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-rw-r--r--sound/soc/soc-core.c641
1 files changed, 238 insertions, 403 deletions
diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index 8ef0efeed0a7..068d809c349a 100644
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -45,11 +45,6 @@
#define NAME_SIZE 32
-#ifdef CONFIG_DEBUG_FS
-struct dentry *snd_soc_debugfs_root;
-EXPORT_SYMBOL_GPL(snd_soc_debugfs_root);
-#endif
-
static DEFINE_MUTEX(client_mutex);
static LIST_HEAD(component_list);
static LIST_HEAD(unbind_card_list);
@@ -73,23 +68,6 @@ static int pmdown_time = 5000;
module_param(pmdown_time, int, 0);
MODULE_PARM_DESC(pmdown_time, "DAPM stream powerdown time (msecs)");
-#ifdef CONFIG_DMI
-/*
- * If a DMI filed contain strings in this blacklist (e.g.
- * "Type2 - Board Manufacturer" or "Type1 - TBD by OEM"), it will be taken
- * as invalid and dropped when setting the card long name from DMI info.
- */
-static const char * const dmi_blacklist[] = {
- "To be filled by OEM",
- "TBD by OEM",
- "Default String",
- "Board Manufacturer",
- "Board Vendor Name",
- "Board Product Name",
- NULL, /* terminator */
-};
-#endif
-
static ssize_t pmdown_time_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
@@ -150,6 +128,9 @@ static const struct attribute_group *soc_dev_attr_groups[] = {
};
#ifdef CONFIG_DEBUG_FS
+struct dentry *snd_soc_debugfs_root;
+EXPORT_SYMBOL_GPL(snd_soc_debugfs_root);
+
static void soc_init_component_debugfs(struct snd_soc_component *component)
{
if (!component->card->debugfs_card_root)
@@ -277,49 +258,21 @@ static inline void snd_soc_debugfs_exit(void)
#endif
-/*
- * This is glue code between snd_pcm_lib_ioctl() and
- * snd_soc_component_driver :: ioctl
- */
-int snd_soc_pcm_lib_ioctl(struct snd_soc_component *component,
- struct snd_pcm_substream *substream,
- unsigned int cmd, void *arg)
-{
- return snd_pcm_lib_ioctl(substream, cmd, arg);
-}
-EXPORT_SYMBOL_GPL(snd_soc_pcm_lib_ioctl);
-
-static int snd_soc_rtdcom_add(struct snd_soc_pcm_runtime *rtd,
- struct snd_soc_component *component)
+static int snd_soc_rtd_add_component(struct snd_soc_pcm_runtime *rtd,
+ struct snd_soc_component *component)
{
- struct snd_soc_rtdcom_list *rtdcom;
struct snd_soc_component *comp;
+ int i;
- for_each_rtd_components(rtd, rtdcom, comp) {
+ for_each_rtd_components(rtd, i, comp) {
/* already connected */
if (comp == component)
return 0;
}
- /*
- * created rtdcom here will be freed when rtd->dev was freed.
- * see
- * soc_free_pcm_runtime() :: device_unregister(rtd->dev)
- */
- rtdcom = devm_kzalloc(rtd->dev, sizeof(*rtdcom), GFP_KERNEL);
- if (!rtdcom)
- return -ENOMEM;
-
- rtdcom->component = component;
- INIT_LIST_HEAD(&rtdcom->list);
-
- /*
- * When rtd was freed, created rtdcom here will be
- * also freed.
- * And we don't need to call list_del(&rtdcom->list)
- * when freed, because rtd is also freed.
- */
- list_add_tail(&rtdcom->list, &rtd->component_list);
+ /* see for_each_rtd_components */
+ rtd->components[rtd->num_components] = component;
+ rtd->num_components++;
return 0;
}
@@ -327,8 +280,8 @@ static int snd_soc_rtdcom_add(struct snd_soc_pcm_runtime *rtd,
struct snd_soc_component *snd_soc_rtdcom_lookup(struct snd_soc_pcm_runtime *rtd,
const char *driver_name)
{
- struct snd_soc_rtdcom_list *rtdcom;
struct snd_soc_component *component;
+ int i;
if (!driver_name)
return NULL;
@@ -341,7 +294,7 @@ struct snd_soc_component *snd_soc_rtdcom_lookup(struct snd_soc_pcm_runtime *rtd,
* But, if many components which have same driver name are connected
* to 1 rtd, this function will return 1st found component.
