const char *control,
int (*connected)(struct snd_soc_dapm_widget *source,
struct snd_soc_dapm_widget *sink));
-static struct snd_soc_dapm_widget *
+
+struct snd_soc_dapm_widget *
snd_soc_dapm_new_control(struct snd_soc_dapm_context *dapm,
const struct snd_soc_dapm_widget *widget);
+struct snd_soc_dapm_widget *
+snd_soc_dapm_new_control_unlocked(struct snd_soc_dapm_context *dapm,
+ const struct snd_soc_dapm_widget *widget);
+
/* dapm power sequences - make this per codec in the future */
static int dapm_up_seq[] = {
[snd_soc_dapm_pre] = 0,
[snd_soc_dapm_aif_out] = 4,
[snd_soc_dapm_mic] = 5,
[snd_soc_dapm_mux] = 6,
+ [snd_soc_dapm_demux] = 6,
[snd_soc_dapm_dac] = 7,
[snd_soc_dapm_switch] = 8,
[snd_soc_dapm_mixer] = 8,
[snd_soc_dapm_mic] = 7,
[snd_soc_dapm_micbias] = 8,
[snd_soc_dapm_mux] = 9,
+ [snd_soc_dapm_demux] = 9,
[snd_soc_dapm_aif_in] = 10,
[snd_soc_dapm_aif_out] = 10,
[snd_soc_dapm_dai_in] = 10,
{
struct dapm_kcontrol_data *data;
struct soc_mixer_control *mc;
+ struct soc_enum *e;
+ const char *name;
+ int ret;
data = kzalloc(sizeof(*data), GFP_KERNEL);
- if (!data) {
- dev_err(widget->dapm->dev,
- "ASoC: can't allocate kcontrol data for %s\n",
- widget->name);
+ if (!data)
return -ENOMEM;
- }
INIT_LIST_HEAD(&data->paths);
if (mc->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 = mc->reg;
template.mask = (1 << fls(mc->max)) - 1;
template.off_val = 0;
template.on_val = template.off_val;
template.id = snd_soc_dapm_kcontrol;
- template.name = kcontrol->id.name;
+ template.name = name;
data->value = template.on_val;
- data->widget = snd_soc_dapm_new_control(widget->dapm,
+ data->widget =
+ snd_soc_dapm_new_control_unlocked(widget->dapm,
&template);
if (!data->widget) {
- kfree(data);
- return -ENOMEM;
+ ret = -ENOMEM;
+ goto err_name;
+ }
+ }
+ break;
+ case snd_soc_dapm_demux:
+ 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:
kcontrol->private_data = data;
return 0;
+
+err_name:
+ kfree(name);
+err_data:
+ kfree(data);
+ return ret;
}
static void dapm_kcontrol_free(struct snd_kcontrol *kctl)
{
struct dapm_kcontrol_data *data = snd_kcontrol_chip(kctl);
+ if (data->widget)
+ kfree(data->widget->name);
kfree(data->wlist);
kfree(data);
}
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)
snd_soc_component_async_complete(dapm->component);
}
+static struct snd_soc_dapm_widget *
+dapm_wcache_lookup(struct snd_soc_dapm_wcache *wcache, const char *name)
+{
+ struct snd_soc_dapm_widget *w = wcache->widget;
+ struct list_head *wlist;
+ const int depth = 2;
+ int i = 0;
+
+ if (w) {
+ wlist = &w->dapm->card->widgets;
+
+ list_for_each_entry_from(w, wlist, list) {
+ if (!strcmp(name, w->name))
+ return w;
+
+ if (++i == depth)
+ break;
+ }
+ }
+
+ return NULL;
+}
+
+static inline void dapm_wcache_update(struct snd_soc_dapm_wcache *wcache,
+ struct snd_soc_dapm_widget *w)
+{
+ wcache->widget = w;
+}
+
+/**
+ * snd_soc_dapm_force_bias_level() - Sets the DAPM bias level
+ * @dapm: The DAPM context for which to set the level
+ * @level: The level to set
+ *
+ * Forces the DAPM bias level to a specific state. It will call the bias level
+ * callback of DAPM context with the specified level. This will even happen if
+ * the context is already at the same level. Furthermore it will not go through
+ * the normal bias level sequencing, meaning any intermediate states between the
+ * current and the target state will not be entered.
+ *
+ * Note that the change in bias level is only temporary and the next time
+ * snd_soc_dapm_sync() is called the state will be set to the level as
+ * determined by the DAPM core. The function is mainly intended to be used to
+ * used during probe or resume from suspend to power up the device so
+ * initialization can be done, before the DAPM core takes over.
