component->name);
}
+ /* machine specific init */
+ if (component->init) {
+ ret = component->init(component);
+ if (ret < 0) {
+ dev_err(component->dev,
+ "Failed to do machine specific init %d\n", ret);
+ goto err_probe;
+ }
+ }
+
if (component->controls)
snd_soc_add_component_controls(component, component->controls,
component->num_controls);
static int soc_bind_aux_dev(struct snd_soc_card *card, int num)
{
- struct snd_soc_pcm_runtime *rtd = &card->rtd_aux[num];
struct snd_soc_aux_dev *aux_dev = &card->aux_dev[num];
- const char *name = aux_dev->codec_name;
-
- rtd->component = soc_find_component(aux_dev->codec_of_node, name);
- if (!rtd->component) {
- if (aux_dev->codec_of_node)
- name = of_node_full_name(aux_dev->codec_of_node);
-
- dev_err(card->dev, "ASoC: %s not registered\n", name);
- return -EPROBE_DEFER;
+ struct snd_soc_component *component;
+ const char *name;
+ struct device_node *codec_of_node;
+
+ if (aux_dev->codec_of_node || aux_dev->codec_name) {
+ /* codecs, usually analog devices */
+ name = aux_dev->codec_name;
+ codec_of_node = aux_dev->codec_of_node;
+ component = soc_find_component(codec_of_node, name);
+ if (!component) {
+ if (codec_of_node)
+ name = of_node_full_name(codec_of_node);
+ goto err_defer;
+ }
+ } else if (aux_dev->name) {
+ /* generic components */
+ name = aux_dev->name;
+ component = soc_find_component(NULL, name);
+ if (!component)
+ goto err_defer;
+ } else {
+ dev_err(card->dev, "ASoC: Invalid auxiliary device\n");
+ return -EINVAL;
}
- /*
- * Some places still reference rtd->codec, so we have to keep that
- * initialized if the component is a CODEC. Once all those references
- * have been removed, this code can be removed as well.
- */
- rtd->codec = rtd->component->codec;
-
+ component->init = aux_dev->init;
+ list_add(&component->list_aux, &card->aux_comp_list);
return 0;
+
+err_defer:
+ dev_err(card->dev, "ASoC: %s not registered\n", name);
+ return -EPROBE_DEFER;
}
-static int soc_probe_aux_dev(struct snd_soc_card *card, int num)
+static int soc_probe_aux_devices(struct snd_soc_card *card)
{
- struct snd_soc_pcm_runtime *rtd = &card->rtd_aux[num];
- struct snd_soc_aux_dev *aux_dev = &card->aux_dev[num];
+ struct snd_soc_component *comp;
+ int order;
int ret;
- ret = soc_probe_component(card, rtd->component);
- if (ret < 0)
- return ret;
-
- /* do machine specific initialization */
- if (aux_dev->init) {
- ret = aux_dev->init(rtd->component);
- if (ret < 0) {
- dev_err(card->dev, "ASoC: failed to init %s: %d\n",
- aux_dev->name, ret);
- return ret;
+ for (order = SND_SOC_COMP_ORDER_FIRST; order <= SND_SOC_COMP_ORDER_LAST;
+ order++) {
+ list_for_each_entry(comp, &card->aux_comp_list, list_aux) {
+ if (comp->driver->probe_order == order) {
+ ret = soc_probe_component(card, comp);
+ if (ret < 0) {
+ dev_err(card->dev,
+ "ASoC: failed to probe aux component %s %d\n",
+ comp->name, ret);
+ return ret;
+ }
+ }
}
}
- return soc_post_component_init(rtd, aux_dev->name);
+ return 0;
}
-static void soc_remove_aux_dev(struct snd_soc_card *card, int num)
+static void soc_remove_aux_devices(struct snd_soc_card *card)
{
- struct snd_soc_pcm_runtime *rtd = &card->rtd_aux[num];
- struct snd_soc_component *component = rtd->component;
+ struct snd_soc_component *comp, *_comp;
+ int order;
- /* unregister the rtd device */
- if (rtd->dev_registered) {
- device_unregister(rtd->dev);
- rtd->dev_registered = 0;
+ for (order = SND_SOC_COMP_ORDER_FIRST; order <= SND_SOC_COMP_ORDER_LAST;
+ order++) {
+ list_for_each_entry_safe(comp, _comp,
+ &card->aux_comp_list, list_aux) {
+ if (comp->driver->remove_order == order) {
+ soc_remove_component(comp);
+ /* remove it from the card's aux_comp_list */
+ list_del(&comp->list_aux);
+ }
+ }
}
-
- if (component)
- soc_remove_component(component);
}
static int snd_soc_init_codec_cache(struct snd_soc_codec *codec)
}
}
+ /* probe auxiliary components */
+ ret = soc_probe_aux_devices(card);
+ if (ret < 0)
+ goto probe_dai_err;
+
/* Find new DAI links added during probing components and bind them.
