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Diffstat (limited to 'sound/soc/soc-dapm.c')
-rw-r--r--sound/soc/soc-dapm.c264
1 files changed, 183 insertions, 81 deletions
diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c
index ad8ba8fbbaee..f26f9e9d7ce7 100644
--- a/sound/soc/soc-dapm.c
+++ b/sound/soc/soc-dapm.c
@@ -20,6 +20,7 @@
#include <linux/module.h>
#include <linux/init.h>
#include <linux/async.h>
+#include <linux/cleanup.h>
#include <linux/delay.h>
#include <linux/pm.h>
#include <linux/bitops.h>
@@ -316,16 +317,15 @@ void dapm_mark_endpoints_dirty(struct snd_soc_card *card)
snd_soc_dapm_mutex_unlock(card);
}
-EXPORT_SYMBOL_GPL(dapm_mark_endpoints_dirty);
/* create a new dapm widget */
static inline struct snd_soc_dapm_widget *dapm_cnew_widget(
const struct snd_soc_dapm_widget *_widget,
const char *prefix)
{
- struct snd_soc_dapm_widget *w;
-
- w = kmemdup(_widget, sizeof(*_widget), GFP_KERNEL);
+ struct snd_soc_dapm_widget *w __free(kfree) = kmemdup(_widget,
+ sizeof(*_widget),
+ GFP_KERNEL);
if (!w)
return NULL;
@@ -333,20 +333,18 @@ static inline struct snd_soc_dapm_widget *dapm_cnew_widget(
w->name = kasprintf(GFP_KERNEL, "%s %s", prefix, _widget->name);
else
w->name = kstrdup_const(_widget->name, GFP_KERNEL);
- if (!w->name) {
- kfree(w);
+ if (!w->name)
return NULL;
- }
if (_widget->sname) {
w->sname = kstrdup_const(_widget->sname, GFP_KERNEL);
if (!w->sname) {
kfree_const(w->name);
- kfree(w);
return NULL;
}
}
- return w;
+
+ return_ptr(w);
}
struct dapm_kcontrol_data {
@@ -731,7 +729,7 @@ static int snd_soc_dapm_set_bias_level(struct snd_soc_dapm_context *dapm,
if (ret != 0)
goto out;
- if (!card || dapm != &card->dapm)
+ if (dapm != &card->dapm)
ret = snd_soc_dapm_force_bias_level(dapm, level);
if (ret != 0)
@@ -1148,6 +1146,8 @@ static int dapm_widget_list_create(struct snd_soc_dapm_widget_list **list,
if (*list == NULL)
return -ENOMEM;
+ (*list)->num_widgets = size;
+
list_for_each_entry(w, widgets, work_list)
(*list)->widgets[i++] = w;
@@ -1743,9 +1743,8 @@ static void dapm_seq_run(struct snd_soc_card *card,
soc_dapm_async_complete(d);
}
-static void dapm_widget_update(struct snd_soc_card *card)
+static void dapm_widget_update(struct snd_soc_card *card, struct snd_soc_dapm_update *update)
{
- struct snd_soc_dapm_update *update = card->update;
struct snd_soc_dapm_widget_list *wlist;
struct snd_soc_dapm_widget *w = NULL;
unsigned int wi;
@@ -1951,7 +1950,8 @@ static bool dapm_idle_bias_off(struct snd_soc_dapm_context *dapm)
* o Input pin to Output pin (bypass, sidetone)
* o DAC to ADC (loopback).
