}
break;
case snd_soc_dapm_value_mux: {
- struct soc_value_enum *e = (struct soc_value_enum *)
+ struct soc_enum *e = (struct soc_enum *)
w->kcontrols[i].private_value;
int val, item;
return -ENODEV;
}
-/* connect value_mux widget to it's interconnecting audio paths */
-static int dapm_connect_value_mux(struct snd_soc_codec *codec,
- struct snd_soc_dapm_widget *src, struct snd_soc_dapm_widget *dest,
- struct snd_soc_dapm_path *path, const char *control_name,
- const struct snd_kcontrol_new *kcontrol)
-{
- struct soc_value_enum *e = (struct soc_value_enum *)
- kcontrol->private_value;
- int i;
-
- for (i = 0; i < e->max; i++) {
- if (!(strcmp(control_name, e->texts[i]))) {
- list_add(&path->list, &codec->dapm_paths);
- list_add(&path->list_sink, &dest->sources);
- list_add(&path->list_source, &src->sinks);
- path->name = (char *)e->texts[i];
- dapm_set_path_status(dest, path, 0);
- return 0;
- }
- }
-
- return -ENODEV;
-}
-
/* connect mixer widget to it's interconnecting audio paths */
static int dapm_connect_mixer(struct snd_soc_codec *codec,
struct snd_soc_dapm_widget *src, struct snd_soc_dapm_widget *dest,
* kcontrol name.
*/
name_len = strlen(w->kcontrols[i].name) + 1;
- if (w->id == snd_soc_dapm_mixer)
+ if (w->id != snd_soc_dapm_mixer_named_ctl)
name_len += 1 + strlen(w->name);
path->long_name = kmalloc(name_len, GFP_KERNEL);
return -ENOMEM;
switch (w->id) {
- case snd_soc_dapm_mixer:
default:
snprintf(path->long_name, name_len, "%s %s",
w->name, w->kcontrols[i].name);
- break;
+ break;
case snd_soc_dapm_mixer_named_ctl:
snprintf(path->long_name, name_len, "%s",
w->kcontrols[i].name);
- break;
+ break;
}
path->long_name[name_len - 1] = '\0';
}
EXPORT_SYMBOL_GPL(dapm_reg_event);
+/*
+ * Scan a single DAPM widget for a complete audio path and update the
+ * power status appropriately.
+ */
+static int dapm_power_widget(struct snd_soc_codec *codec, int event,
+ struct snd_soc_dapm_widget *w)
+{
+ int in, out, power_change, power, ret;
+
+ /* vmid - no action */
+ if (w->id == snd_soc_dapm_vmid)
+ return 0;
+
+ /* active ADC */
+ if (w->id == snd_soc_dapm_adc && w->active) {
+ in = is_connected_input_ep(w);
+ dapm_clear_walk(w->codec);
+ w->power = (in != 0) ? 1 : 0;
+ dapm_update_bits(w);
+ return 0;
+ }
+
+ /* active DAC */
+ if (w->id == snd_soc_dapm_dac && w->active) {
+ out = is_connected_output_ep(w);
+ dapm_clear_walk(w->codec);
+ w->power = (out != 0) ? 1 : 0;
+ dapm_update_bits(w);
+ return 0;
+ }
+
+ /* pre and post event widgets */
+ if (w->id == snd_soc_dapm_pre) {
+ if (!w->event)
+ return 0;
+
+ if (event == SND_SOC_DAPM_STREAM_START) {
+ ret = w->event(w,
+ NULL, SND_SOC_DAPM_PRE_PMU);
+ if (ret < 0)
+ return ret;
+ } else if (event == SND_SOC_DAPM_STREAM_STOP) {
+ ret = w->event(w,
+ NULL, SND_SOC_DAPM_PRE_PMD);
+ if (ret < 0)
+ return ret;
+ }
+ return 0;
+ }
+ if (w->id == snd_soc_dapm_post) {
+ if (!w->event)
+ return 0;
+
+ if (event == SND_SOC_DAPM_STREAM_START) {
+ ret = w->event(w,
+ NULL, SND_SOC_DAPM_POST_PMU);
+ if (ret < 0)
+ return ret;
+ } else if (event == SND_SOC_DAPM_STREAM_STOP) {
+ ret = w->event(w,
+ NULL, SND_SOC_DAPM_POST_PMD);
+ if (ret < 0)
+ return ret;
+ }
+ return 0;
+ }
+
+ /* all other widgets */
+ in = is_connected_input_ep(w);
+ dapm_clear_walk(w->codec);
+ out = is_connected_output_ep(w);
+ dapm_clear_walk(w->codec);