*/
- for_each_rtd_components(rtd, rtdcom, component) {
+ for_each_rtd_components(rtd, i, component) {
const char *component_name = component->driver->name;
if (!component_name)
@@ -349,7 +302,7 @@ struct snd_soc_component *snd_soc_rtdcom_lookup(struct snd_soc_pcm_runtime *rtd,
if ((component_name == driver_name) ||
strcmp(component_name, driver_name) == 0)
- return rtdcom->component;
+ return component;
}
return NULL;
@@ -389,22 +342,48 @@ struct snd_soc_component *snd_soc_lookup_component(struct device *dev,
}
EXPORT_SYMBOL_GPL(snd_soc_lookup_component);
-struct snd_pcm_substream *snd_soc_get_dai_substream(struct snd_soc_card *card,
- const char *dai_link, int stream)
+struct snd_soc_pcm_runtime
+*snd_soc_get_pcm_runtime(struct snd_soc_card *card,
+ struct snd_soc_dai_link *dai_link)
{
struct snd_soc_pcm_runtime *rtd;
for_each_card_rtds(card, rtd) {
- if (rtd->dai_link->no_pcm &&
- !strcmp(rtd->dai_link->name, dai_link))
- return rtd->pcm->streams[stream].substream;
+ if (rtd->dai_link == dai_link)
+ return rtd;
}
- dev_dbg(card->dev, "ASoC: failed to find dai link %s\n", dai_link);
+ dev_dbg(card->dev, "ASoC: failed to find rtd %s\n", dai_link->name);
return NULL;
}
-EXPORT_SYMBOL_GPL(snd_soc_get_dai_substream);
+EXPORT_SYMBOL_GPL(snd_soc_get_pcm_runtime);
-static const struct snd_soc_ops null_snd_soc_ops;
+/*
+ * Power down the audio subsystem pmdown_time msecs after close is called.
+ * This is to ensure there are no pops or clicks in between any music tracks
+ * due to DAPM power cycling.
+ */
+void snd_soc_close_delayed_work(struct snd_soc_pcm_runtime *rtd)
+{
+ struct snd_soc_dai *codec_dai = rtd->codec_dai;
+
+ mutex_lock_nested(&rtd->card->pcm_mutex, rtd->card->pcm_subclass);
+
+ dev_dbg(rtd->dev,
+ "ASoC: pop wq checking: %s status: %s waiting: %s\n",
+ codec_dai->driver->playback.stream_name,
+ codec_dai->playback_active ? "active" : "inactive",
+ rtd->pop_wait ? "yes" : "no");
+
+ /* are we waiting on this codec DAI stream */
+ if (rtd->pop_wait == 1) {
+ rtd->pop_wait = 0;
+ snd_soc_dapm_stream_event(rtd, SNDRV_PCM_STREAM_PLAYBACK,
+ SND_SOC_DAPM_STREAM_STOP);
+ }
+
+ mutex_unlock(&rtd->card->pcm_mutex);
+}
+EXPORT_SYMBOL_GPL(snd_soc_close_delayed_work);
static void soc_release_rtd_dev(struct device *dev)
{
@@ -449,6 +428,7 @@ static struct snd_soc_pcm_runtime *soc_new_pcm_runtime(
struct snd_soc_card *card, struct snd_soc_dai_link *dai_link)
{
struct snd_soc_pcm_runtime *rtd;
+ struct snd_soc_component *component;
struct device *dev;
int ret;
@@ -474,13 +454,17 @@ static struct snd_soc_pcm_runtime *soc_new_pcm_runtime(
/*
* for rtd
*/
- rtd = devm_kzalloc(dev, sizeof(*rtd), GFP_KERNEL);
+ rtd = devm_kzalloc(dev,
+ sizeof(*rtd) +
+ sizeof(*component) * (dai_link->num_cpus +
+ dai_link->num_codecs +
+ dai_link->num_platforms),
+ GFP_KERNEL);
if (!rtd)
goto free_rtd;
rtd->dev = dev;
INIT_LIST_HEAD(&rtd->list);
- INIT_LIST_HEAD(&rtd->component_list);
INIT_LIST_HEAD(&rtd->dpcm[SNDRV_PCM_STREAM_PLAYBACK].be_clients);
INIT_LIST_HEAD(&rtd->dpcm[SNDRV_PCM_STREAM_CAPTURE].be_clients);
INIT_LIST_HEAD(&rtd->dpcm[SNDRV_PCM_STREAM_PLAYBACK].fe_clients);
@@ -502,8 +486,6 @@ static struct snd_soc_pcm_runtime *soc_new_pcm_runtime(
*/
rtd->card = card;
rtd->dai_link = dai_link;
- if (!rtd->dai_link->ops)
- rtd->dai_link->ops = &null_snd_soc_ops;
/* see for_each_card_rtds */
list_add_tail(&rtd->list, &card->rtd_list);
@@ -517,20 +499,6 @@ free_rtd:
return NULL;
}
-struct snd_soc_pcm_runtime *snd_soc_get_pcm_runtime(struct snd_soc_card *card,
- const char *dai_link)
-{
- struct snd_soc_pcm_runtime *rtd;
-
- for_each_card_rtds(card, rtd) {
- if (!strcmp(rtd->dai_link->name, dai_link))
- return rtd;
- }
- dev_dbg(card->dev, "ASoC: failed to find rtd %s\n", dai_link);
- return NULL;
-}
-EXPORT_SYMBOL_GPL(snd_soc_get_pcm_runtime);
-