*/
-static int dapm_power_widgets(struct snd_soc_card *card, int event)
+static int dapm_power_widgets(struct snd_soc_card *card, int event,
+ struct snd_soc_dapm_update *update)
{
struct snd_soc_dapm_widget *w;
struct snd_soc_dapm_context *d;
@@ -2059,7 +2059,7 @@ static int dapm_power_widgets(struct snd_soc_card *card, int event)
/* Power down widgets first; try to avoid amplifying pops. */
dapm_seq_run(card, &down_list, event, false);
- dapm_widget_update(card);
+ dapm_widget_update(card, update);
/* Now power up. */
dapm_seq_run(card, &up_list, event, true);
@@ -2094,6 +2094,48 @@ static int dapm_power_widgets(struct snd_soc_card *card, int event)
}
#ifdef CONFIG_DEBUG_FS
+
+static const char * const snd_soc_dapm_type_name[] = {
+ [snd_soc_dapm_input] = "input",
+ [snd_soc_dapm_output] = "output",
+ [snd_soc_dapm_mux] = "mux",
+ [snd_soc_dapm_demux] = "demux",
+ [snd_soc_dapm_mixer] = "mixer",
+ [snd_soc_dapm_mixer_named_ctl] = "mixer_named_ctl",
+ [snd_soc_dapm_pga] = "pga",
+ [snd_soc_dapm_out_drv] = "out_drv",
+ [snd_soc_dapm_adc] = "adc",
+ [snd_soc_dapm_dac] = "dac",
+ [snd_soc_dapm_micbias] = "micbias",
+ [snd_soc_dapm_mic] = "mic",
+ [snd_soc_dapm_hp] = "hp",
+ [snd_soc_dapm_spk] = "spk",
+ [snd_soc_dapm_line] = "line",
+ [snd_soc_dapm_switch] = "switch",
+ [snd_soc_dapm_vmid] = "vmid",
+ [snd_soc_dapm_pre] = "pre",
+ [snd_soc_dapm_post] = "post",
+ [snd_soc_dapm_supply] = "supply",
+ [snd_soc_dapm_pinctrl] = "pinctrl",
+ [snd_soc_dapm_regulator_supply] = "regulator_supply",
+ [snd_soc_dapm_clock_supply] = "clock_supply",
+ [snd_soc_dapm_aif_in] = "aif_in",
+ [snd_soc_dapm_aif_out] = "aif_out",
+ [snd_soc_dapm_siggen] = "siggen",
+ [snd_soc_dapm_sink] = "sink",
+ [snd_soc_dapm_dai_in] = "dai_in",
+ [snd_soc_dapm_dai_out] = "dai_out",
+ [snd_soc_dapm_dai_link] = "dai_link",
+ [snd_soc_dapm_kcontrol] = "kcontrol",
+ [snd_soc_dapm_buffer] = "buffer",
+ [snd_soc_dapm_scheduler] = "scheduler",
+ [snd_soc_dapm_effect] = "effect",
+ [snd_soc_dapm_src] = "src",
+ [snd_soc_dapm_asrc] = "asrc",
+ [snd_soc_dapm_encoder] = "encoder",
+ [snd_soc_dapm_decoder] = "decoder",
+};
+
static ssize_t dapm_widget_power_read_file(struct file *file,
char __user *user_buf,
size_t count, loff_t *ppos)
@@ -2104,6 +2146,9 @@ static ssize_t dapm_widget_power_read_file(struct file *file,
int in, out;
ssize_t ret;
struct snd_soc_dapm_path *p = NULL;
+ const char *c_name;
+
+ BUILD_BUG_ON(ARRAY_SIZE(snd_soc_dapm_type_name) != SND_SOC_DAPM_TYPE_COUNT);
buf = kmalloc(PAGE_SIZE, GFP_KERNEL);
if (!buf)
@@ -2136,6 +2181,9 @@ static ssize_t dapm_widget_power_read_file(struct file *file,
w->sname,
w->active ? "active" : "inactive");
+ ret += scnprintf(buf + ret, PAGE_SIZE - ret, " widget-type %s\n",
+ snd_soc_dapm_type_name[w->id]);
+
snd_soc_dapm_for_each_direction(dir) {
rdir = SND_SOC_DAPM_DIR_REVERSE(dir);
snd_soc_dapm_widget_for_each_path(w, dir, p) {
@@ -2145,11 +2193,13 @@ static ssize_t dapm_widget_power_read_file(struct file *file,
if (!p->connect)
continue;
+ c_name = p->node[rdir]->dapm->component ?