+ power = (out != 0 && in != 0) ? 1 : 0;
+ power_change = (w->power == power) ? 0 : 1;
+ w->power = power;
+
+ if (!power_change)
+ return 0;
+
+ /* call any power change event handlers */
+ if (w->event)
+ pr_debug("power %s event for %s flags %x\n",
+ w->power ? "on" : "off",
+ w->name, w->event_flags);
+
+ /* power up pre event */
+ if (power && w->event &&
+ (w->event_flags & SND_SOC_DAPM_PRE_PMU)) {
+ ret = w->event(w, NULL, SND_SOC_DAPM_PRE_PMU);
+ if (ret < 0)
+ return ret;
+ }
+
+ /* power down pre event */
+ if (!power && w->event &&
+ (w->event_flags & SND_SOC_DAPM_PRE_PMD)) {
+ ret = w->event(w, NULL, SND_SOC_DAPM_PRE_PMD);
+ if (ret < 0)
+ return ret;
+ }
+
+ /* Lower PGA volume to reduce pops */
+ if (w->id == snd_soc_dapm_pga && !power)
+ dapm_set_pga(w, power);
+
+ dapm_update_bits(w);
+
+ /* Raise PGA volume to reduce pops */
+ if (w->id == snd_soc_dapm_pga && power)
+ dapm_set_pga(w, power);
+
+ /* power up post event */
+ if (power && w->event &&
+ (w->event_flags & SND_SOC_DAPM_POST_PMU)) {
+ ret = w->event(w,
+ NULL, SND_SOC_DAPM_POST_PMU);
+ if (ret < 0)
+ return ret;
+ }
+
+ /* power down post event */
+ if (!power && w->event &&
+ (w->event_flags & SND_SOC_DAPM_POST_PMD)) {
+ ret = w->event(w, NULL, SND_SOC_DAPM_POST_PMD);
+ if (ret < 0)
+ return ret;
+ }
+
+ return 0;
+}
+
/*
* Scan each dapm widget for complete audio path.
* A complete path is a route that has valid endpoints i.e.:-
static int dapm_power_widgets(struct snd_soc_codec *codec, int event)
{
struct snd_soc_dapm_widget *w;
- int in, out, i, c = 1, *seq = NULL, ret = 0, power_change, power;
+ int i, c = 1, *seq = NULL, ret = 0;
/* do we have a sequenced stream event */
if (event == SND_SOC_DAPM_STREAM_START) {
seq = dapm_down_seq;
}
- for(i = 0; i < c; i++) {
+ for (i = 0; i < c; i++) {
list_for_each_entry(w, &codec->dapm_widgets, list) {
/* is widget in stream order */
if (seq && seq[i] && w->id != seq[i])
continue;
- /* vmid - no action */
- if (w->id == snd_soc_dapm_vmid)
- continue;
-
- /* active ADC */
- if (w->id == snd_soc_dapm_adc && w->active) {
- in = is_connected_input_ep(w);
- dapm_clear_walk(w->codec);
- w->power = (in != 0) ? 1 : 0;
- dapm_update_bits(w);
- continue;
- }
-
- /* active DAC */
- if (w->id == snd_soc_dapm_dac && w->active) {
- out = is_connected_output_ep(w);
- dapm_clear_walk(w->codec);
- w->power = (out != 0) ? 1 : 0;
- dapm_update_bits(w);
- continue;
- }
-
- /* pre and post event widgets */
- if (w->id == snd_soc_dapm_pre) {
- if (!w->event)
- continue;
-
- if (event == SND_SOC_DAPM_STREAM_START) {
- ret = w->event(w,
- NULL, SND_SOC_DAPM_PRE_PMU);
- if (ret < 0)
- return ret;
- } else if (event == SND_SOC_DAPM_STREAM_STOP) {
- ret = w->event(w,
- NULL, SND_SOC_DAPM_PRE_PMD);
- if (ret < 0)
- return ret;
- }
- continue;
- }
- if (w->id == snd_soc_dapm_post) {
- if (!w->event)
- continue;
-
- if (event == SND_SOC_DAPM_STREAM_START) {
- ret = w->event(w,
- NULL, SND_SOC_DAPM_POST_PMU);
- if (ret < 0)
- return ret;
- } else if (event == SND_SOC_DAPM_STREAM_STOP) {
- ret = w->event(w,
- NULL, SND_SOC_DAPM_POST_PMD);
- if (ret < 0)
- return ret;
- }
- continue;
- }
-
- /* all other widgets */
- in = is_connected_input_ep(w);
- dapm_clear_walk(w->codec);
- out = is_connected_output_ep(w);
- dapm_clear_walk(w->codec);
- power = (out != 0 && in != 0) ? 1 : 0;