static void snd_soc_flush_all_delayed_work(struct snd_soc_card *card)
{
struct snd_soc_pcm_runtime *rtd;
@@ -586,16 +554,6 @@ int snd_soc_suspend(struct device *dev)
if (card->suspend_pre)
card->suspend_pre(card);
- for_each_card_rtds(card, rtd) {
- struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
-
- if (rtd->dai_link->ignore_suspend)
- continue;
-
- if (!cpu_dai->driver->bus_control)
- snd_soc_dai_suspend(cpu_dai);
- }
-
/* close any waiting streams */
snd_soc_flush_all_delayed_work(card);
@@ -618,15 +576,25 @@ int snd_soc_suspend(struct device *dev)
snd_soc_dapm_sync(&card->dapm);
/* suspend all COMPONENTs */
- for_each_card_components(card, component) {
- struct snd_soc_dapm_context *dapm =
+ for_each_card_rtds(card, rtd) {
+
+ if (rtd->dai_link->ignore_suspend)
+ continue;
+
+ for_each_rtd_components(rtd, i, component) {
+ struct snd_soc_dapm_context *dapm =
snd_soc_component_get_dapm(component);
- /*
- * If there are paths active then the COMPONENT will be held
- * with bias _ON and should not be suspended.
- */
- if (!snd_soc_component_is_suspended(component)) {
+ /*
+ * ignore if component was already suspended
+ */
+ if (snd_soc_component_is_suspended(component))
+ continue;
+
+ /*
+ * If there are paths active then the COMPONENT will be
+ * held with bias _ON and should not be suspended.
+ */
switch (snd_soc_dapm_get_bias_level(dapm)) {
case SND_SOC_BIAS_STANDBY:
/*
@@ -657,19 +625,6 @@ int snd_soc_suspend(struct device *dev)
}
}
- for_each_card_rtds(card, rtd) {
- struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
-
- if (rtd->dai_link->ignore_suspend)
- continue;
-
- if (cpu_dai->driver->bus_control)
- snd_soc_dai_suspend(cpu_dai);
-
- /* deactivate pins to sleep state */
- pinctrl_pm_select_sleep_state(cpu_dai->dev);
- }
-
if (card->suspend_post)
card->suspend_post(card);
@@ -703,17 +658,6 @@ static void soc_resume_deferred(struct work_struct *work)
if (card->resume_pre)
card->resume_pre(card);
- /* resume control bus DAIs */
- for_each_card_rtds(card, rtd) {
- struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
-
- if (rtd->dai_link->ignore_suspend)
- continue;
-
- if (cpu_dai->driver->bus_control)
- snd_soc_dai_resume(cpu_dai);
- }
-
for_each_card_components(card, component) {
if (snd_soc_component_is_suspended(component))
snd_soc_component_resume(component);
@@ -747,16 +691,6 @@ static void soc_resume_deferred(struct work_struct *work)
}
}
- for_each_card_rtds(card, rtd) {
- struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
-
- if (rtd->dai_link->ignore_suspend)
- continue;
-
- if (!cpu_dai->driver->bus_control)
- snd_soc_dai_resume(cpu_dai);
- }
-
if (card->resume_post)
card->resume_post(card);
@@ -774,47 +708,20 @@ static void soc_resume_deferred(struct work_struct *work)
int snd_soc_resume(struct device *dev)
{
struct snd_soc_card *card = dev_get_drvdata(dev);
- bool bus_control = false;
- struct snd_soc_pcm_runtime *rtd;
- struct snd_soc_dai *codec_dai;
- int i;
+ struct snd_soc_component *component;
/* If the card is not initialized yet there is nothing to do */
if (!card->instantiated)
return 0;
/* activate pins from sleep state */
- for_each_card_rtds(card, rtd) {
- struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
-
- if (cpu_dai->active)
- pinctrl_pm_select_default_state(cpu_dai->dev);
+ for_each_card_components(card, component)
+ if (component->active)
+ pinctrl_pm_select_default_state(component->dev);
- for_each_rtd_codec_dai(rtd, i, codec_dai) {
- if (codec_dai->active)
- pinctrl_pm_select_default_state(codec_dai->dev);
- }
- }
-
- /*
- * DAIs that also act as the control bus master might have other drivers
- * hanging off them so need to resume immediately. Other drivers don't
- * have that problem and may take a substantial amount of time to resume
- * due to I/O costs and anti-pop so handle them out of line.
