summaryrefslogtreecommitdiffstats
path: root/sound/soc/soc-core.c
diff options
context:
space:
mode:
Diffstat (limited to 'sound/soc/soc-core.c')
-rw-r--r--sound/soc/soc-core.c267
1 files changed, 150 insertions, 117 deletions
diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index aae450ba4f08..994d21d7ba0f 100644
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -425,6 +425,14 @@ struct snd_soc_pcm_runtime *snd_soc_get_pcm_runtime(struct snd_soc_card *card,
}
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;
+
+ for_each_card_rtds(card, rtd)
+ flush_delayed_work(&rtd->delayed_work);
+}
+
static void codec2codec_close_delayed_work(struct work_struct *work)
{
/*
@@ -494,8 +502,7 @@ int snd_soc_suspend(struct device *dev)
}
/* close any waiting streams */
- for_each_card_rtds(card, rtd)
- flush_delayed_work(&rtd->delayed_work);
+ snd_soc_flush_all_delayed_work(card);
for_each_card_rtds(card, rtd) {
@@ -735,12 +742,17 @@ static struct snd_soc_component *soc_find_component(
const struct device_node *of_node, const char *name)
{
struct snd_soc_component *component;
+ struct device_node *component_of_node;
lockdep_assert_held(&client_mutex);
for_each_component(component) {
if (of_node) {
- if (component->dev->of_node == of_node)
+ component_of_node = component->dev->of_node;
+ if (!component_of_node && component->dev->parent)
+ component_of_node = component->dev->parent->of_node;
+
+ if (component_of_node == of_node)
return component;
} else if (name && strcmp(component->name, name) == 0) {
return component;
@@ -863,7 +875,7 @@ static int soc_bind_dai_link(struct snd_soc_card *card,
struct snd_soc_dai_link *dai_link)
{
struct snd_soc_pcm_runtime *rtd;
- struct snd_soc_dai_link_component *codecs = dai_link->codecs;
+ struct snd_soc_dai_link_component *codecs;
struct snd_soc_dai_link_component cpu_dai_component;
struct snd_soc_component *component;
struct snd_soc_dai **codec_dais;
@@ -898,13 +910,12 @@ static int soc_bind_dai_link(struct snd_soc_card *card,
rtd->num_codecs = dai_link->num_codecs;
/* Find CODEC from registered CODECs */
- /* we can use for_each_rtd_codec_dai() after this */
codec_dais = rtd->codec_dais;
- for (i = 0; i < rtd->num_codecs; i++) {
- codec_dais[i] = snd_soc_find_dai(&codecs[i]);
+ for_each_link_codecs(dai_link, i, codecs) {
+ codec_dais[i] = snd_soc_find_dai(codecs);
if (!codec_dais[i]) {
- dev_err(card->dev, "ASoC: CODEC DAI %s not registered\n",
- codecs[i].dai_name);
+ dev_info(card->dev, "ASoC: CODEC DAI %s not registered\n",
+ codecs->dai_name);
goto _err_defer;
}
snd_soc_rtdcom_add(rtd, codec_dais[i]->component);
@@ -915,7 +926,7 @@ static int soc_bind_dai_link(struct snd_soc_card *card,
/* find one from the set of registered platforms */
for_each_component(component) {
- if (!snd_soc_is_matching_component(dai_link->platform,
+ if (!snd_soc_is_matching_component(dai_link->platforms,
component))
continue;
@@ -930,28 +941,31 @@ _err_defer:
return -EPROBE_DEFER;
}
+static void soc_cleanup_component(struct snd_soc_component *component)
+{
+ list_del(&component->card_list);
+ snd_soc_dapm_free(snd_soc_component_get_dapm(component));
+ soc_cleanup_component_debugfs(component);
+ component->card = NULL;
+ module_put(component->dev->driver->owner);
+}
+
static void soc_remove_component(struct snd_soc_component *component)
{
if (!component->card)
return;
- list_del(&component->card_list);
-
if (component->driver->remove)
component->driver->remove(component);
- snd_soc_dapm_free(snd_soc_component_get_dapm(component));
-
- soc_cleanup_component_debugfs(component);
- component->card = NULL;
- module_put(component->dev->driver->owner);
+ soc_cleanup_component(component);
}
static void soc_remove_dai(struct snd_soc_dai *dai, int order)
{
int err;
- if (!dai || !dai->probed ||
+ if (!dai || !dai->probed || !dai->driver ||
dai->driver->remove_order != order)
return;
@@ -1026,22 +1040,28 @@ static void soc_remove_dai_links(struct snd_soc_card *card)
static int snd_soc_init_platform(struct snd_soc_card *card,
struct snd_soc_dai_link *dai_link)
{
- struct snd_soc_dai_link_component *platform = dai_link->platform;
+ struct snd_soc_dai_link_component *platform = dai_link->platforms;
/*
- * FIXME
+ * REMOVE ME
*
- * this function should be removed in the future
+ * This is glue code for Legacy vs Modern dai_link.