* Components with topology may bring new DAIs and DAI links.
*/
}
}
- for (i = 0; i < card->num_aux_devs; i++) {
- ret = soc_probe_aux_dev(card, i);
- if (ret < 0) {
- dev_err(card->dev,
- "ASoC: failed to add auxiliary devices %d\n",
- ret);
- goto probe_aux_dev_err;
- }
- }
-
snd_soc_dapm_link_dai_widgets(card);
snd_soc_dapm_connect_dai_link_widgets(card);
return 0;
probe_aux_dev_err:
- for (i = 0; i < card->num_aux_devs; i++)
- soc_remove_aux_dev(card, i);
+ soc_remove_aux_devices(card);
probe_dai_err:
soc_remove_dai_links(card);
static int soc_cleanup_card_resources(struct snd_soc_card *card)
{
struct snd_soc_pcm_runtime *rtd;
- int i;
/* make sure any delayed work runs */
list_for_each_entry(rtd, &card->rtd_list, list)
flush_delayed_work(&rtd->delayed_work);
- /* remove auxiliary devices */
- for (i = 0; i < card->num_aux_devs; i++)
- soc_remove_aux_dev(card, i);
-
/* remove and free each DAI */
soc_remove_dai_links(card);
soc_remove_pcm_runtimes(card);
+ /* remove auxiliary devices */
+ soc_remove_aux_devices(card);
+
soc_cleanup_card_debugfs(card);
/* remove the card */
INIT_LIST_HEAD(&card->rtd_list);
card->num_rtd = 0;
- card->rtd_aux = devm_kzalloc(card->dev,
- sizeof(struct snd_soc_pcm_runtime) *
- card->num_aux_devs,
- GFP_KERNEL);
- if (card->rtd_aux == NULL)
- return -ENOMEM;
-
- for (i = 0; i < card->num_aux_devs; i++)
- card->rtd_aux[i].card = card;
-
INIT_LIST_HEAD(&card->dapm_dirty);
INIT_LIST_HEAD(&card->dobj_list);
card->instantiated = 0;
}
}
+/* Create a DAI and add it to the component's DAI list */
+static struct snd_soc_dai *soc_add_dai(struct snd_soc_component *component,
+ struct snd_soc_dai_driver *dai_drv,
+ bool legacy_dai_naming)
+{
+ struct device *dev = component->dev;
+ struct snd_soc_dai *dai;
+
+ dev_dbg(dev, "ASoC: dynamically register DAI %s\n", dev_name(dev));
+
+ dai = kzalloc(sizeof(struct snd_soc_dai), GFP_KERNEL);
+ if (dai == NULL)
+ return NULL;
+
+ /*
+ * Back in the old days when we still had component-less DAIs,
+ * instead of having a static name, component-less DAIs would
+ * inherit the name of the parent device so it is possible to
+ * register multiple instances of the DAI. We still need to keep
+ * the same naming style even though those DAIs are not
+ * component-less anymore.
