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Diffstat (limited to 'sound/soc/soc-dapm.c')
-rw-r--r--sound/soc/soc-dapm.c412
1 files changed, 294 insertions, 118 deletions
diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c
index 1f55ded4047f..6241490fff30 100644
--- a/sound/soc/soc-dapm.c
+++ b/sound/soc/soc-dapm.c
@@ -14,19 +14,13 @@
* dynamic configuration of codec internal audio paths and active
* DACs/ADCs.
* o Platform power domain - can support external components i.e. amps and
- * mic/meadphone insertion events.
+ * mic/headphone insertion events.
* o Automatic Mic Bias support
* o Jack insertion power event initiation - e.g. hp insertion will enable
* sinks, dacs, etc
- * o Delayed powerdown of audio susbsystem to reduce pops between a quick
+ * o Delayed power down of audio subsystem to reduce pops between a quick
* device reopen.
*
- * Todo:
- * o DAPM power change sequencing - allow for configurable per
- * codec sequences.
- * o Support for analogue bias optimisation.
- * o Support for reduced codec oversampling rates.
- * o Support for reduced codec bias currents.
*/
#include <linux/module.h>
@@ -40,6 +34,7 @@
#include <linux/jiffies.h>
#include <linux/debugfs.h>
#include <linux/pm_runtime.h>
+#include <linux/regulator/consumer.h>
#include <linux/slab.h>
#include <sound/core.h>
#include <sound/pcm.h>
@@ -55,7 +50,9 @@
static int dapm_up_seq[] = {
[snd_soc_dapm_pre] = 0,
[snd_soc_dapm_supply] = 1,
+ [snd_soc_dapm_regulator_supply] = 1,
[snd_soc_dapm_micbias] = 2,
+ [snd_soc_dapm_dai] = 3,
[snd_soc_dapm_aif_in] = 3,
[snd_soc_dapm_aif_out] = 3,
[snd_soc_dapm_mic] = 4,
@@ -90,6 +87,8 @@ static int dapm_down_seq[] = {
[snd_soc_dapm_value_mux] = 9,
[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,
};
@@ -172,6 +171,19 @@ static inline struct snd_soc_card *dapm_get_soc_card(
return NULL;
}
+static void dapm_reset(struct snd_soc_card *card)
+{
+ struct snd_soc_dapm_widget *w;
+
+ memset(&card->dapm_stats, 0, sizeof(card->dapm_stats));
+
+ list_for_each_entry(w, &card->widgets, list) {
+ w->power_checked = false;
+ w->inputs = -1;
+ w->outputs = -1;
+ }
+}
+
static int soc_widget_read(struct snd_soc_dapm_widget *w, int reg)
{
if (w->codec)
@@ -197,21 +209,28 @@ static int soc_widget_write(struct snd_soc_dapm_widget *w, int reg, int val)
static int soc_widget_update_bits(struct snd_soc_dapm_widget *w,
unsigned short reg, unsigned int mask, unsigned int value)
{
- int change;
+ bool change;
unsigned int old, new;
int ret;
- ret = soc_widget_read(w, reg);
- if (ret < 0)
- return ret;
-
- old = ret;
- new = (old & ~mask) | (value & mask);
- change = old != new;
- if (change) {
- ret = soc_widget_write(w, reg, new);
+ if (w->codec && w->codec->using_regmap) {
+ ret = regmap_update_bits_check(w->codec->control_data,
+ reg, mask, value, &change);
+ if (ret != 0)
+ return ret;
+ } else {
+ ret = soc_widget_read(w, reg);
if (ret < 0)
return ret;
+
+ old = ret;
+ new = (old & ~mask) | (value & mask);
+ change = old != new;
+ if (change) {
+ ret = soc_widget_write(w, reg, new);
+ if (ret < 0)
+ return ret;
+ }
}
return change;
@@ -345,8 +364,10 @@ static void dapm_set_path_status(struct snd_soc_dapm_widget *w,
case snd_soc_dapm_micbias:
case snd_soc_dapm_vmid:
case snd_soc_dapm_supply:
+ case snd_soc_dapm_regulator_supply:
case snd_soc_dapm_aif_in:
case snd_soc_dapm_aif_out:
+ case snd_soc_dapm_dai:
case snd_soc_dapm_hp:
case snd_soc_dapm_mic:
case snd_soc_dapm_spk:
@@ -504,17 +525,17 @@ static int dapm_new_mixer(struct snd_soc_dapm_widget *w)
* for widgets so cut the prefix off
* the front of the widget name.