+ p->node[rdir]->dapm->component->name : NULL;
ret += scnprintf(buf + ret, PAGE_SIZE - ret,
- " %s \"%s\" \"%s\"\n",
+ " %s \"%s\" \"%s\" \"%s\"\n",
(rdir == SND_SOC_DAPM_DIR_IN) ? "in" : "out",
p->name ? p->name : "static",
- p->node[rdir]->name);
+ p->node[rdir]->name, c_name);
}
}
@@ -2205,7 +2255,7 @@ static const struct file_operations dapm_bias_fops = {
void snd_soc_dapm_debugfs_init(struct snd_soc_dapm_context *dapm,
struct dentry *parent)
{
- if (!parent || IS_ERR(parent))
+ if (IS_ERR_OR_NULL(parent))
return;
dapm->debugfs_dapm = debugfs_create_dir("dapm", parent);
@@ -2282,7 +2332,9 @@ static void soc_dapm_connect_path(struct snd_soc_dapm_path *path,
/* test and update the power status of a mux widget */
static int soc_dapm_mux_update_power(struct snd_soc_card *card,
- struct snd_kcontrol *kcontrol, int mux, struct soc_enum *e)
+ struct snd_kcontrol *kcontrol,
+ struct snd_soc_dapm_update *update,
+ int mux, struct soc_enum *e)
{
struct snd_soc_dapm_path *path;
int found = 0;
@@ -2303,7 +2355,7 @@ static int soc_dapm_mux_update_power(struct snd_soc_card *card,
}
if (found)
- dapm_power_widgets(card, SND_SOC_DAPM_STREAM_NOP);
+ dapm_power_widgets(card, SND_SOC_DAPM_STREAM_NOP, update);
return found;
}
@@ -2316,9 +2368,7 @@ int snd_soc_dapm_mux_update_power(struct snd_soc_dapm_context *dapm,
int ret;
snd_soc_dapm_mutex_lock(card);
- card->update = update;
- ret = soc_dapm_mux_update_power(card, kcontrol, mux, e);
- card->update = NULL;
+ ret = soc_dapm_mux_update_power(card, kcontrol, update, mux, e);
snd_soc_dapm_mutex_unlock(card);
if (ret > 0)
snd_soc_dpcm_runtime_update(card);
@@ -2329,6 +2379,7 @@ EXPORT_SYMBOL_GPL(snd_soc_dapm_mux_update_power);
/* test and update the power status of a mixer or switch widget */
static int soc_dapm_mixer_update_power(struct snd_soc_card *card,
struct snd_kcontrol *kcontrol,
+ struct snd_soc_dapm_update *update,
int connect, int rconnect)
{
struct snd_soc_dapm_path *path;
@@ -2368,7 +2419,7 @@ static int soc_dapm_mixer_update_power(struct snd_soc_card *card,
}
if (found)
- dapm_power_widgets(card, SND_SOC_DAPM_STREAM_NOP);
+ dapm_power_widgets(card, SND_SOC_DAPM_STREAM_NOP, update);
return found;
}
@@ -2381,9 +2432,7 @@ int snd_soc_dapm_mixer_update_power(struct snd_soc_dapm_context *dapm,
int ret;
snd_soc_dapm_mutex_lock(card);
- card->update = update;
- ret = soc_dapm_mixer_update_power(card, kcontrol, connect, -1);
- card->update = NULL;
+ ret = soc_dapm_mixer_update_power(card, kcontrol, update, connect, -1);
snd_soc_dapm_mutex_unlock(card);
if (ret > 0)
snd_soc_dpcm_runtime_update(card);
@@ -2639,7 +2688,7 @@ int snd_soc_dapm_sync_unlocked(struct snd_soc_dapm_context *dapm)
if (!snd_soc_card_is_instantiated(dapm->card))
return 0;
- return dapm_power_widgets(dapm->card, SND_SOC_DAPM_STREAM_NOP);
+ return dapm_power_widgets(dapm->card, SND_SOC_DAPM_STREAM_NOP, NULL);
}
EXPORT_SYMBOL_GPL(snd_soc_dapm_sync_unlocked);
@@ -2702,8 +2751,7 @@ static int dapm_update_dai_unlocked(struct snd_pcm_substream *substream,
if (!w)
return 0;
- dev_dbg(dai->dev, "Update DAI routes for %s %s\n", dai->name,