- */
- for_each_card_rtds(card, rtd) {
- struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
-
- bus_control |= cpu_dai->driver->bus_control;
- }
- if (bus_control) {
- dev_dbg(dev, "ASoC: Resuming control bus master immediately\n");
- soc_resume_deferred(&card->deferred_resume_work);
- } else {
- dev_dbg(dev, "ASoC: Scheduling resume work\n");
- if (!schedule_work(&card->deferred_resume_work))
- dev_err(dev, "ASoC: resume work item may be lost\n");
- }
+ dev_dbg(dev, "ASoC: Scheduling resume work\n");
+ if (!schedule_work(&card->deferred_resume_work))
+ dev_err(dev, "ASoC: resume work item may be lost\n");
return 0;
}
@@ -926,47 +833,6 @@ struct snd_soc_dai *snd_soc_find_dai(
}
EXPORT_SYMBOL_GPL(snd_soc_find_dai);
-/**
- * snd_soc_find_dai_link - Find a DAI link
- *
- * @card: soc card
- * @id: DAI link ID to match
- * @name: DAI link name to match, optional
- * @stream_name: DAI link stream name to match, optional
- *
- * This function will search all existing DAI links of the soc card to
- * find the link of the same ID. Since DAI links may not have their
- * unique ID, so name and stream name should also match if being
- * specified.
- *
- * Return: pointer of DAI link, or NULL if not found.
- */
-struct snd_soc_dai_link *snd_soc_find_dai_link(struct snd_soc_card *card,
- int id, const char *name,
- const char *stream_name)
-{
- struct snd_soc_dai_link *link;
-
- lockdep_assert_held(&client_mutex);
-
- for_each_card_links(card, link) {
- if (link->id != id)
- continue;
-
- if (name && (!link->name || strcmp(name, link->name)))
- continue;
-
- if (stream_name && (!link->stream_name
- || strcmp(stream_name, link->stream_name)))
- continue;
-
- return link;
- }
-
- return NULL;
-}
-EXPORT_SYMBOL_GPL(snd_soc_find_dai_link);
-
static int soc_dai_link_sanity_check(struct snd_soc_card *card,
struct snd_soc_dai_link *link)
{
@@ -1064,49 +930,40 @@ static int soc_dai_link_sanity_check(struct snd_soc_card *card,
}
/**
- * snd_soc_remove_dai_link - Remove a DAI link from the list
- * @card: The ASoC card that owns the link
- * @dai_link: The DAI link to remove
+ * snd_soc_remove_pcm_runtime - Remove a pcm_runtime from card
+ * @card: The ASoC card to which the pcm_runtime has
+ * @rtd: The pcm_runtime to remove
*
- * This function removes a DAI link from the ASoC card's link list.
- *
- * For DAI links previously added by topology, topology should
- * remove them by using the dobj embedded in the link.
+ * This function removes a pcm_runtime from the ASoC card.
*/
-void snd_soc_remove_dai_link(struct snd_soc_card *card,
- struct snd_soc_dai_link *dai_link)
+void snd_soc_remove_pcm_runtime(struct snd_soc_card *card,
+ struct snd_soc_pcm_runtime *rtd)
{
- struct snd_soc_pcm_runtime *rtd;
-
lockdep_assert_held(&client_mutex);
/*
* Notify the machine driver for extra destruction
*/
if (card->remove_dai_link)
- card->remove_dai_link(card, dai_link);
-
- list_del(&dai_link->list);
+ card->remove_dai_link(card, rtd->dai_link);
- rtd = snd_soc_get_pcm_runtime(card, dai_link->name);
- if (rtd)
- soc_free_pcm_runtime(rtd);
+ soc_free_pcm_runtime(rtd);
}
-EXPORT_SYMBOL_GPL(snd_soc_remove_dai_link);
+EXPORT_SYMBOL_GPL(snd_soc_remove_pcm_runtime);
/**
- * snd_soc_add_dai_link - Add a DAI link dynamically
- * @card: The ASoC card to which the DAI link is added
- * @dai_link: The new DAI link to add
+ * snd_soc_add_pcm_runtime - Add a pcm_runtime dynamically via dai_link
+ * @card: The ASoC card to which the pcm_runtime is added
+ * @dai_link: The DAI link to find pcm_runtime
*
- * This function adds a DAI link to the ASoC card's link list.