*/
- snprintf(path->long_name, name_len, "%s %s",
- w->name + prefix_len,
+ snprintf((char *)path->long_name, name_len,
+ "%s %s", w->name + prefix_len,
w->kcontrol_news[i].name);
break;
case snd_soc_dapm_mixer_named_ctl:
- snprintf(path->long_name, name_len, "%s",
- w->kcontrol_news[i].name);
+ snprintf((char *)path->long_name, name_len,
+ "%s", w->kcontrol_news[i].name);
break;
}
- path->long_name[name_len - 1] = '\0';
+ ((char *)path->long_name)[name_len - 1] = '\0';
path->kcontrol = snd_soc_cnew(&w->kcontrol_news[i],
wlist, path->long_name,
@@ -548,7 +569,7 @@ static int dapm_new_mux(struct snd_soc_dapm_widget *w)
struct snd_soc_dapm_widget_list *wlist;
int shared, wlistentries;
size_t wlistsize;
- char *name;
+ const char *name;
if (w->num_kcontrols != 1) {
dev_err(dapm->dev,
@@ -673,12 +694,18 @@ static int is_connected_output_ep(struct snd_soc_dapm_widget *widget)
DAPM_UPDATE_STAT(widget, path_checks);
- if (widget->id == snd_soc_dapm_supply)
+ switch (widget->id) {
+ case snd_soc_dapm_supply:
+ case snd_soc_dapm_regulator_supply:
return 0;
+ default:
+ break;
+ }
switch (widget->id) {
case snd_soc_dapm_adc:
case snd_soc_dapm_aif_out:
+ case snd_soc_dapm_dai:
if (widget->active) {
widget->outputs = snd_soc_dapm_suspend_check(widget);
return widget->outputs;
@@ -738,13 +765,19 @@ static int is_connected_input_ep(struct snd_soc_dapm_widget *widget)
DAPM_UPDATE_STAT(widget, path_checks);
- if (widget->id == snd_soc_dapm_supply)
+ switch (widget->id) {
+ case snd_soc_dapm_supply:
+ case snd_soc_dapm_regulator_supply:
return 0;
+ default:
+ break;
+ }
/* active stream ? */
switch (widget->id) {
case snd_soc_dapm_dac:
case snd_soc_dapm_aif_in:
+ case snd_soc_dapm_dai:
if (widget->active) {
widget->inputs = snd_soc_dapm_suspend_check(widget);
return widget->inputs;
@@ -821,6 +854,19 @@ int dapm_reg_event(struct snd_soc_dapm_widget *w,
}
EXPORT_SYMBOL_GPL(dapm_reg_event);
+/*
+ * Handler for regulator supply widget.
