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-rw-r--r--include/sound/soc-dapm.h2
-rw-r--r--include/sound/soc.h30
-rw-r--r--sound/soc/soc-core.c19
-rw-r--r--sound/soc/soc-dapm.c100
4 files changed, 110 insertions, 41 deletions
diff --git a/include/sound/soc-dapm.h b/include/sound/soc-dapm.h
index 3a5c4f969c04..e292683ee694 100644
--- a/include/sound/soc-dapm.h
+++ b/include/sound/soc-dapm.h
@@ -441,6 +441,8 @@ 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_codec *snd_soc_dapm_kcontrol_codec(struct snd_kcontrol *kcontrol);
+struct snd_soc_dapm_context *snd_soc_dapm_kcontrol_dapm(
+ struct snd_kcontrol *kcontrol);
/* dapm widget types */
enum snd_soc_dapm_type {
diff --git a/include/sound/soc.h b/include/sound/soc.h
index f64bf9452466..a21dfecba56b 100644
--- a/include/sound/soc.h
+++ b/include/sound/soc.h
@@ -706,6 +706,10 @@ struct snd_soc_component {
int val_bytes;
struct mutex io_mutex;
+
+ /* Don't use these, use snd_soc_component_get_dapm() */
+ struct snd_soc_dapm_context dapm;
+ struct snd_soc_dapm_context *dapm_ptr;
};
/* SoC Audio Codec device */
@@ -1161,6 +1165,21 @@ static inline struct snd_soc_platform *snd_soc_component_to_platform(
}
/**
+ * snd_soc_dapm_to_component() - Casts a DAPM context to the component it is
+ * embedded in
+ * @dapm: The DAPM context to cast to the component
+ *
+ * This function must only be used on DAPM contexts that are known to be part of
+ * a component (e.g. in a component driver). Otherwise the behavior is
+ * undefined.
+ */
+static inline struct snd_soc_component *snd_soc_dapm_to_component(
+ struct snd_soc_dapm_context *dapm)
+{
+ return container_of(dapm, struct snd_soc_component, dapm);
+}
+
+/**
* snd_soc_dapm_to_codec() - Casts a DAPM context to the CODEC it is embedded in
* @dapm: The DAPM context to cast to the CODEC
*
@@ -1187,6 +1206,17 @@ static inline struct snd_soc_platform *snd_soc_dapm_to_platform(
return container_of(dapm, struct snd_soc_platform, dapm);
}
+/**
+ * snd_soc_component_get_dapm() - Returns the DAPM context associated with a
+ * component
+ * @component: The component for which to get the DAPM context
+ */
+static inline struct snd_soc_dapm_context *snd_soc_component_get_dapm(
+ struct snd_soc_component *component)
+{
+ return component->dapm_ptr;
+}
+
/* codec IO */
unsigned int snd_soc_read(struct snd_soc_codec *codec, unsigned int reg);
int snd_soc_write(struct snd_soc_codec *codec, unsigned int reg,
diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index 10e13c43bc54..f519a9f7571c 100644
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -3997,6 +3997,8 @@ err:
static int snd_soc_component_initialize(struct snd_soc_component *component,
const struct snd_soc_component_driver *driver, struct device *dev)
{
+ struct snd_soc_dapm_context *dapm;
+
component->name = fmt_single_name(dev, &component->id);
if (!component->name) {
dev_err(dev, "ASoC: Failed to allocate name\n");
@@ -4006,6 +4008,14 @@ static int snd_soc_component_initialize(struct snd_soc_component *component,
component->dev = dev;
component->driver = driver;
+ if (!component->dapm_ptr)
+ component->dapm_ptr = &component->dapm;
+
+ dapm = component->dapm_ptr;
+ dapm->dev = dev;
+ dapm->component = component;
+ dapm->bias_level = SND_SOC_BIAS_OFF;
+
INIT_LIST_HEAD(&component->dai_list);
mutex_init(&component->io_mutex);
@@ -4131,6 +4141,8 @@ int snd_soc_add_platform(struct device *dev, struct snd_soc_platform *platform,