+ */
+ if (legacy_dai_naming &&
+ (dai_drv->id == 0 || dai_drv->name == NULL)) {
+ dai->name = fmt_single_name(dev, &dai->id);
+ } else {
+ dai->name = fmt_multiple_name(dev, dai_drv);
+ if (dai_drv->id)
+ dai->id = dai_drv->id;
+ else
+ dai->id = component->num_dai;
+ }
+ if (dai->name == NULL) {
+ kfree(dai);
+ return NULL;
+ }
+
+ dai->component = component;
+ dai->dev = dev;
+ dai->driver = dai_drv;
+ if (!dai->driver->ops)
+ dai->driver->ops = &null_dai_ops;
+
+ list_add(&dai->list, &component->dai_list);
+ component->num_dai++;
+
+ dev_dbg(dev, "ASoC: Registered DAI '%s'\n", dai->name);
+ return dai;
+}
+
/**
* snd_soc_register_dais - Register a DAI with the ASoC core
*
dev_dbg(dev, "ASoC: dai register %s #%Zu\n", dev_name(dev), count);
component->dai_drv = dai_drv;
- component->num_dai = count;
for (i = 0; i < count; i++) {
- dai = kzalloc(sizeof(struct snd_soc_dai), GFP_KERNEL);
+ dai = soc_add_dai(component, dai_drv + i,
+ count == 1 && legacy_dai_naming);
if (dai == NULL) {
ret = -ENOMEM;
goto err;
}
+ }
- /*
- * Back in the old days when we still had component-less DAIs,
- * instead of having a static name, component-less DAIs would
- * inherit the name of the parent device so it is possible to
- * register multiple instances of the DAI. We still need to keep
- * the same naming style even though those DAIs are not
- * component-less anymore.
- */
- if (count == 1 && legacy_dai_naming &&
- (dai_drv[i].id == 0 || dai_drv[i].name == NULL)) {
- dai->name = fmt_single_name(dev, &dai->id);
- } else {
- dai->name = fmt_multiple_name(dev, &dai_drv[i]);
- if (dai_drv[i].id)
- dai->id = dai_drv[i].id;
- else
- dai->id = i;
- }
- if (dai->name == NULL) {
- kfree(dai);
- ret = -ENOMEM;
- goto err;
- }
+ return 0;
- dai->component = component;
- dai->dev = dev;
- dai->driver = &dai_drv[i];
- if (!dai->driver->ops)
- dai->driver->ops = &null_dai_ops;
+err:
+ snd_soc_unregister_dais(component);
- list_add(&dai->list, &component->dai_list);
+ return ret;
+}
- dev_dbg(dev, "ASoC: Registered DAI '%s'\n", dai->name);
+/**
+ * snd_soc_register_dai - Register a DAI dynamically & create its widgets
+ *
+ * @component: The component the DAIs are registered for
+ * @dai_drv: DAI driver to use for the DAI
+ *
+ * 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
+ * will be freed in the component cleanup.
+ */
+int snd_soc_register_dai(struct snd_soc_component *component,
+ struct snd_soc_dai_driver *dai_drv)
+{
+ struct snd_soc_dapm_context *dapm =
+ snd_soc_component_get_dapm(component);
+ struct snd_soc_dai *dai;
+ int ret;
+
+ if (dai_drv->dobj.type != SND_SOC_DOBJ_PCM) {
+ dev_err(component->dev, "Invalid dai type %d\n",
+ dai_drv->dobj.type);
+ return -EINVAL;
}
- return 0;
+ lockdep_assert_held(&client_mutex);
+ dai = soc_add_dai(component, dai_drv, false);
+ if (!dai)
+ return -ENOMEM;
-err:
- snd_soc_unregister_dais(component);
+ /* Create the DAI widgets here. After adding DAIs, topology may
+ * also add routes that need these widgets as source or sink.
+ */
+ ret = snd_soc_dapm_new_dai_widgets(dapm, dai);
+ if (ret != 0) {
+ dev_err(component->dev,
+ "Failed to create DAI widgets %d\n", ret);
+ }
return ret;
}
+EXPORT_SYMBOL_GPL(snd_soc_register_dai);
static void snd_soc_component_seq_notifier(struct snd_soc_dapm_context *dapm,
enum snd_soc_dapm_type type, int subseq)
projects / linux-2.6-microblaze.git / commitdiff