+ * This function adds a pcm_runtime ASoC card by using dai_link.
*
- * Note: Topology can use this API to add DAI links when probing the
+ * Note: Topology can use this API to add pcm_runtime when probing the
* topology component. And machine drivers can still define static
* DAI links in dai_link array.
*/
-int snd_soc_add_dai_link(struct snd_soc_card *card,
- struct snd_soc_dai_link *dai_link)
+int snd_soc_add_pcm_runtime(struct snd_soc_card *card,
+ struct snd_soc_dai_link *dai_link)
{
struct snd_soc_pcm_runtime *rtd;
struct snd_soc_dai_link_component *codec, *platform;
@@ -1141,7 +998,7 @@ int snd_soc_add_dai_link(struct snd_soc_card *card,
dai_link->cpus->dai_name);
goto _err_defer;
}
- snd_soc_rtdcom_add(rtd, rtd->cpu_dai->component);
+ snd_soc_rtd_add_component(rtd, rtd->cpu_dai->component);
/* Find CODEC from registered CODECs */
rtd->num_codecs = dai_link->num_codecs;
@@ -1153,7 +1010,7 @@ int snd_soc_add_dai_link(struct snd_soc_card *card,
goto _err_defer;
}
- snd_soc_rtdcom_add(rtd, rtd->codec_dais[i]->component);
+ snd_soc_rtd_add_component(rtd, rtd->codec_dais[i]->component);
}
/* Single codec links expect codec and codec_dai in runtime data */
@@ -1165,54 +1022,135 @@ int snd_soc_add_dai_link(struct snd_soc_card *card,
if (!snd_soc_is_matching_component(platform, component))
continue;
- snd_soc_rtdcom_add(rtd, component);
+ snd_soc_rtd_add_component(rtd, component);
}
}
- /* see for_each_card_links */
- list_add_tail(&dai_link->list, &card->dai_link_list);
-
return 0;
_err_defer:
- soc_free_pcm_runtime(rtd);
+ snd_soc_remove_pcm_runtime(card, rtd);
return -EPROBE_DEFER;
}
-EXPORT_SYMBOL_GPL(snd_soc_add_dai_link);
+EXPORT_SYMBOL_GPL(snd_soc_add_pcm_runtime);
-static void soc_set_of_name_prefix(struct snd_soc_component *component)
+static int soc_dai_pcm_new(struct snd_soc_dai **dais, int num_dais,
+ struct snd_soc_pcm_runtime *rtd)
{
- struct device_node *of_node = soc_component_to_node(component);
- const char *str;
- int ret;
+ int i, ret = 0;
- ret = of_property_read_string(of_node, "sound-name-prefix", &str);
- if (!ret)
- component->name_prefix = str;
+ for (i = 0; i < num_dais; ++i) {
+ struct snd_soc_dai_driver *drv = dais[i]->driver;
+
+ if (drv->pcm_new)
+ ret = drv->pcm_new(rtd, dais[i]);
+ if (ret < 0) {
+ dev_err(dais[i]->dev,
+ "ASoC: Failed to bind %s with pcm device\n",
+ dais[i]->name);
+ return ret;
+ }
+ }
+
+ return 0;
+}
+
+static int soc_init_pcm_runtime(struct snd_soc_card *card,
+ struct snd_soc_pcm_runtime *rtd)
+{
+ struct snd_soc_dai_link *dai_link = rtd->dai_link;
+ struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
+ struct snd_soc_component *component;
+ int ret, num, i;
+
+ /* set default power off timeout */
+ rtd->pmdown_time = pmdown_time;
+
+ /* do machine specific initialization */
+ if (dai_link->init) {
+ ret = dai_link->init(rtd);
+ if (ret < 0) {
+ dev_err(card->dev, "ASoC: failed to init %s: %d\n",
+ dai_link->name, ret);
+ return ret;
+ }
+ }
+
+ if (dai_link->dai_fmt) {
+ ret = snd_soc_runtime_set_dai_fmt(rtd, dai_link->dai_fmt);
+ if (ret)
+ return ret;
+ }
+
+ /* add DPCM sysfs entries */
+ soc_dpcm_debugfs_add(rtd);
+
+ num = rtd->num;
+
+ /*
+ * most drivers will register their PCMs using DAI link ordering but
+ * topology based drivers can use the DAI link id field to set PCM
+ * device number and then use rtd + a base offset of the BEs.