- dir == SNDRV_PCM_STREAM_PLAYBACK ? "playback" : "capture");
+ dev_dbg(dai->dev, "Update DAI routes for %s %s\n", dai->name, snd_pcm_direction_name(dir));
snd_soc_dapm_widget_for_each_sink_path(w, p) {
ret = dapm_update_dai_chan(p, p->sink, channels);
@@ -2733,14 +2781,13 @@ int snd_soc_dapm_update_dai(struct snd_pcm_substream *substream,
return ret;
}
-EXPORT_SYMBOL_GPL(snd_soc_dapm_update_dai);
int snd_soc_dapm_widget_name_cmp(struct snd_soc_dapm_widget *widget, const char *s)
{
- struct snd_soc_component *component = snd_soc_dapm_to_component(widget->dapm);
+ struct snd_soc_component *component = widget->dapm->component;
const char *wname = widget->name;
- if (component->name_prefix)
+ if (component && component->name_prefix)
wname += strlen(component->name_prefix) + 1; /* plus space */
return strcmp(wname, s);
@@ -3310,7 +3357,7 @@ int snd_soc_dapm_new_widgets(struct snd_soc_card *card)
dapm_debugfs_add_widget(w);
}
- dapm_power_widgets(card, SND_SOC_DAPM_STREAM_NOP);
+ dapm_power_widgets(card, SND_SOC_DAPM_STREAM_NOP, NULL);
snd_soc_dapm_mutex_unlock(card);
return 0;
}
@@ -3399,6 +3446,7 @@ int snd_soc_dapm_put_volsw(struct snd_kcontrol *kcontrol,
unsigned int val, rval = 0;
int connect, rconnect = -1, change, reg_change = 0;
struct snd_soc_dapm_update update = {};
+ struct snd_soc_dapm_update *pupdate = NULL;
int ret = 0;
val = (ucontrol->value.integer.value[0] & mask);
@@ -3447,13 +3495,9 @@ int snd_soc_dapm_put_volsw(struct snd_kcontrol *kcontrol,
update.reg = reg;
update.mask = mask << shift;
update.val = val;
- card->update = &update;
+ pupdate = &update;
}
-
- ret = soc_dapm_mixer_update_power(card, kcontrol, connect,
- rconnect);
-
- card->update = NULL;
+ ret = soc_dapm_mixer_update_power(card, kcontrol, pupdate, connect, rconnect);
}
snd_soc_dapm_mutex_unlock(card);
@@ -3520,6 +3564,7 @@ int snd_soc_dapm_put_enum_double(struct snd_kcontrol *kcontrol,
unsigned int val, change, reg_change = 0;
unsigned int mask;
struct snd_soc_dapm_update update = {};
+ struct snd_soc_dapm_update *pupdate = NULL;
int ret = 0;
if (item[0] >= e->items)
@@ -3547,12 +3592,9 @@ int snd_soc_dapm_put_enum_double(struct snd_kcontrol *kcontrol,
update.reg = e->reg;
update.mask = mask;
update.val = val;
- card->update = &update;
+ pupdate = &update;
}
-
- ret = soc_dapm_mux_update_power(card, kcontrol, item[0], e);
-
- card->update = NULL;
+ ret = soc_dapm_mux_update_power(card, kcontrol, pupdate, item[0], e);
}
snd_soc_dapm_mutex_unlock(card);
@@ -3584,11 +3626,25 @@ int snd_soc_dapm_info_pin_switch(struct snd_kcontrol *kcontrol,
}
EXPORT_SYMBOL_GPL(snd_soc_dapm_info_pin_switch);
+static int __snd_soc_dapm_get_pin_switch(struct snd_soc_dapm_context *dapm,
+ const char *pin,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ snd_soc_dapm_mutex_lock(dapm);
+ ucontrol->value.integer.value[0] = snd_soc_dapm_get_pin_status(dapm, pin);
+ snd_soc_dapm_mutex_unlock(dapm);
+
+ return 0;
+}
+
/**
* snd_soc_dapm_get_pin_switch - Get information for a pin switch
*
* @kcontrol: mixer control
* @ucontrol: Value
+ *
+ * Callback to provide information for a pin switch added at the card
+ * level.