{
int ret;
+ platform->component.dapm_ptr = &platform->dapm;
+
ret = snd_soc_component_initialize(&platform->component,
&platform_drv->component_driver, dev);
if (ret)
@@ -4138,9 +4150,7 @@ int snd_soc_add_platform(struct device *dev, struct snd_soc_platform *platform,
platform->dev = dev;
platform->driver = platform_drv;
- platform->dapm.dev = dev;
platform->dapm.platform = platform;
- platform->dapm.component = &platform->component;
platform->dapm.stream_event = platform_drv->stream_event;
if (platform_drv->write)
platform->component.write = snd_soc_platform_drv_write;
@@ -4314,6 +4324,8 @@ int snd_soc_register_codec(struct device *dev,
if (codec == NULL)
return -ENOMEM;
+ codec->component.dapm_ptr = &codec->dapm;
+
ret = snd_soc_component_initialize(&codec->component,
&codec_drv->component_driver, dev);
if (ret)
@@ -4324,10 +4336,7 @@ int snd_soc_register_codec(struct device *dev,
if (codec_drv->read)
codec->component.read = snd_soc_codec_drv_read;
codec->component.ignore_pmdown_time = codec_drv->ignore_pmdown_time;
- codec->dapm.bias_level = SND_SOC_BIAS_OFF;
- codec->dapm.dev = dev;
codec->dapm.codec = codec;
- codec->dapm.component = &codec->component;
codec->dapm.seq_notifier = codec_drv->seq_notifier;
codec->dapm.stream_event = codec_drv->stream_event;
if (codec_drv->set_bias_level)
diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c
index 6c94a6b3fce7..4702b926a6a0 100644
--- a/sound/soc/soc-dapm.c
+++ b/sound/soc/soc-dapm.c
@@ -350,12 +350,27 @@ static bool dapm_kcontrol_set_value(const struct snd_kcontrol *kcontrol,
}
/**
+ * snd_soc_dapm_kcontrol_dapm() - Returns the dapm context associated to a
+ * kcontrol
+ * @kcontrol: The kcontrol
+ *
+ * Note: This function must only be used on kcontrols that are known to have
+ * been registered for a CODEC. Otherwise the behaviour is undefined.
+ */
+struct snd_soc_dapm_context *snd_soc_dapm_kcontrol_dapm(
+ struct snd_kcontrol *kcontrol)
+{
+ return dapm_kcontrol_get_wlist(kcontrol)->widgets[0]->dapm;
+}
+EXPORT_SYMBOL_GPL(snd_soc_dapm_kcontrol_dapm);
+
+/**
* snd_soc_dapm_kcontrol_codec() - Returns the codec associated to a kcontrol
* @kcontrol: The kcontrol
*/
struct snd_soc_codec *snd_soc_dapm_kcontrol_codec(struct snd_kcontrol *kcontrol)
{
- return dapm_kcontrol_get_wlist(kcontrol)->widgets[0]->codec;
+ return snd_soc_dapm_to_codec(snd_soc_dapm_kcontrol_dapm(kcontrol));
}
EXPORT_SYMBOL_GPL(snd_soc_dapm_kcontrol_codec);
@@ -382,23 +397,31 @@ static const char *soc_dapm_prefix(struct snd_soc_dapm_context *dapm)
return dapm->component->name_prefix;
}
-static int soc_widget_read(struct snd_soc_dapm_widget *w, int reg,
+static int soc_dapm_read(struct snd_soc_dapm_context *dapm, int reg,
unsigned int *value)
{
- if (!w->dapm->component)
+ if (!dapm->component)
return -EIO;
- return snd_soc_component_read(w->dapm->component, reg, value);
+ return snd_soc_component_read(dapm->component, reg, value);
}
-static int soc_widget_update_bits(struct snd_soc_dapm_widget *w,
+static int soc_dapm_update_bits(struct snd_soc_dapm_context *dapm,
int reg, unsigned int mask, unsigned int value)
{
- if (!w->dapm->component)
+ if (!dapm->component)
return -EIO;
- return snd_soc_component_update_bits_async(w->dapm->component, reg,
+ return snd_soc_component_update_bits_async(dapm->component, reg,
mask, value);
}
+static int soc_dapm_test_bits(struct snd_soc_dapm_context *dapm,
+ int reg, unsigned int mask, unsigned int value)