+ */
+ for_each_rtd_components(rtd, i, component) {
+ if (!component->driver->use_dai_pcm_id)
+ continue;
+
+ if (rtd->dai_link->no_pcm)
+ num += component->driver->be_pcm_base;
+ else
+ num = rtd->dai_link->id;
+ }
+
+ /* create compress_device if possible */
+ ret = snd_soc_dai_compress_new(cpu_dai, rtd, num);
+ if (ret != -ENOTSUPP) {
+ if (ret < 0)
+ dev_err(card->dev, "ASoC: can't create compress %s\n",
+ dai_link->stream_name);
+ return ret;
+ }
+
+ /* create the pcm */
+ ret = soc_new_pcm(rtd, num);
+ if (ret < 0) {
+ dev_err(card->dev, "ASoC: can't create pcm %s :%d\n",
+ dai_link->stream_name, ret);
+ return ret;
+ }
+ ret = soc_dai_pcm_new(&cpu_dai, 1, rtd);
+ if (ret < 0)
+ return ret;
+ ret = soc_dai_pcm_new(rtd->codec_dais,
+ rtd->num_codecs, rtd);
+ return ret;
}
static void soc_set_name_prefix(struct snd_soc_card *card,
struct snd_soc_component *component)
{
- int i;
+ struct device_node *of_node = soc_component_to_node(component);
+ const char *str;
+ int ret, i;
- for (i = 0; i < card->num_configs && card->codec_conf; i++) {
+ for (i = 0; i < card->num_configs; i++) {
struct snd_soc_codec_conf *map = &card->codec_conf[i];
- struct device_node *of_node = soc_component_to_node(component);
- if (map->of_node && of_node != map->of_node)
- continue;
- if (map->dev_name && strcmp(component->name, map->dev_name))
- continue;
- component->name_prefix = map->name_prefix;
- return;
+ if (snd_soc_is_matching_component(&map->dlc, component)) {
+ component->name_prefix = map->name_prefix;
+ return;
+ }
}
/*
* If there is no configuration table or no match in the table,
* check if a prefix is provided in the node
*/
- soc_set_of_name_prefix(component);
+ ret = of_property_read_string(of_node, "sound-name-prefix", &str);
+ if (ret < 0)
+ return;
+
+ component->name_prefix = str;
}
static void soc_remove_component(struct snd_soc_component *component,
@@ -1419,12 +1357,11 @@ static void soc_remove_link_components(struct snd_soc_card *card)
{
struct snd_soc_component *component;
struct snd_soc_pcm_runtime *rtd;
- struct snd_soc_rtdcom_list *rtdcom;
- int order;
+ int i, order;
for_each_comp_order(order) {
for_each_card_rtds(card, rtd) {
- for_each_rtd_components(rtd, rtdcom, component) {
+ for_each_rtd_components(rtd, i, component) {
if (component->driver->remove_order != order)
continue;
@@ -1438,12 +1375,11 @@ static int soc_probe_link_components(struct snd_soc_card *card)
{
struct snd_soc_component *component;
struct snd_soc_pcm_runtime *rtd;
- struct snd_soc_rtdcom_list *rtdcom;
- int ret, order;
+ int i, ret, order;
for_each_comp_order(order) {
for_each_card_rtds(card, rtd) {
- for_each_rtd_components(rtd, rtdcom, component) {
+ for_each_rtd_components(rtd, i, component) {
if (component->driver->probe_order != order)
continue;
@@ -1457,111 +1393,6 @@ static int soc_probe_link_components(struct snd_soc_card *card)
return 0;
}
-void snd_soc_disconnect_sync(struct device *dev)
-{
- struct snd_soc_component *component =
- snd_soc_lookup_component(dev, NULL);
-
- if (!component || !component->card)
- return;
-
- snd_card_disconnect_sync(component->card->snd_card);