+ */
+int snd_soc_dapm_force_bias_level(struct snd_soc_dapm_context *dapm,
+ enum snd_soc_bias_level level)
+{
+ int ret = 0;
+
+ if (dapm->set_bias_level)
+ ret = dapm->set_bias_level(dapm, level);
+
+ if (ret == 0)
+ dapm->bias_level = level;
+
+ return ret;
+}
+EXPORT_SYMBOL_GPL(snd_soc_dapm_force_bias_level);
+
/**
* snd_soc_dapm_set_bias_level - set the bias level for the system
* @dapm: DAPM context
if (ret != 0)
goto out;
- if (dapm->set_bias_level)
- ret = dapm->set_bias_level(dapm, level);
- else if (!card || dapm != &card->dapm)
- dapm->bias_level = level;
+ if (!card || dapm != &card->dapm)
+ ret = snd_soc_dapm_force_bias_level(dapm, level);
if (ret != 0)
goto out;
/* connect mux widget to its interconnecting audio paths */
static int dapm_connect_mux(struct snd_soc_dapm_context *dapm,
- struct snd_soc_dapm_path *path, const char *control_name)
+ struct snd_soc_dapm_path *path, const char *control_name,
+ struct snd_soc_dapm_widget *w)
{
- const struct snd_kcontrol_new *kcontrol = &path->sink->kcontrol_news[0];
+ const struct snd_kcontrol_new *kcontrol = &w->kcontrol_news[0];
struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
unsigned int val, item;
int i;
wname_in_long_name = false;
kcname_in_long_name = true;
break;
+ case snd_soc_dapm_demux:
case snd_soc_dapm_mux:
wname_in_long_name = true;
kcname_in_long_name = false;
{
int i, ret;
struct snd_soc_dapm_path *path;
+ struct dapm_kcontrol_data *data;
/* add kcontrol */
for (i = 0; i < w->num_kcontrols; i++) {
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);
}
}
{
struct snd_soc_dapm_context *dapm = w->dapm;
struct snd_soc_dapm_path *path;
+ struct list_head *paths;
+ const char *type;
int ret;
+ switch (w->id) {
+ case snd_soc_dapm_mux:
+ paths = &w->sources;
+ type = "mux";
+ break;
+ case snd_soc_dapm_demux:
+ paths = &w->sinks;
+ type = "demux";
+ break;
+ default:
+ return -EINVAL;
+ }
+
if (w->num_kcontrols != 1) {
dev_err(dapm->dev,
- "ASoC: mux %s has incorrect number of controls\n",
+ "ASoC: %s %s has incorrect number of controls\n", type,
w->name);
return -EINVAL;
}
- if (list_empty(&w->sources)) {
- dev_err(dapm->dev, "ASoC: mux %s has no paths\n", w->name);
+ if (list_empty(paths)) {
+ dev_err(dapm->dev, "ASoC: %s %s has no paths\n", type, w->name);
return -EINVAL;
}
if (ret < 0)
return ret;
- list_for_each_entry(path, &w->sources, list_sink) {
- if (path->name)
- dapm_kcontrol_add_path(w->kcontrols[0], path);
+ if (w->id == snd_soc_dapm_mux) {
+ list_for_each_entry(path, &w->sources, list_sink) {
+ if (path->name)
+ dapm_kcontrol_add_path(w->kcontrols[0], path);
+ }
+ } else {
+ list_for_each_entry(path, &w->sinks, list_source) {
+ if (path->name)
+ dapm_kcontrol_add_path(w->kcontrols[0], path);
+ }
}
return 0;
}
}
+static int snd_soc_dapm_check_dynamic_path(struct snd_soc_dapm_context *dapm,
+ struct snd_soc_dapm_widget *source, struct snd_soc_dapm_widget *sink,
+ const char *control)
+{
+ bool dynamic_source = false;
+ bool dynamic_sink = false;
+
+ if (!control)
+ return 0;
+
+ switch (source->id) {
+ case snd_soc_dapm_demux:
+ dynamic_source = true;
+ break;
+ default:
+ break;
+ }
+
+ switch (sink->id) {
+ case snd_soc_dapm_mux:
+ case snd_soc_dapm_switch:
+ case snd_soc_dapm_mixer:
+ case snd_soc_dapm_mixer_named_ctl:
+ dynamic_sink = true;
+ break;
+ default:
+ break;
+ }
+
+ if (dynamic_source && dynamic_sink) {
+ dev_err(dapm->dev,
+ "Direct connection between demux and mixer/mux not supported for path %s -> [%s] -> %s\n",
+ source->name, control, sink->name);
+ return -EINVAL;
+ } else if (!dynamic_source && !dynamic_sink) {
+ dev_err(dapm->dev,
+ "Control not supported for path %s -> [%s] -> %s\n",
+ source->name, control, sink->name);
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
static int snd_soc_dapm_add_path(struct snd_soc_dapm_context *dapm,
struct snd_soc_dapm_widget *wsource, struct snd_soc_dapm_widget *wsink,
const char *control,
return -EINVAL;
}
+ ret = snd_soc_dapm_check_dynamic_path(dapm, wsource, wsink, control);
+ if (ret)
+ return ret;
+
path = kzalloc(sizeof(struct snd_soc_dapm_path), GFP_KERNEL);
if (!path)
return -ENOMEM;