+ */
+int dapm_regulator_event(struct snd_soc_dapm_widget *w,
+ struct snd_kcontrol *kcontrol, int event)
+{
+ if (SND_SOC_DAPM_EVENT_ON(event))
+ return regulator_enable(w->priv);
+ else
+ return regulator_disable_deferred(w->priv, w->shift);
+}
+EXPORT_SYMBOL_GPL(dapm_regulator_event);
+
static int dapm_widget_power_check(struct snd_soc_dapm_widget *w)
{
if (w->power_checked)
@@ -851,6 +897,13 @@ static int dapm_generic_check_power(struct snd_soc_dapm_widget *w)
return out != 0 && in != 0;
}
+static int dapm_dai_check_power(struct snd_soc_dapm_widget *w)
+{
+ DAPM_UPDATE_STAT(w, power_checks);
+
+ return w->active;
+}
+
/* Check to see if an ADC has power */
static int dapm_adc_check_power(struct snd_soc_dapm_widget *w)
{
@@ -1251,7 +1304,7 @@ static void dapm_post_sequence_async(void *data, async_cookie_t cookie)
dev_err(d->dev, "Failed to turn off bias: %d\n", ret);
if (d->dev)
- pm_runtime_put_sync(d->dev);
+ pm_runtime_put(d->dev);
}
/* If we just powered up then move to active bias */
@@ -1301,6 +1354,7 @@ static void dapm_widget_set_power(struct snd_soc_dapm_widget *w, bool power,
}
switch (w->id) {
case snd_soc_dapm_supply:
+ case snd_soc_dapm_regulator_supply:
/* Supplies can't affect their outputs, only their inputs */
break;
default:
@@ -1373,13 +1427,7 @@ static int dapm_power_widgets(struct snd_soc_dapm_context *dapm, int event)
}
}
- memset(&card->dapm_stats, 0, sizeof(card->dapm_stats));
-
- list_for_each_entry(w, &card->widgets, list) {
- w->power_checked = false;
- w->inputs = -1;
- w->outputs = -1;
- }
+ dapm_reset(card);
/* Check which widgets we need to power and store them in
* lists indicating if they should be powered up or down. We
@@ -1400,10 +1448,15 @@ static int dapm_power_widgets(struct snd_soc_dapm_context *dapm, int event)
/* Supplies and micbiases only bring the
* context up to STANDBY as unless something
* else is active and passing audio they
- * generally don't require full power.
+ * generally don't require full power. Signal
+ * generators are virtual pins and have no
+ * power impact themselves.
*/
switch (w->id) {
+ case snd_soc_dapm_siggen:
+ break;
case snd_soc_dapm_supply:
+ case snd_soc_dapm_regulator_supply:
case snd_soc_dapm_micbias:
if (d->target_bias_level < SND_SOC_BIAS_STANDBY)
d->target_bias_level = SND_SOC_BIAS_STANDBY;
@@ -1475,6 +1528,12 @@ static int dapm_power_widgets(struct snd_soc_dapm_context *dapm, int event)
&async_domain);
async_synchronize_full_domain(&async_domain);
+ /* do we need to notify any clients that DAPM event is complete */
+ list_for_each_entry(d, &card->dapm_list, list) {
+ if (d->stream_event)
+ d->stream_event(d, event);
+ }
+
pop_dbg(dapm->dev, card->pop_time,
"DAPM sequencing finished, waiting %dms\n", card->pop_time);
pop_wait(card->pop_time);
@@ -1510,8 +1569,9 @@ static ssize_t dapm_widget_power_read_file(struct file *file,
out = is_connected_output_ep(w);
dapm_clear_walk(w->dapm);
- ret = snprintf(buf, PAGE_SIZE, "%s: %s in %d out %d",
- w->name, w->power ? "On" : "Off", in, out);
+ ret = snprintf(buf, PAGE_SIZE, "%s: %s%s in %d out %d",
+ w->name, w->power ? "On" : "Off",
+ w->force ? " (forced)" : "", in, out);