+{
+ if (!dapm->component)
+ return -EIO;
+ return snd_soc_component_test_bits(dapm->component, reg, mask, value);
+}
+
static void soc_dapm_async_complete(struct snd_soc_dapm_context *dapm)
{
if (dapm->component)
@@ -454,7 +477,7 @@ static int dapm_connect_mux(struct snd_soc_dapm_context *dapm,
int i;
if (e->reg != SND_SOC_NOPM) {
- soc_widget_read(dest, e->reg, &val);
+ soc_dapm_read(dapm, e->reg, &val);
val = (val >> e->shift_l) & e->mask;
item = snd_soc_enum_val_to_item(e, val);
} else {
@@ -498,7 +521,7 @@ static void dapm_set_mixer_path_status(struct snd_soc_dapm_widget *w,
unsigned int val;
if (reg != SND_SOC_NOPM) {
- soc_widget_read(w, reg, &val);
+ soc_dapm_read(w->dapm, reg, &val);
val = (val >> shift) & mask;
if (invert)
val = max - val;
@@ -1306,16 +1329,18 @@ static void dapm_seq_check_event(struct snd_soc_card *card,
static void dapm_seq_run_coalesced(struct snd_soc_card *card,
struct list_head *pending)
{
+ struct snd_soc_dapm_context *dapm;
struct snd_soc_dapm_widget *w;
int reg;
unsigned int value = 0;
unsigned int mask = 0;
- reg = list_first_entry(pending, struct snd_soc_dapm_widget,
- power_list)->reg;
+ w = list_first_entry(pending, struct snd_soc_dapm_widget, power_list);
+ reg = w->reg;
+ dapm = w->dapm;
list_for_each_entry(w, pending, power_list) {
- WARN_ON(reg != w->reg);
+ WARN_ON(reg != w->reg || dapm != w->dapm);
w->power = w->new_power;
mask |= w->mask << w->shift;
@@ -1324,7 +1349,7 @@ static void dapm_seq_run_coalesced(struct snd_soc_card *card,
else
value |= w->off_val << w->shift;
- pop_dbg(w->dapm->dev, card->pop_time,
+ pop_dbg(dapm->dev, card->pop_time,
"pop test : Queue %s: reg=0x%x, 0x%x/0x%x\n",
w->name, reg, value, mask);
@@ -1337,14 +1362,12 @@ static void dapm_seq_run_coalesced(struct snd_soc_card *card,
/* Any widget will do, they should all be updating the
* same register.
*/
- w = list_first_entry(pending, struct snd_soc_dapm_widget,
- power_list);
- pop_dbg(w->dapm->dev, card->pop_time,
+ pop_dbg(dapm->dev, card->pop_time,
"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_dapm_update_bits(dapm, reg, mask, value);
}
list_for_each_entry(w, pending, power_list) {
@@ -1490,7 +1513,8 @@ static void dapm_widget_update(struct snd_soc_card *card)
if (!w)
return;
- ret = soc_widget_update_bits(w, update->reg, update->mask, update->val);
+ ret = soc_dapm_update_bits(w->dapm, update->reg, update->mask,
+ update->val);
if (ret < 0)
dev_err(w->dapm->dev, "ASoC: %s DAPM update failed: %d\n",
w->name, ret);
@@ -2672,7 +2696,7 @@ int snd_soc_dapm_new_widgets(struct snd_soc_card *card)
/* Read the initial power state from the device */
if (w->reg >= 0) {
- soc_widget_read(w, w->reg, &val);
+ soc_dapm_read(w->dapm, w->reg, &val);
val = val >> w->shift;
val &= w->mask;
if (val == w->on_val)
@@ -2703,8 +2727,8 @@ EXPORT_SYMBOL_GPL(snd_soc_dapm_new_widgets);
int snd_soc_dapm_get_volsw(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
- struct snd_soc_codec *codec = snd_soc_dapm_kcontrol_codec(kcontrol);
- struct snd_soc_card *card = codec->card;
+ struct snd_soc_dapm_context *dapm = snd_soc_dapm_kcontrol_dapm(kcontrol);
+ struct snd_soc_card *card = dapm->card;
struct soc_mixer_control *mc =
(struct soc_mixer_control *)kcontrol->private_value;
int reg = mc->reg;
@@ -2713,17 +2737,20 @@ int snd_soc_dapm_get_volsw(struct snd_kcontrol *kcontrol,
unsigned int mask = (1 << fls(max)) - 1;
unsigned int invert = mc->invert;
