dapm_path,
+ list_source);
+
+ BUG_ON(!source_p || !sink_p);
+ BUG_ON(!sink_p->source || !source_p->sink);
+ BUG_ON(!source_p->source || !sink_p->sink);
+
+ source = source_p->source->priv;
+ sink = sink_p->sink->priv;
+
+ /* Be a little careful as we don't want to overflow the mask array */
+ if (config->formats) {
+ fmt = ffs(config->formats) - 1;
+ } else {
+ dev_warn(w->dapm->dev, "Invalid format %llx specified\n",
+ config->formats);
+ fmt = 0;
+ }
+
+ /* Currently very limited parameter selection */
+ params = kzalloc(sizeof(*params), GFP_KERNEL);
+ if (!params) {
+ ret = -ENOMEM;
+ goto out;
+ }
+ snd_mask_set(hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT), fmt);
+
+ hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE)->min =
+ config->rate_min;
+ hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE)->max =
+ config->rate_max;
+
+ hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS)->min
+ = config->channels_min;
+ hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS)->max
+ = config->channels_max;
+
+ memset(&substream, 0, sizeof(substream));
+
+ switch (event) {
+ case SND_SOC_DAPM_PRE_PMU:
+ if (source->driver->ops && source->driver->ops->hw_params) {
+ substream.stream = SNDRV_PCM_STREAM_CAPTURE;
+ ret = source->driver->ops->hw_params(&substream,
+ params, source);
+ if (ret != 0) {
+ dev_err(source->dev,
+ "hw_params() failed: %d\n", ret);
+ goto out;
+ }
+ }
+
+ if (sink->driver->ops && sink->driver->ops->hw_params) {
+ substream.stream = SNDRV_PCM_STREAM_PLAYBACK;
+ ret = sink->driver->ops->hw_params(&substream, params,
+ sink);
+ if (ret != 0) {
+ dev_err(sink->dev,
+ "hw_params() failed: %d\n", ret);
+ goto out;
+ }
+ }
+ break;
+
+ case SND_SOC_DAPM_POST_PMU:
+ ret = snd_soc_dai_digital_mute(sink, 0);
+ if (ret != 0 && ret != -ENOTSUPP)
+ dev_warn(sink->dev, "Failed to unmute: %d\n", ret);
+ ret = 0;
+ break;
+
+ case SND_SOC_DAPM_PRE_PMD:
+ ret = snd_soc_dai_digital_mute(sink, 1);
+ if (ret != 0 && ret != -ENOTSUPP)
+ dev_warn(sink->dev, "Failed to mute: %d\n", ret);
+ ret = 0;
+ break;
+
+ default:
+ BUG();
+ return -EINVAL;
+ }
+
+out:
+ kfree(params);
+ return ret;
+}
+
+int snd_soc_dapm_new_pcm(struct snd_soc_card *card,
+ const struct snd_soc_pcm_stream *params,
+ struct snd_soc_dapm_widget *source,
+ struct snd_soc_dapm_widget *sink)
+{
+ struct snd_soc_dapm_route routes[2];
+ struct snd_soc_dapm_widget template;
+ struct snd_soc_dapm_widget *w;
+ size_t len;
+ char *link_name;
+
+ len = strlen(source->name) + strlen(sink->name) + 2;
+ link_name = devm_kzalloc(card->dev, len, GFP_KERNEL);
+ if (!link_name)
+ return -ENOMEM;
+ snprintf(link_name, len, "%s-%s", source->name, sink->name);
+
+ memset(&template, 0, sizeof(template));
+ template.reg = SND_SOC_NOPM;
+ template.id = snd_soc_dapm_dai_link;
+ template.name = link_name;
+ template.event = snd_soc_dai_link_event;
+ template.event_flags = SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
+ SND_SOC_DAPM_PRE_PMD;
+
+ dev_dbg(card->dev, "adding %s widget\n", link_name);
+
+ w = snd_soc_dapm_new_control(&card->dapm, &template);
+ if (!w) {
+ dev_err(card->dev, "Failed to create %s widget\n",
+ link_name);
+ return -ENOMEM;
+ }
+
+ w->params = params;
+
+ memset(&routes, 0, sizeof(routes));
+
+ routes[0].source = source->name;
+ routes[0].sink = link_name;
+ routes[1].source = link_name;
+ routes[1].sink = sink->name;
+
+ return snd_soc_dapm_add_routes(&card->dapm, routes,
+ ARRAY_SIZE(routes));
+}
+
int snd_soc_dapm_new_dai_widgets(struct snd_soc_dapm_context *dapm,
struct snd_soc_dai *dai)
{
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;
+ }
+ }
+
+ 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(dapm, event);
+ 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 / firefly-linux-kernel-4.4.55.git / blobdiff