+ * This function will be removed if all derivers are switched to
+ * modern style dai_link.
+ * Driver shouldn't use both legacy and modern style in the same time.
+ * see
+ * soc.h :: struct snd_soc_dai_link
*/
/* convert Legacy platform link */
- if (!platform || dai_link->legacy_platform) {
+ if (!platform) {
platform = devm_kzalloc(card->dev,
sizeof(struct snd_soc_dai_link_component),
GFP_KERNEL);
if (!platform)
return -ENOMEM;
- dai_link->platform = platform;
+ dai_link->platforms = platform;
+ dai_link->num_platforms = 1;
dai_link->legacy_platform = 1;
platform->name = dai_link->platform_name;
platform->of_node = dai_link->platform_of_node;
@@ -1056,9 +1076,38 @@ static int snd_soc_init_platform(struct snd_soc_card *card,
return 0;
}
+static void soc_cleanup_platform(struct snd_soc_card *card)
+{
+ struct snd_soc_dai_link *link;
+ int i;
+ /*
+ * FIXME
+ *
+ * this function should be removed with snd_soc_init_platform
+ */
+
+ for_each_card_prelinks(card, i, link) {
+ if (link->legacy_platform) {
+ link->legacy_platform = 0;
+ link->platforms = NULL;
+ }
+ }
+}
+
static int snd_soc_init_multicodec(struct snd_soc_card *card,
struct snd_soc_dai_link *dai_link)
{
+ /*
+ * REMOVE ME
+ *
+ * This is glue code for Legacy vs Modern dai_link.
+ * This function will be removed if all derivers are switched to
+ * modern style dai_link.
+ * Driver shouldn't use both legacy and modern style in the same time.
+ * see
+ * soc.h :: struct snd_soc_dai_link
+ */
+
/* Legacy codec/codec_dai link is a single entry in multicodec */
if (dai_link->codec_name || dai_link->codec_of_node ||
dai_link->codec_dai_name) {
@@ -1120,11 +1169,19 @@ static int soc_init_dai_link(struct snd_soc_card *card,
}
}
+ /* FIXME */
+ if (link->num_platforms > 1) {
+ dev_err(card->dev,
+ "ASoC: multi platform is not yet supported %s\n",
+ link->name);
+ return -EINVAL;
+ }
+
/*
* Platform may be specified by either name or OF node, but
* can be left unspecified, and a dummy platform will be used.
*/
- if (link->platform->name && link->platform->of_node) {
+ if (link->platforms->name && link->platforms->of_node) {
dev_err(card->dev,
"ASoC: Both platform name/of_node are set for %s\n",
link->name);
@@ -1135,8 +1192,8 @@ static int soc_init_dai_link(struct snd_soc_card *card,
* Defer card registartion if platform dai component is not added to
* component list.