*/
int snd_soc_dapm_get_pin_switch(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
@@ -3596,40 +3652,82 @@ int snd_soc_dapm_get_pin_switch(struct snd_kcontrol *kcontrol,
struct snd_soc_card *card = snd_kcontrol_chip(kcontrol);
const char *pin = (const char *)kcontrol->private_value;
- snd_soc_dapm_mutex_lock(card);
+ return __snd_soc_dapm_get_pin_switch(&card->dapm, pin, ucontrol);
+}
+EXPORT_SYMBOL_GPL(snd_soc_dapm_get_pin_switch);
- ucontrol->value.integer.value[0] =
- snd_soc_dapm_get_pin_status(&card->dapm, pin);
+/**
+ * snd_soc_dapm_get_component_pin_switch - Get information for a pin switch
+ *
+ * @kcontrol: mixer control
+ * @ucontrol: Value
+ *
+ * Callback to provide information for a pin switch added at the component
+ * level.
+ */
+int snd_soc_dapm_get_component_pin_switch(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
+ const char *pin = (const char *)kcontrol->private_value;
- snd_soc_dapm_mutex_unlock(card);
+ return __snd_soc_dapm_get_pin_switch(&component->dapm, pin, ucontrol);
+}
+EXPORT_SYMBOL_GPL(snd_soc_dapm_get_component_pin_switch);
- return 0;
+static int __snd_soc_dapm_put_pin_switch(struct snd_soc_dapm_context *dapm,
+ const char *pin,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ int ret;
+
+ snd_soc_dapm_mutex_lock(dapm);
+ ret = __snd_soc_dapm_set_pin(dapm, pin, !!ucontrol->value.integer.value[0]);
+ snd_soc_dapm_mutex_unlock(dapm);
+
+ snd_soc_dapm_sync(dapm);
+
+ return ret;
}
-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
+ *
+ * Callback to provide information for a pin switch added at the card
+ * level.
*/
int snd_soc_dapm_put_pin_switch(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_card *card = snd_kcontrol_chip(kcontrol);
const char *pin = (const char *)kcontrol->private_value;
- int ret;
- snd_soc_dapm_mutex_lock(card);
- ret = __snd_soc_dapm_set_pin(&card->dapm, pin,
- !!ucontrol->value.integer.value[0]);
- snd_soc_dapm_mutex_unlock(card);
-
- snd_soc_dapm_sync(&card->dapm);
- return ret;
+ return __snd_soc_dapm_put_pin_switch(&card->dapm, pin, ucontrol);
}
EXPORT_SYMBOL_GPL(snd_soc_dapm_put_pin_switch);
+/**
+ * snd_soc_dapm_put_component_pin_switch - Set information for a pin switch
+ *
+ * @kcontrol: mixer control
+ * @ucontrol: Value
+ *
+ * Callback to provide information for a pin switch added at the component
+ * level.
+ */
+int snd_soc_dapm_put_component_pin_switch(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
+ const char *pin = (const char *)kcontrol->private_value;
+
+ return __snd_soc_dapm_put_pin_switch(&component->dapm, pin, ucontrol);
+}
+EXPORT_SYMBOL_GPL(snd_soc_dapm_put_component_pin_switch);
+
struct snd_soc_dapm_widget *
snd_soc_dapm_new_control_unlocked(struct snd_soc_dapm_context *dapm,
const struct snd_soc_dapm_widget *widget)
@@ -3807,7 +3905,7 @@ EXPORT_SYMBOL_GPL(snd_soc_dapm_new_control);
*/
int snd_soc_dapm_new_controls(struct snd_soc_dapm_context *dapm,
const struct snd_soc_dapm_widget *widget,
- int num)
+ unsigned int num)
{
int i;
int ret = 0;
@@ -3833,11 +3931,10 @@ snd_soc_dai_link_event_pre_pmu(struct snd_soc_dapm_widget *w,
struct snd_soc_dapm_path *path;
struct snd_soc_dai *source, *sink;
struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
- struct snd_pcm_hw_params *params = NULL;
const struct snd_soc_pcm_stream *config = NULL;
struct snd_pcm_runtime *runtime = NULL;
unsigned int fmt;
- int ret = 0;
+ int ret;
/*
* NOTE
@@ -3848,15 +3945,14 @@ snd_soc_dai_link_event_pre_pmu(struct snd_soc_dapm_widget *w,
* stuff that increases stack usage.
* So, we use kzalloc()/kfree() for params in this function.