unsigned int val;
+ int ret = 0;
if (snd_soc_volsw_is_stereo(mc))
- dev_warn(codec->dapm.dev,
+ dev_warn(dapm->dev,
"ASoC: Control '%s' is stereo, which is not supported\n",
kcontrol->id.name);
mutex_lock_nested(&card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME);
- if (dapm_kcontrol_is_powered(kcontrol) && reg != SND_SOC_NOPM)
- val = (snd_soc_read(codec, reg) >> shift) & mask;
- else
+ if (dapm_kcontrol_is_powered(kcontrol) && reg != SND_SOC_NOPM) {
+ ret = soc_dapm_read(dapm, reg, &val);
+ val = (val >> shift) & mask;
+ } else {
val = dapm_kcontrol_get_value(kcontrol);
+ }
mutex_unlock(&card->dapm_mutex);
if (invert)
@@ -2731,7 +2758,7 @@ int snd_soc_dapm_get_volsw(struct snd_kcontrol *kcontrol,
else
ucontrol->value.integer.value[0] = val;
- return 0;
+ return ret;
}
EXPORT_SYMBOL_GPL(snd_soc_dapm_get_volsw);
@@ -2747,8 +2774,8 @@ EXPORT_SYMBOL_GPL(snd_soc_dapm_get_volsw);
int snd_soc_dapm_put_volsw(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
- struct snd_soc_codec *codec = snd_soc_dapm_kcontrol_codec(kcontrol);
- struct snd_soc_card *card = codec->card;
+ struct snd_soc_dapm_context *dapm = snd_soc_dapm_kcontrol_dapm(kcontrol);
+ struct snd_soc_card *card = dapm->card;
struct soc_mixer_control *mc =
(struct soc_mixer_control *)kcontrol->private_value;
int reg = mc->reg;
@@ -2762,7 +2789,7 @@ int snd_soc_dapm_put_volsw(struct snd_kcontrol *kcontrol,
int ret = 0;
if (snd_soc_volsw_is_stereo(mc))
- dev_warn(codec->dapm.dev,
+ dev_warn(dapm->dev,
"ASoC: Control '%s' is stereo, which is not supported\n",
kcontrol->id.name);
@@ -2780,7 +2807,7 @@ int snd_soc_dapm_put_volsw(struct snd_kcontrol *kcontrol,
mask = mask << shift;
val = val << shift;
- reg_change = snd_soc_test_bits(codec, reg, mask, val);
+ reg_change = soc_dapm_test_bits(dapm, reg, mask, val);
}
if (change || reg_change) {
@@ -2819,12 +2846,13 @@ EXPORT_SYMBOL_GPL(snd_soc_dapm_put_volsw);
int snd_soc_dapm_get_enum_double(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
- struct snd_soc_codec *codec = snd_soc_dapm_kcontrol_codec(kcontrol);
+ struct snd_soc_dapm_context *dapm = snd_soc_dapm_kcontrol_dapm(kcontrol);
struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
unsigned int reg_val, val;
+ int ret = 0;
if (e->reg != SND_SOC_NOPM)
- reg_val = snd_soc_read(codec, e->reg);
+ ret = soc_dapm_read(dapm, e->reg, &reg_val);
else
reg_val = dapm_kcontrol_get_value(kcontrol);
@@ -2836,7 +2864,7 @@ int snd_soc_dapm_get_enum_double(struct snd_kcontrol *kcontrol,
ucontrol->value.enumerated.item[1] = val;
}
- return 0;
+ return ret;
}
EXPORT_SYMBOL_GPL(snd_soc_dapm_get_enum_double);
@@ -2852,8 +2880,8 @@ EXPORT_SYMBOL_GPL(snd_soc_dapm_get_enum_double);
int snd_soc_dapm_put_enum_double(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
- struct snd_soc_codec *codec = snd_soc_dapm_kcontrol_codec(kcontrol);
- struct snd_soc_card *card = codec->card;
+ 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 *item = ucontrol->value.enumerated.item;
unsigned int val, change;
@@ -2876,7 +2904,7 @@ int snd_soc_dapm_put_enum_double(struct snd_kcontrol *kcontrol,
mutex_lock_nested(&card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME);
if (e->reg != SND_SOC_NOPM)
- change = snd_soc_test_bits(codec, e->reg, mask, val);
+ change = soc_dapm_test_bits(dapm, e->reg, mask, val);
else
change = dapm_kcontrol_set_value(kcontrol, val);
generated by cgit (git 2.34.1) at 2024-05-23 20:24:17 +0000