if (w->reg >= 0)
ret += snprintf(buf + ret, PAGE_SIZE - ret,
@@ -1607,7 +1667,7 @@ void snd_soc_dapm_debugfs_init(struct snd_soc_dapm_context *dapm,
dapm->debugfs_dapm = debugfs_create_dir("dapm", parent);
if (!dapm->debugfs_dapm) {
- printk(KERN_WARNING
+ dev_warn(dapm->dev,
"Failed to create DAPM debugfs directory\n");
return;
}
@@ -1659,9 +1719,8 @@ static inline void dapm_debugfs_cleanup(struct snd_soc_dapm_context *dapm)
#endif
/* test and update the power status of a mux widget */
-static int dapm_mux_update_power(struct snd_soc_dapm_widget *widget,
- struct snd_kcontrol *kcontrol, int change,
- int mux, struct soc_enum *e)
+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_dapm_path *path;
int found = 0;
@@ -1671,9 +1730,6 @@ static int dapm_mux_update_power(struct snd_soc_dapm_widget *widget,
widget->id != snd_soc_dapm_value_mux)
return -ENODEV;
- if (!change)
- return 0;
-
/* find dapm widget path assoc with kcontrol */
list_for_each_entry(path, &widget->dapm->card->paths, list) {
if (path->kcontrol != kcontrol)
@@ -1702,9 +1758,10 @@ static int dapm_mux_update_power(struct snd_soc_dapm_widget *widget,
return 0;
}
+EXPORT_SYMBOL_GPL(snd_soc_dapm_mux_update_power);
/* test and update the power status of a mixer or switch widget */
-static int dapm_mixer_update_power(struct snd_soc_dapm_widget *widget,
+int snd_soc_dapm_mixer_update_power(struct snd_soc_dapm_widget *widget,
struct snd_kcontrol *kcontrol, int connect)
{
struct snd_soc_dapm_path *path;
@@ -1733,6 +1790,7 @@ static int dapm_mixer_update_power(struct snd_soc_dapm_widget *widget,
return 0;
}
+EXPORT_SYMBOL_GPL(snd_soc_dapm_mixer_update_power);
/* show dapm widget status in sys fs */
static ssize_t dapm_widget_show(struct device *dev,
@@ -1762,6 +1820,7 @@ static ssize_t dapm_widget_show(struct device *dev,
case snd_soc_dapm_mixer:
case snd_soc_dapm_mixer_named_ctl:
case snd_soc_dapm_supply:
+ case snd_soc_dapm_regulator_supply:
if (w->name)
count += sprintf(buf + count, "%s: %s\n",
w->name, w->power ? "On":"Off");
@@ -1869,10 +1928,12 @@ static int snd_soc_dapm_set_pin(struct snd_soc_dapm_context *dapm,
return -EINVAL;
}
+ if (w->connected != status)
+ dapm_mark_dirty(w, "pin configuration");
+
w->connected = status;
if (status == 0)
w->force = 0;
- dapm_mark_dirty(w, "pin configuration");
return 0;
}
@@ -2000,8 +2061,10 @@ static int snd_soc_dapm_add_route(struct snd_soc_dapm_context *dapm,
case snd_soc_dapm_pre:
case snd_soc_dapm_post:
case snd_soc_dapm_supply:
+ case snd_soc_dapm_regulator_supply:
case snd_soc_dapm_aif_in:
case snd_soc_dapm_aif_out:
+ case snd_soc_dapm_dai:
list_add(&path->list, &dapm->card->paths);
list_add(&path->list_sink, &wsink->sources);
list_add(&path->list_source, &wsource->sinks);
@@ -2315,7 +2378,7 @@ int snd_soc_dapm_put_volsw(struct snd_kcontrol *kcontrol,
update.val = val;
widget->dapm->update = &update;
- dapm_mixer_update_power(widget, kcontrol, connect);
+ snd_soc_dapm_mixer_update_power(widget, kcontrol, connect);
widget->dapm->update = NULL;
}
@@ -2406,7 +2469,7 @@ int snd_soc_dapm_put_enum_double(struct snd_kcontrol *kcontrol,
update.val = val;
widget->dapm->update = &update;