*/
- if ((link->platform->of_node || link->platform->name) &&
- !soc_find_component(link->platform->of_node, link->platform->name))
+ if ((link->platforms->of_node || link->platforms->name) &&
+ !soc_find_component(link->platforms->of_node, link->platforms->name))
return -EPROBE_DEFER;
/*
@@ -1328,6 +1385,8 @@ static int soc_probe_component(struct snd_soc_card *card,
component->card = card;
dapm->card = card;
+ INIT_LIST_HEAD(&component->card_list);
+ INIT_LIST_HEAD(&dapm->list);
soc_set_name_prefix(card, component);
soc_init_component_debugfs(component);
@@ -1390,12 +1449,9 @@ static int soc_probe_component(struct snd_soc_card *card,
/* see for_each_card_components */
list_add(&component->card_list, &card->component_dev_list);
- return 0;
-
err_probe:
- soc_cleanup_component_debugfs(component);
- component->card = NULL;
- module_put(component->dev->driver->owner);
+ if (ret < 0)
+ soc_cleanup_component(component);
return ret;
}
@@ -1580,27 +1636,24 @@ static int soc_probe_link_dais(struct snd_soc_card *card,
dai_link->stream_name);
return ret;
}
- } else {
-
- if (!dai_link->params) {
- /* 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);
- if (ret < 0)
- return ret;
- } else {
- INIT_DELAYED_WORK(&rtd->delayed_work,
- codec2codec_close_delayed_work);
+ } else if (!dai_link->params) {
+ /* 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);
+ if (ret < 0)
+ return ret;
+ } else {
+ INIT_DELAYED_WORK(&rtd->delayed_work,
+ codec2codec_close_delayed_work);
}
return 0;
@@ -1940,7 +1993,7 @@ static void soc_check_tplg_fes(struct snd_soc_card *card)
dev_err(card->dev, "init platform error");
continue;
}
- dai_link->platform->name = component->name;
+ dai_link->platforms->name = component->name;
/* convert non BE into BE */
dai_link->no_pcm = 1;
@@ -1976,6 +2029,30 @@ static void soc_check_tplg_fes(struct snd_soc_card *card)
}
}
+static int soc_cleanup_card_resources(struct snd_soc_card *card)
+{
+ /* free the ALSA card at first; this syncs with pending operations */
+ if (card->snd_card)
+ snd_card_free(card->snd_card);
+
+ /* remove and free each DAI */
+ soc_remove_dai_links(card);
+ soc_remove_pcm_runtimes(card);
+ soc_cleanup_platform(card);
+
+ /* remove auxiliary devices */
+ soc_remove_aux_devices(card);
+
+ snd_soc_dapm_free(&card->dapm);
+ soc_cleanup_card_debugfs(card);
+
+ /* remove the card */
+ if (card->remove)
+ card->remove(card);
+
+ return 0;
+}
+
static int snd_soc_instantiate_card(struct snd_soc_card *card)
{
struct snd_soc_pcm_runtime *rtd;
@@ -1985,6 +2062,11 @@ static int snd_soc_instantiate_card(struct snd_soc_card *card)
mutex_lock(&client_mutex);
mutex_lock_nested(&card->mutex, SND_SOC_CARD_CLASS_INIT);
+ card->dapm.bias_level = SND_SOC_BIAS_OFF;
+ card->dapm.dev = card->dev;
+ card->dapm.card = card;
+ list_add(&card->dapm.list, &card->dapm_list);
+
/* check whether any platform is ignore machine FE and using topology */
soc_check_tplg_fes(card);
@@ -1992,14 +2074,14 @@ static int snd_soc_instantiate_card(struct snd_soc_card *card)
for_each_card_prelinks(card, i, dai_link) {
ret = soc_bind_dai_link(card, dai_link);
if (ret != 0)
- goto base_error;
+ goto probe_end;
}
/* bind aux_devs too */
for (i = 0; i < card->num_aux_devs; i++) {
ret = soc_bind_aux_dev(card, i);
if (ret != 0)
- goto base_error;
+ goto probe_end;
}
/* add predefined DAI links to the list */
@@ -2013,16 +2095,11 @@ static int snd_soc_instantiate_card(struct snd_soc_card *card)
dev_err(card->dev,
"ASoC: can't create sound card for card %s: %d\n",
card->name, ret);
- goto base_error;
+ goto probe_end;
}
soc_init_card_debugfs(card);
- card->dapm.bias_level = SND_SOC_BIAS_OFF;
- card->dapm.dev = card->dev;
- card->dapm.card = card;
- list_add(&card->dapm.list, &card->dapm_list);
-
#ifdef CONFIG_DEBUG_FS
snd_soc_dapm_debugfs_init(&card->dapm, card->debugfs_card_root);
#endif
@@ -2044,7 +2121,7 @@ static int snd_soc_instantiate_card(struct snd_soc_card *card)
if (card->probe) {
ret = card->probe(card);
if (ret < 0)
- goto card_probe_error;
+ goto probe_end;
}
/* probe all components used by DAI links on this card */
@@ -2055,7 +2132,7 @@ static int snd_soc_instantiate_card(struct snd_soc_card *card)
dev_err(card->dev,
"ASoC: failed to instantiate card %d\n",
ret);
- goto probe_dai_err;
+ goto probe_end;
}
}
}
@@ -2063,7 +2140,7 @@ static int snd_soc_instantiate_card(struct snd_soc_card *card)
/* probe auxiliary components */
ret = soc_probe_aux_devices(card);
if (ret < 0)
- goto probe_dai_err;
+ goto probe_end;
/*
* Find new DAI links added during probing components and bind them.