if (control == NULL) {
path->connect = 1;
} else {
- /* connect dynamic paths */
+ switch (wsource->id) {
+ case snd_soc_dapm_demux:
+ ret = dapm_connect_mux(dapm, path, control, wsource);
+ if (ret)
+ goto err;
+ break;
+ default:
+ break;
+ }
+
switch (wsink->id) {
case snd_soc_dapm_mux:
- ret = dapm_connect_mux(dapm, path, control);
+ ret = dapm_connect_mux(dapm, path, control, wsink);
if (ret != 0)
goto err;
break;
goto err;
break;
default:
- dev_err(dapm->dev,
- "Control not supported for path %s -> [%s] -> %s\n",
- wsource->name, control, wsink->name);
- ret = -EINVAL;
- goto err;
+ break;
}
}
source = route->source;
}
+ wsource = dapm_wcache_lookup(&dapm->path_source_cache, source);
+ wsink = dapm_wcache_lookup(&dapm->path_sink_cache, sink);
+
+ if (wsink && wsource)
+ goto skip_search;
+
/*
* find src and dest widgets over all widgets but favor a widget from
* current DAPM context
list_for_each_entry(w, &dapm->card->widgets, list) {
if (!wsink && !(strcmp(w->name, sink))) {
wtsink = w;
- if (w->dapm == dapm)
+ if (w->dapm == dapm) {
wsink = w;
+ if (wsource)
+ break;
+ }
continue;
}
if (!wsource && !(strcmp(w->name, source))) {
wtsource = w;
- if (w->dapm == dapm)
+ if (w->dapm == dapm) {
wsource = w;
+ if (wsink)
+ break;
+ }
}
}
/* use widget from another DAPM context if not found from this */
return -ENODEV;
}
+skip_search:
+ dapm_wcache_update(&dapm->path_sink_cache, wsink);
+ dapm_wcache_update(&dapm->path_source_cache, wsource);
+
ret = snd_soc_dapm_add_path(dapm, wsource, wsink, route->control,
route->connected);
if (ret)
dapm_new_mixer(w);
break;
case snd_soc_dapm_mux:
+ case snd_soc_dapm_demux:
dapm_new_mux(w);
break;
case snd_soc_dapm_pga:
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, ®_val);
- if (ret)
+ if (ret) {
+ mutex_unlock(&card->dapm_mutex);
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);
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;
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);
}
EXPORT_SYMBOL_GPL(snd_soc_dapm_put_pin_switch);
-static struct snd_soc_dapm_widget *
+struct snd_soc_dapm_widget *
snd_soc_dapm_new_control(struct snd_soc_dapm_context *dapm,
+ const struct snd_soc_dapm_widget *widget)
+{
+ struct snd_soc_dapm_widget *w;
+
+ mutex_lock_nested(&dapm->card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME);
+ w = snd_soc_dapm_new_control_unlocked(dapm, widget);
+ if (!w)
+ dev_err(dapm->dev,
+ "ASoC: Failed to create DAPM control %s\n",
+ widget->name);
+
+ mutex_unlock(&dapm->card->dapm_mutex);
+ return w;
+}
+
+struct snd_soc_dapm_widget *
+snd_soc_dapm_new_control_unlocked(struct snd_soc_dapm_context *dapm,
const struct snd_soc_dapm_widget *widget)
{
struct snd_soc_dapm_widget *w;
w->power_check = dapm_always_on_check_power;
break;
case snd_soc_dapm_mux:
+ case snd_soc_dapm_demux:
case snd_soc_dapm_switch:
case snd_soc_dapm_mixer:
case snd_soc_dapm_mixer_named_ctl:
INIT_LIST_HEAD(&w->sinks);
INIT_LIST_HEAD(&w->list);
INIT_LIST_HEAD(&w->dirty);
- list_add(&w->list, &dapm->card->widgets);
+ list_add_tail(&w->list, &dapm->card->widgets);
w->inputs = -1;
w->outputs = -1;
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);
+ w = snd_soc_dapm_new_control_unlocked(dapm, widget);
if (!w) {
dev_err(dapm->dev,
"ASoC: Failed to create DAPM control %s\n",
dev_dbg(card->dev, "ASoC: adding %s widget\n", link_name);
- w = snd_soc_dapm_new_control(&card->dapm, &template);
+ w = snd_soc_dapm_new_control_unlocked(&card->dapm, &template);
if (!w) {
dev_err(card->dev, "ASoC: Failed to create %s widget\n",
link_name);
dev_dbg(dai->dev, "ASoC: adding %s widget\n",
template.name);
- w = snd_soc_dapm_new_control(dapm, &template);
+ w = snd_soc_dapm_new_control_unlocked(dapm, &template);
if (!w) {
dev_err(dapm->dev, "ASoC: Failed to create %s widget\n",
dai->driver->playback.stream_name);
dev_dbg(dai->dev, "ASoC: adding %s widget\n",
template.name);
- w = snd_soc_dapm_new_control(dapm, &template);
+ w = snd_soc_dapm_new_control_unlocked(dapm, &template);
if (!w) {
dev_err(dapm->dev, "ASoC: Failed to create %s widget\n",
dai->driver->capture.stream_name);
git.samba.org / sfrench / cifs-2.6.git / blobdiff