- dapm_mux_update_power(widget, kcontrol, change, mux, e);
+ snd_soc_dapm_mux_update_power(widget, kcontrol, mux, e);
widget->dapm->update = NULL;
}
@@ -2467,8 +2530,7 @@ int snd_soc_dapm_put_enum_virt(struct snd_kcontrol *kcontrol,
widget->value = ucontrol->value.enumerated.item[0];
- dapm_mux_update_power(widget, kcontrol, change,
- widget->value, e);
+ snd_soc_dapm_mux_update_power(widget, kcontrol, widget->value, e);
}
}
@@ -2571,7 +2633,7 @@ int snd_soc_dapm_put_value_enum_double(struct snd_kcontrol *kcontrol,
update.val = val;
widget->dapm->update = &update;
- dapm_mux_update_power(widget, kcontrol, change, mux, e);
+ snd_soc_dapm_mux_update_power(widget, kcontrol, mux, e);
widget->dapm->update = NULL;
}
@@ -2611,15 +2673,15 @@ EXPORT_SYMBOL_GPL(snd_soc_dapm_info_pin_switch);
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);
+ struct snd_soc_card *card = snd_kcontrol_chip(kcontrol);
const char *pin = (const char *)kcontrol->private_value;
- mutex_lock(&codec->mutex);
+ mutex_lock(&card->mutex);
ucontrol->value.integer.value[0] =
- snd_soc_dapm_get_pin_status(&codec->dapm, pin);
+ snd_soc_dapm_get_pin_status(&card->dapm, pin);
- mutex_unlock(&codec->mutex);
+ mutex_unlock(&card->mutex);
return 0;
}
@@ -2634,41 +2696,48 @@ EXPORT_SYMBOL_GPL(snd_soc_dapm_get_pin_switch);
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);
+ struct snd_soc_card *card = snd_kcontrol_chip(kcontrol);
const char *pin = (const char *)kcontrol->private_value;
- mutex_lock(&codec->mutex);
+ mutex_lock(&card->mutex);
if (ucontrol->value.integer.value[0])
- snd_soc_dapm_enable_pin(&codec->dapm, pin);
+ snd_soc_dapm_enable_pin(&card->dapm, pin);
else
- snd_soc_dapm_disable_pin(&codec->dapm, pin);
+ snd_soc_dapm_disable_pin(&card->dapm, pin);
- snd_soc_dapm_sync(&codec->dapm);
+ snd_soc_dapm_sync(&card->dapm);
- mutex_unlock(&codec->mutex);
+ mutex_unlock(&card->mutex);
return 0;
}
EXPORT_SYMBOL_GPL(snd_soc_dapm_put_pin_switch);
-/**
- * snd_soc_dapm_new_control - create new dapm control
- * @dapm: DAPM context
- * @widget: widget template
- *
- * Creates a new dapm control based upon the template.
- *
- * Returns 0 for success else error.
- */
-int snd_soc_dapm_new_control(struct snd_soc_dapm_context *dapm,
- const struct snd_soc_dapm_widget *widget)
+static 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;
size_t name_len;
+ int ret;
if ((w = dapm_cnew_widget(widget)) == NULL)
- return -ENOMEM;
+ return NULL;
+
+ 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);
+ dev_err(dapm->dev, "Failed to request %s: %d\n",
+ w->name, ret);
+ return NULL;
+ }
+ break;
+ default:
+ break;
+ }
name_len = strlen(widget->name) + 1;
if (dapm->codec && dapm->codec->name_prefix)
@@ -2676,13 +2745,13 @@ int snd_soc_dapm_new_control(struct snd_soc_dapm_context *dapm,
w->name = kmalloc(name_len, GFP_KERNEL);
if (w->name == NULL) {
kfree(w);
- return -ENOMEM;
+ return NULL;
}
if (dapm->codec && dapm->codec->name_prefix)
- snprintf(w->name, name_len, "%s %s",
+ snprintf((char *)w->name, name_len, "%s %s",
dapm->codec->name_prefix, widget->name);
else
- snprintf(w->name, name_len, "%s", widget->name);
+ snprintf((char *)w->name, name_len, "%s", widget->name);