@@ -2075,10 +2152,10 @@ static int snd_soc_instantiate_card(struct snd_soc_card *card)
ret = soc_init_dai_link(card, dai_link);
if (ret)
- goto probe_dai_err;
+ goto probe_end;
ret = soc_bind_dai_link(card, dai_link);
if (ret)
- goto probe_dai_err;
+ goto probe_end;
}
/* probe all DAI links on this card */
@@ -2089,7 +2166,7 @@ static int snd_soc_instantiate_card(struct snd_soc_card *card)
dev_err(card->dev,
"ASoC: failed to instantiate card %d\n",
ret);
- goto probe_dai_err;
+ goto probe_end;
}
}
}
@@ -2136,7 +2213,7 @@ static int snd_soc_instantiate_card(struct snd_soc_card *card)
if (ret < 0) {
dev_err(card->dev, "ASoC: %s late_probe() failed: %d\n",
card->name, ret);
- goto probe_aux_dev_err;
+ goto probe_end;
}
}
@@ -2146,33 +2223,17 @@ static int snd_soc_instantiate_card(struct snd_soc_card *card)
if (ret < 0) {
dev_err(card->dev, "ASoC: failed to register soundcard %d\n",
ret);
- goto probe_aux_dev_err;
+ goto probe_end;
}
card->instantiated = 1;
dapm_mark_endpoints_dirty(card);
snd_soc_dapm_sync(&card->dapm);
- mutex_unlock(&card->mutex);
- mutex_unlock(&client_mutex);
-
- return 0;
-
-probe_aux_dev_err:
- soc_remove_aux_devices(card);
-
-probe_dai_err:
- soc_remove_dai_links(card);
-card_probe_error:
- if (card->remove)
- card->remove(card);
-
- snd_soc_dapm_free(&card->dapm);
- soc_cleanup_card_debugfs(card);
- snd_card_free(card->snd_card);
+probe_end:
+ if (ret < 0)
+ soc_cleanup_card_resources(card);
-base_error:
- soc_remove_pcm_runtimes(card);
mutex_unlock(&card->mutex);
mutex_unlock(&client_mutex);
@@ -2201,34 +2262,6 @@ static int soc_probe(struct platform_device *pdev)
return snd_soc_register_card(card);
}
-static int soc_cleanup_card_resources(struct snd_soc_card *card)
-{
- struct snd_soc_pcm_runtime *rtd;
-
- /* make sure any delayed work runs */
- for_each_card_rtds(card, rtd)
- flush_delayed_work(&rtd->delayed_work);
-
- /* free the ALSA card at first; this syncs with pending operations */
- snd_card_free(card->snd_card);
-
- /* remove and free each DAI */
- soc_remove_dai_links(card);
- soc_remove_pcm_runtimes(card);
-
- /* remove auxiliary devices */
- soc_remove_aux_devices(card);
-
- snd_soc_dapm_free(&card->dapm);
- soc_cleanup_card_debugfs(card);
-
- /* remove the card */
- if (card->remove)
- card->remove(card);
-
- return 0;
-}
-
/* removes a socdev */
static int soc_remove(struct platform_device *pdev)
{
@@ -2250,8 +2283,7 @@ int snd_soc_poweroff(struct device *dev)
* Flush out pmdown_time work - we actually do want to run it
* now, we're shutting down so no imminent restart.
*/
- for_each_card_rtds(card, rtd)
- flush_delayed_work(&rtd->delayed_work);
+ snd_soc_flush_all_delayed_work(card);
snd_soc_dapm_shutdown(card);
@@ -2795,6 +2827,7 @@ static void snd_soc_unbind_card(struct snd_soc_card *card, bool unregister)
if (card->instantiated) {
card->instantiated = false;
snd_soc_dapm_shutdown(card);
+ snd_soc_flush_all_delayed_work(card);
soc_cleanup_card_resources(card);
if (!unregister)
list_add(&card->list, &unbind_card_list);