- power_change = (w->power == power) ? 0: 1;
- w->power = power;
-
- if (!power_change)
- continue;
-
- /* call any power change event handlers */
- if (w->event)
- pr_debug("power %s event for %s flags %x\n",
- w->power ? "on" : "off",
- w->name, w->event_flags);
-
- /* power up pre event */
- if (power && w->event &&
- (w->event_flags & SND_SOC_DAPM_PRE_PMU)) {
- ret = w->event(w, NULL, SND_SOC_DAPM_PRE_PMU);
- if (ret < 0)
- return ret;
- }
-
- /* power down pre event */
- if (!power && w->event &&
- (w->event_flags & SND_SOC_DAPM_PRE_PMD)) {
- ret = w->event(w, NULL, SND_SOC_DAPM_PRE_PMD);
- if (ret < 0)
- return ret;
- }
-
- /* Lower PGA volume to reduce pops */
- if (w->id == snd_soc_dapm_pga && !power)
- dapm_set_pga(w, power);
-
- dapm_update_bits(w);
-
- /* Raise PGA volume to reduce pops */
- if (w->id == snd_soc_dapm_pga && power)
- dapm_set_pga(w, power);
-
- /* power up post event */
- if (power && w->event &&
- (w->event_flags & SND_SOC_DAPM_POST_PMU)) {
- ret = w->event(w,
- NULL, SND_SOC_DAPM_POST_PMU);
- if (ret < 0)
- return ret;
- }
-
- /* power down post event */
- if (!power && w->event &&
- (w->event_flags & SND_SOC_DAPM_POST_PMD)) {
- ret = w->event(w, NULL, SND_SOC_DAPM_POST_PMD);
- if (ret < 0)
- return ret;
- }
+ ret = dapm_power_widget(codec, event, w);
+ if (ret != 0)
+ return ret;
}
}
- return ret;
+ return 0;
}
#ifdef DEBUG
struct snd_soc_dapm_path *path;
int found = 0;
- if (widget->id != snd_soc_dapm_mux)
+ if (widget->id != snd_soc_dapm_mux &&
+ widget->id != snd_soc_dapm_value_mux)
return -ENODEV;
if (!snd_soc_test_bits(widget->codec, e->reg, mask, val))
return 0;
}
-/* test and update the power status of a value_mux widget */
-static int dapm_value_mux_update_power(struct snd_soc_dapm_widget *widget,
- struct snd_kcontrol *kcontrol, int mask,
- int mux, int val, struct soc_value_enum *e)
-{
- struct snd_soc_dapm_path *path;
- int found = 0;
-
- if (widget->id != snd_soc_dapm_value_mux)
- return -ENODEV;
-
- if (!snd_soc_test_bits(widget->codec, e->reg, mask, val))
- return 0;
-
- /* find dapm widget path assoc with kcontrol */
- list_for_each_entry(path, &widget->codec->dapm_paths, list) {
- if (path->kcontrol != kcontrol)
- continue;
-
- if (!path->name || !e->texts[mux])
- continue;
-
- found = 1;
- /* we now need to match the string in the enum to the path */
- if (!(strcmp(path->name, e->texts[mux])))
- path->connect = 1; /* new connection */
- else
- path->connect = 0; /* old connection must be
- powered down */
- }
-
- if (found) {
- dapm_power_widgets(widget->codec, SND_SOC_DAPM_STREAM_NOP);
- dump_dapm(widget->codec, "mux power update");
- }
-
- return 0;
-}
-
/* test and update the power status of a mixer or switch widget */
static int dapm_mixer_update_power(struct snd_soc_dapm_widget *widget,
struct snd_kcontrol *kcontrol, int reg,
struct device_attribute *attr, char *buf)
{
struct snd_soc_device *devdata = dev_get_drvdata(dev);
- struct snd_soc_codec *codec = devdata->codec;
+ struct snd_soc_codec *codec = devdata->card->codec;
struct snd_soc_dapm_widget *w;
int count = 0;
char *state = "not set";
path->connect = 1;
return 0;
case snd_soc_dapm_mux:
+ case snd_soc_dapm_value_mux:
ret = dapm_connect_mux(codec, wsource, wsink, path, control,
&wsink->kcontrols[0]);
if (ret != 0)
goto err;
break;
- case snd_soc_dapm_value_mux:
- ret = dapm_connect_value_mux(codec, wsource, wsink, path,
- control, &wsink->kcontrols[0]);
- if (ret != 0)
- goto err;
- break;
case snd_soc_dapm_switch:
case snd_soc_dapm_mixer:
case snd_soc_dapm_mixer_named_ctl:
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_dapm_widget *widget = snd_kcontrol_chip(kcontrol);
- struct soc_value_enum *e = (struct soc_value_enum *)
- kcontrol->private_value;
+ struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
unsigned short reg_val, val, mux;
reg_val = snd_soc_read(widget->codec, e->reg);
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_dapm_widget *widget = snd_kcontrol_chip(kcontrol);
- struct soc_value_enum *e = (struct soc_value_enum *)
- kcontrol->private_value;
+ struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
unsigned short val, mux;
unsigned short mask;
int ret = 0;
mutex_lock(&widget->codec->mutex);
widget->value = val;
- dapm_value_mux_update_power(widget, kcontrol, mask, mux, val, e);
+ dapm_mux_update_power(widget, kcontrol, mask, mux, val, e);
if (widget->event) {
if (widget->event_flags & SND_SOC_DAPM_PRE_REG) {
ret = widget->event(widget,
}
EXPORT_SYMBOL_GPL(snd_soc_dapm_put_value_enum_double);
+/**
+ * snd_soc_dapm_info_pin_switch - Info for a pin switch
+ *
+ * @kcontrol: mixer control
+ * @uinfo: control element information
+ *
+ * Callback to provide information about a pin switch control.
+ */
+int snd_soc_dapm_info_pin_switch(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_info *uinfo)
+{
+ uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
+ uinfo->count = 1;
+ uinfo->value.integer.min = 0;
+ uinfo->value.integer.max = 1;
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(snd_soc_dapm_info_pin_switch);
+
+/**
+ * snd_soc_dapm_get_pin_switch - Get information for a pin switch
+ *
+ * @kcontrol: mixer control
+ * @ucontrol: Value
+ */
+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);
+ const char *pin = (const char *)kcontrol->private_value;
+
+ mutex_lock(&codec->mutex);
+
+ ucontrol->value.integer.value[0] =
+ snd_soc_dapm_get_pin_status(codec, pin);
+
+ mutex_unlock(&codec->mutex);
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(snd_soc_dapm_get_pin_switch);
+
+/**
+ * snd_soc_dapm_put_pin_switch - Set information for a pin switch
+ *
+ * @kcontrol: mixer control
+ * @ucontrol: Value
+ */
+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);
+ const char *pin = (const char *)kcontrol->private_value;
+
+ mutex_lock(&codec->mutex);
+
+ if (ucontrol->value.integer.value[0])
+ snd_soc_dapm_enable_pin(codec, pin);
+ else
+ snd_soc_dapm_disable_pin(codec, pin);
+
+ snd_soc_dapm_sync(codec);
+
+ mutex_unlock(&codec->mutex);
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(snd_soc_dapm_put_pin_switch);
+
/**
* snd_soc_dapm_new_control - create new dapm control
* @codec: audio codec
int snd_soc_dapm_set_bias_level(struct snd_soc_device *socdev,
enum snd_soc_bias_level level)
{
- struct snd_soc_codec *codec = socdev->codec;
struct snd_soc_card *card = socdev->card;
+ struct snd_soc_codec *codec = socdev->card->codec;
int ret = 0;
if (card->set_bias_level)
*/
void snd_soc_dapm_free(struct snd_soc_device *socdev)
{
- struct snd_soc_codec *codec = socdev->codec;
+ struct snd_soc_codec *codec = socdev->card->codec;
snd_soc_dapm_sys_remove(socdev->dev);
dapm_free_widgets(codec);