switch (w->id) {
case snd_soc_dapm_switch:
@@ -2715,8 +2784,12 @@ int snd_soc_dapm_new_control(struct snd_soc_dapm_context *dapm,
w->power_check = dapm_generic_check_power;
break;
case snd_soc_dapm_supply:
+ case snd_soc_dapm_regulator_supply:
w->power_check = dapm_supply_check_power;
break;
+ case snd_soc_dapm_dai:
+ w->power_check = dapm_dai_check_power;
+ break;
default:
w->power_check = dapm_always_on_check_power;
break;
@@ -2734,9 +2807,8 @@ int snd_soc_dapm_new_control(struct snd_soc_dapm_context *dapm,
/* machine layer set ups unconnected pins and insertions */
w->connected = 1;
- return 0;
+ return w;
}
-EXPORT_SYMBOL_GPL(snd_soc_dapm_new_control);
/**
* snd_soc_dapm_new_controls - create new dapm controls
@@ -2752,15 +2824,16 @@ int snd_soc_dapm_new_controls(struct snd_soc_dapm_context *dapm,
const struct snd_soc_dapm_widget *widget,
int num)
{
- int i, ret;
+ struct snd_soc_dapm_widget *w;
+ int i;
for (i = 0; i < num; i++) {
- ret = snd_soc_dapm_new_control(dapm, widget);
- if (ret < 0) {
+ w = snd_soc_dapm_new_control(dapm, widget);
+ if (!w) {
dev_err(dapm->dev,
- "ASoC: Failed to create DAPM control %s: %d\n",
- widget->name, ret);
- return ret;
+ "ASoC: Failed to create DAPM control %s\n",
+ widget->name);
+ return -ENOMEM;
}
widget++;
}
@@ -2768,40 +2841,140 @@ int snd_soc_dapm_new_controls(struct snd_soc_dapm_context *dapm,
}
EXPORT_SYMBOL_GPL(snd_soc_dapm_new_controls);
-static void soc_dapm_stream_event(struct snd_soc_dapm_context *dapm,
- const char *stream, int event)
+int snd_soc_dapm_new_dai_widgets(struct snd_soc_dapm_context *dapm,
+ struct snd_soc_dai *dai)
{
+ struct snd_soc_dapm_widget template;
struct snd_soc_dapm_widget *w;
- list_for_each_entry(w, &dapm->card->widgets, list)
- {
- if (!w->sname || w->dapm != dapm)
+ WARN_ON(dapm->dev != dai->dev);
+
+ memset(&template, 0, sizeof(template));
+ template.reg = SND_SOC_NOPM;
+
+ if (dai->driver->playback.stream_name) {
+ template.id = snd_soc_dapm_dai;
+ template.name = dai->driver->playback.stream_name;
+ template.sname = dai->driver->playback.stream_name;
+
+ dev_dbg(dai->dev, "adding %s widget\n",
+ template.name);
+
+ w = snd_soc_dapm_new_control(dapm, &template);
+ if (!w) {
+ dev_err(dapm->dev, "Failed to create %s widget\n",
+ dai->driver->playback.stream_name);
+ }
+
+ w->priv = dai;
+ dai->playback_widget = w;
+ }
+
+ if (dai->driver->capture.stream_name) {
+ template.id = snd_soc_dapm_dai;
+ template.name = dai->driver->capture.stream_name;
+ template.sname = dai->driver->capture.stream_name;
+
+ dev_dbg(dai->dev, "adding %s widget\n",
+ template.name);
+
+ w = snd_soc_dapm_new_control(dapm, &template);
+ if (!w) {
+ dev_err(dapm->dev, "Failed to create %s widget\n",
+ dai->driver->capture.stream_name);
+ }
+
+ w->priv = dai;
+ dai->capture_widget = w;
+ }
+
+ return 0;
+}
+
+int snd_soc_dapm_link_dai_widgets(struct snd_soc_card *card)
+{
+ struct snd_soc_dapm_widget *dai_w, *w;
+ struct snd_soc_dai *dai;
+ struct snd_soc_dapm_route r;
+
+ memset(&r, 0, sizeof(r));
+
+ /* For each DAI widget... */
+ list_for_each_entry(dai_w, &card->widgets, list) {
+ if (dai_w->id != snd_soc_dapm_dai)