*/
- params = kzalloc(sizeof(*params), GFP_KERNEL);
+ struct snd_pcm_hw_params *params __free(kfree) = kzalloc(sizeof(*params),
+ GFP_KERNEL);
if (!params)
return -ENOMEM;
runtime = kzalloc(sizeof(*runtime), GFP_KERNEL);
- if (!runtime) {
- ret = -ENOMEM;
- goto out;
- }
+ if (!runtime)
+ return -ENOMEM;
substream->runtime = runtime;
@@ -3866,7 +3962,7 @@ snd_soc_dai_link_event_pre_pmu(struct snd_soc_dapm_widget *w,
ret = snd_soc_dai_startup(source, substream);
if (ret < 0)
- goto out;
+ return ret;
snd_soc_dai_activate(source, substream->stream);
}
@@ -3877,7 +3973,7 @@ snd_soc_dai_link_event_pre_pmu(struct snd_soc_dapm_widget *w,
ret = snd_soc_dai_startup(sink, substream);
if (ret < 0)
- goto out;
+ return ret;
snd_soc_dai_activate(sink, substream->stream);
}
@@ -3892,16 +3988,14 @@ snd_soc_dai_link_event_pre_pmu(struct snd_soc_dapm_widget *w,
config = rtd->dai_link->c2c_params + rtd->c2c_params_select;
if (!config) {
dev_err(w->dapm->dev, "ASoC: link config missing\n");
- ret = -EINVAL;
- goto out;
+ return -EINVAL;
}
/* Be a little careful as we don't want to overflow the mask array */
if (!config->formats) {
dev_warn(w->dapm->dev, "ASoC: Invalid format was specified\n");
- ret = -EINVAL;
- goto out;
+ return -EINVAL;
}
fmt = ffs(config->formats) - 1;
@@ -3922,7 +4016,7 @@ snd_soc_dai_link_event_pre_pmu(struct snd_soc_dapm_widget *w,
ret = snd_soc_dai_hw_params(source, substream, params);
if (ret < 0)
- goto out;
+ return ret;
dapm_update_dai_unlocked(substream, params, source);
}
@@ -3933,7 +4027,7 @@ snd_soc_dai_link_event_pre_pmu(struct snd_soc_dapm_widget *w,
ret = snd_soc_dai_hw_params(sink, substream, params);
if (ret < 0)
- goto out;
+ return ret;
dapm_update_dai_unlocked(substream, params, sink);
}
@@ -3943,11 +4037,7 @@ snd_soc_dai_link_event_pre_pmu(struct snd_soc_dapm_widget *w,
runtime->channels = params_channels(params);
runtime->rate = params_rate(params);
-out:
- /* see above NOTE */
- kfree(params);
-
- return ret;
+ return 0;
}
static int snd_soc_dai_link_event(struct snd_soc_dapm_widget *w,
@@ -3971,6 +4061,18 @@ static int snd_soc_dai_link_event(struct snd_soc_dapm_widget *w,
break;
case SND_SOC_DAPM_POST_PMU:
+ snd_soc_dapm_widget_for_each_source_path(w, path) {
+ source = path->source->priv;
+
+ snd_soc_dai_prepare(source, substream);
+ }
+
+ snd_soc_dapm_widget_for_each_sink_path(w, path) {
+ sink = path->sink->priv;
+
+ snd_soc_dai_prepare(sink, substream);
+ }
+
snd_soc_dapm_widget_for_each_sink_path(w, path) {
sink = path->sink->priv;
@@ -4016,6 +4118,7 @@ static int snd_soc_dai_link_event(struct snd_soc_dapm_widget *w,
case SND_SOC_DAPM_POST_PMD:
kfree(substream->runtime);
+ substream->runtime = NULL;
break;
default:
@@ -4473,7 +4576,7 @@ static void soc_dapm_stream_event(struct snd_soc_pcm_runtime *rtd, int stream,
for_each_rtd_dais(rtd, i, dai)
soc_dapm_dai_stream_event(dai, stream, event);
- dapm_power_widgets(rtd->card, event);
+ dapm_power_widgets(rtd->card, event, NULL);
}
/**
@@ -4810,7 +4913,6 @@ void snd_soc_dapm_init(struct snd_soc_dapm_context *dapm,
/* see for_each_card_dapms */
list_add(&dapm->list, &card->dapm_list);
}
-EXPORT_SYMBOL_GPL(snd_soc_dapm_init);
static void soc_dapm_shutdown_dapm(struct snd_soc_dapm_context *dapm)
{