-}
-EXPORT_SYMBOL_GPL(snd_soc_disconnect_sync);
-
-static int soc_link_dai_pcm_new(struct snd_soc_dai **dais, int num_dais,
- struct snd_soc_pcm_runtime *rtd)
-{
- int i, ret = 0;
-
- for (i = 0; i < num_dais; ++i) {
- struct snd_soc_dai_driver *drv = dais[i]->driver;
-
- if (drv->pcm_new)
- ret = drv->pcm_new(rtd, dais[i]);
- if (ret < 0) {
- dev_err(dais[i]->dev,
- "ASoC: Failed to bind %s with pcm device\n",
- dais[i]->name);
- return ret;
- }
- }
-
- return 0;
-}
-
-static int soc_link_init(struct snd_soc_card *card,
- struct snd_soc_pcm_runtime *rtd)
-{
- struct snd_soc_dai_link *dai_link = rtd->dai_link;
- struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
- struct snd_soc_rtdcom_list *rtdcom;
- struct snd_soc_component *component;
- int ret, num;
-
- /* set default power off timeout */
- rtd->pmdown_time = pmdown_time;
-
- /* do machine specific initialization */
- if (dai_link->init) {
- ret = dai_link->init(rtd);
- if (ret < 0) {
- dev_err(card->dev, "ASoC: failed to init %s: %d\n",
- dai_link->name, ret);
- return ret;
- }
- }
-
- if (dai_link->dai_fmt) {
- ret = snd_soc_runtime_set_dai_fmt(rtd, dai_link->dai_fmt);
- if (ret)
- return ret;
- }
-
- /* add DPCM sysfs entries */
- soc_dpcm_debugfs_add(rtd);
-
- num = rtd->num;
-
- /*
- * most drivers will register their PCMs using DAI link ordering but
- * topology based drivers can use the DAI link id field to set PCM
- * device number and then use rtd + a base offset of the BEs.
- */
- for_each_rtd_components(rtd, rtdcom, component) {
- if (!component->driver->use_dai_pcm_id)
- continue;
-
- if (rtd->dai_link->no_pcm)
- num += component->driver->be_pcm_base;
- else
- num = rtd->dai_link->id;
- }
-
- /* create compress_device if possible */
- ret = snd_soc_dai_compress_new(cpu_dai, rtd, num);
- if (ret != -ENOTSUPP) {
- if (ret < 0)
- dev_err(card->dev, "ASoC: can't create compress %s\n",
- dai_link->stream_name);
- return ret;
- }
-
- /* create the pcm */
- ret = soc_new_pcm(rtd, num);
- if (ret < 0) {
- dev_err(card->dev, "ASoC: can't create pcm %s :%d\n",
- dai_link->stream_name, ret);
- return ret;
- }
- ret = soc_link_dai_pcm_new(&cpu_dai, 1, rtd);
- if (ret < 0)
- return ret;
- ret = soc_link_dai_pcm_new(rtd->codec_dais,
- rtd->num_codecs, rtd);
- return ret;
-}
-
static void soc_unbind_aux_dev(struct snd_soc_card *card)
{
struct snd_soc_component *component, *_component;
@@ -1693,6 +1524,21 @@ EXPORT_SYMBOL_GPL(snd_soc_runtime_set_dai_fmt);
#ifdef CONFIG_DMI
/*
+ * If a DMI filed contain strings in this blacklist (e.g.
+ * "Type2 - Board Manufacturer" or "Type1 - TBD by OEM"), it will be taken
+ * as invalid and dropped when setting the card long name from DMI info.
+ */
+static const char * const dmi_blacklist[] = {
+ "To be filled by OEM",
+ "TBD by OEM",
+ "Default String",
+ "Board Manufacturer",
+ "Board Vendor Name",
+ "Board Product Name",
+ NULL, /* terminator */
+};
+
+/*
* Trim special characters, and replace '-' with '_' since '-' is used to
* separate different DMI fields in the card long name. Only number and
* alphabet characters and a few separator characters are kept.