continue;
- dev_vdbg(w->dapm->dev, "widget %s\n %s stream %s event %d\n",
- w->name, w->sname, stream, event);
- if (strstr(w->sname, stream)) {
- dapm_mark_dirty(w, "stream event");
- 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;
+
+ dai = dai_w->priv;
+
+ /* ...find all widgets with the same stream and link them */
+ list_for_each_entry(w, &card->widgets, list) {
+ if (w->dapm != dai_w->dapm)
+ continue;
+
+ if (w->id == snd_soc_dapm_dai)
+ continue;
+
+ if (!w->sname)
+ continue;
+
+ if (dai->driver->playback.stream_name &&
+ strstr(w->sname,
+ dai->driver->playback.stream_name)) {
+ r.source = dai->playback_widget->name;
+ r.sink = w->name;
+ dev_dbg(dai->dev, "%s -> %s\n",
+ r.source, r.sink);
+
+ snd_soc_dapm_add_route(w->dapm, &r);
+ }
+
+ if (dai->driver->capture.stream_name &&
+ strstr(w->sname,
+ dai->driver->capture.stream_name)) {
+ r.source = w->name;
+ r.sink = dai->capture_widget->name;
+ dev_dbg(dai->dev, "%s -> %s\n",
+ r.source, r.sink);
+
+ snd_soc_dapm_add_route(w->dapm, &r);
}
}
}
- dapm_power_widgets(dapm, event);
+ return 0;
+}
- /* do we need to notify any clients that DAPM stream is complete */
- if (dapm->stream_event)
- dapm->stream_event(dapm, event);
+static void soc_dapm_stream_event(struct snd_soc_dapm_context *dapm,
+ int stream, struct snd_soc_dai *dai,
+ int event)
+{
+ struct snd_soc_dapm_widget *w;
+
+ if (stream == SNDRV_PCM_STREAM_PLAYBACK)
+ w = dai->playback_widget;
+ else
+ w = dai->capture_widget;
+
+ if (!w)
+ return;
+
+ dapm_mark_dirty(w, "stream event");
+
+ 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_power_widgets(dapm, event);
}
/**
@@ -2815,16 +2988,13 @@ static void soc_dapm_stream_event(struct snd_soc_dapm_context *dapm,
*
* Returns 0 for success else error.
*/
-int snd_soc_dapm_stream_event(struct snd_soc_pcm_runtime *rtd,
- const char *stream, int event)
+int snd_soc_dapm_stream_event(struct snd_soc_pcm_runtime *rtd, int stream,
+ struct snd_soc_dai *dai, int event)
{
struct snd_soc_codec *codec = rtd->codec;
- if (stream == NULL)
- return 0;
-
mutex_lock(&codec->mutex);
- soc_dapm_stream_event(&codec->dapm, stream, event);
+ soc_dapm_stream_event(&codec->dapm, stream, dai, event);
mutex_unlock(&codec->mutex);
return 0;
}
@@ -3068,9 +3238,13 @@ static void soc_dapm_shutdown_codec(struct snd_soc_dapm_context *dapm)
* standby.
*/
if (powerdown) {
- snd_soc_dapm_set_bias_level(dapm, SND_SOC_BIAS_PREPARE);
+ if (dapm->bias_level == SND_SOC_BIAS_ON)
+ snd_soc_dapm_set_bias_level(dapm,
+ SND_SOC_BIAS_PREPARE);
dapm_seq_run(dapm, &down_list, 0, false);
- snd_soc_dapm_set_bias_level(dapm, SND_SOC_BIAS_STANDBY);
+ if (dapm->bias_level == SND_SOC_BIAS_PREPARE)
+ snd_soc_dapm_set_bias_level(dapm,
+ SND_SOC_BIAS_STANDBY);
}
}
@@ -3083,7 +3257,9 @@ void snd_soc_dapm_shutdown(struct snd_soc_card *card)
list_for_each_entry(codec, &card->codec_dev_list, list) {
soc_dapm_shutdown_codec(&codec->dapm);
- snd_soc_dapm_set_bias_level(&codec->dapm, SND_SOC_BIAS_OFF);
+ if (codec->dapm.bias_level == SND_SOC_BIAS_STANDBY)
+ snd_soc_dapm_set_bias_level(&codec->dapm,
+ SND_SOC_BIAS_OFF);
}
}
generated by cgit v1.2.3 (git 2.39.0) at 2024-12-28 21:23:08 +0300