@@ -1944,7 +1790,7 @@ static void __soc_setup_card_name(char *name, int len,
static void soc_cleanup_card_resources(struct snd_soc_card *card,
int card_probed)
{
- struct snd_soc_dai_link *link, *_link;
+ struct snd_soc_pcm_runtime *rtd, *n;
if (card->snd_card)
snd_card_disconnect_sync(card->snd_card);
@@ -1955,8 +1801,8 @@ static void soc_cleanup_card_resources(struct snd_soc_card *card,
soc_remove_link_dais(card);
soc_remove_link_components(card);
- for_each_card_links_safe(card, link, _link)
- snd_soc_remove_dai_link(card, link);
+ for_each_card_rtds_safe(card, rtd, n)
+ snd_soc_remove_pcm_runtime(card, rtd);
/* remove auxiliary devices */
soc_remove_aux_devices(card);
@@ -1995,6 +1841,7 @@ static void snd_soc_unbind_card(struct snd_soc_card *card, bool unregister)
static int snd_soc_bind_card(struct snd_soc_card *card)
{
struct snd_soc_pcm_runtime *rtd;
+ struct snd_soc_component *component;
struct snd_soc_dai_link *dai_link;
int ret, i, card_probed = 0;
@@ -2014,7 +1861,7 @@ static int snd_soc_bind_card(struct snd_soc_card *card)
/* add predefined DAI links to the list */
card->num_rtd = 0;
for_each_card_prelinks(card, i, dai_link) {
- ret = snd_soc_add_dai_link(card, dai_link);
+ ret = snd_soc_add_pcm_runtime(card, dai_link);
if (ret < 0)
goto probe_end;
}
@@ -2075,8 +1922,11 @@ static int snd_soc_bind_card(struct snd_soc_card *card)
goto probe_end;
}
- for_each_card_rtds(card, rtd)
- soc_link_init(card, rtd);
+ for_each_card_rtds(card, rtd) {
+ ret = soc_init_pcm_runtime(card, rtd);
+ if (ret < 0)
+ goto probe_end;
+ }
snd_soc_dapm_link_dai_widgets(card);
snd_soc_dapm_connect_dai_link_widgets(card);
@@ -2143,17 +1993,9 @@ static int snd_soc_bind_card(struct snd_soc_card *card)
snd_soc_dapm_sync(&card->dapm);
/* deactivate pins to sleep state */
- for_each_card_rtds(card, rtd) {
- struct snd_soc_dai *dai;
-
- for_each_rtd_codec_dai(rtd, i, dai) {
- if (!dai->active)
- pinctrl_pm_select_sleep_state(dai->dev);
- }
-
- if (!rtd->cpu_dai->active)
- pinctrl_pm_select_sleep_state(rtd->cpu_dai->dev);
- }
+ for_each_card_components(card, component)
+ if (!component->active)
+ pinctrl_pm_select_sleep_state(component->dev);
probe_end:
if (ret < 0)
@@ -2199,7 +2041,7 @@ static int soc_remove(struct platform_device *pdev)
int snd_soc_poweroff(struct device *dev)
{
struct snd_soc_card *card = dev_get_drvdata(dev);
- struct snd_soc_pcm_runtime *rtd;
+ struct snd_soc_component *component;
if (!card->instantiated)
return 0;
@@ -2213,16 +2055,8 @@ int snd_soc_poweroff(struct device *dev)
snd_soc_dapm_shutdown(card);
/* deactivate pins to sleep state */
- for_each_card_rtds(card, rtd) {
- struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
- struct snd_soc_dai *codec_dai;
- int i;
-
- pinctrl_pm_select_sleep_state(cpu_dai->dev);
- for_each_rtd_codec_dai(rtd, i, codec_dai) {
- pinctrl_pm_select_sleep_state(codec_dai->dev);
- }
- }
+ for_each_card_components(card, component)
+ pinctrl_pm_select_sleep_state(component->dev);
return 0;
}
@@ -2406,7 +2240,6 @@ int snd_soc_register_card(struct snd_soc_card *card)
INIT_LIST_HEAD(&card->aux_comp_list);
INIT_LIST_HEAD(&card->component_dev_list);
INIT_LIST_HEAD(&card->list);
- INIT_LIST_HEAD(&card->dai_link_list);
INIT_LIST_HEAD(&card->rtd_list);
INIT_LIST_HEAD(&card->dapm_dirty);
INIT_LIST_HEAD(&card->dobj_list);
@@ -2511,6 +2344,8 @@ EXPORT_SYMBOL_GPL(snd_soc_unregister_dai);
*
* @component: The component the DAIs are registered for
* @dai_drv: DAI driver to use for the DAI
+ * @legacy_dai_naming: if %true, use legacy single-name format;
+ * if %false, use multiple-name format;
*
* Topology can use this API to register DAIs when probing a component.
* These DAIs's widgets will be freed in the card cleanup and the DAIs
@@ -3014,7 +2849,7 @@ void snd_soc_of_parse_node_prefix(struct device_node *np,
return;
}
- codec_conf->of_node = of_node;
+ codec_conf->dlc.of_node = of_node;
codec_conf->name_prefix = str;
}
EXPORT_SYMBOL_GPL(snd_soc_of_parse_node_prefix);