static LIST_HEAD(dai_list);
static LIST_HEAD(platform_list);
static LIST_HEAD(codec_list);
+static LIST_HEAD(component_list);
/*
* This is a timeout to do a DAPM powerdown after a stream is closed().
*
* @dai: DAI to register
*/
-int snd_soc_register_dai(struct device *dev,
+static int snd_soc_register_dai(struct device *dev,
struct snd_soc_dai_driver *dai_drv)
{
struct snd_soc_codec *codec;
return 0;
}
-EXPORT_SYMBOL_GPL(snd_soc_register_dai);
/**
* snd_soc_unregister_dai - Unregister a DAI from the ASoC core
*
* @dai: DAI to unregister
*/
-void snd_soc_unregister_dai(struct device *dev)
+static void snd_soc_unregister_dai(struct device *dev)
{
struct snd_soc_dai *dai;
kfree(dai->name);
kfree(dai);
}
-EXPORT_SYMBOL_GPL(snd_soc_unregister_dai);
/**
* snd_soc_register_dais - Register multiple DAIs with the ASoC core
* @dai: Array of DAIs to register
* @count: Number of DAIs
*/
-int snd_soc_register_dais(struct device *dev,
+static int snd_soc_register_dais(struct device *dev,
struct snd_soc_dai_driver *dai_drv, size_t count)
{
struct snd_soc_codec *codec;
return ret;
}
-EXPORT_SYMBOL_GPL(snd_soc_register_dais);
/**
* snd_soc_unregister_dais - Unregister multiple DAIs from the ASoC core
* @dai: Array of DAIs to unregister
* @count: Number of DAIs
*/
-void snd_soc_unregister_dais(struct device *dev, size_t count)
+static void snd_soc_unregister_dais(struct device *dev, size_t count)
{
int i;
for (i = 0; i < count; i++)
snd_soc_unregister_dai(dev);
}
-EXPORT_SYMBOL_GPL(snd_soc_unregister_dais);
/**
- * snd_soc_register_platform - Register a platform with the ASoC core
- *
- * @platform: platform to register
+ * snd_soc_add_platform - Add a platform to the ASoC core
+ * @dev: The parent device for the platform
+ * @platform: The platform to add
+ * @platform_driver: The driver for the platform
*/
-int snd_soc_register_platform(struct device *dev,
- struct snd_soc_platform_driver *platform_drv)
+int snd_soc_add_platform(struct device *dev, struct snd_soc_platform *platform,
+ const struct snd_soc_platform_driver *platform_drv)
{
- struct snd_soc_platform *platform;
-
- dev_dbg(dev, "ASoC: platform register %s\n", dev_name(dev));
-
- platform = kzalloc(sizeof(struct snd_soc_platform), GFP_KERNEL);
- if (platform == NULL)
- return -ENOMEM;
-
/* create platform component name */
platform->name = fmt_single_name(dev, &platform->id);
if (platform->name == NULL) {
return 0;
}
-EXPORT_SYMBOL_GPL(snd_soc_register_platform);
+EXPORT_SYMBOL_GPL(snd_soc_add_platform);
/**
- * snd_soc_unregister_platform - Unregister a platform from the ASoC core
+ * snd_soc_register_platform - Register a platform with the ASoC core
*
- * @platform: platform to unregister
+ * @platform: platform to register
*/
-void snd_soc_unregister_platform(struct device *dev)
+int snd_soc_register_platform(struct device *dev,
+ const struct snd_soc_platform_driver *platform_drv)
{
struct snd_soc_platform *platform;
+ int ret;
- list_for_each_entry(platform, &platform_list, list) {
- if (dev == platform->dev)
- goto found;
- }
- return;
+ dev_dbg(dev, "ASoC: platform register %s\n", dev_name(dev));
-found:
+ platform = kzalloc(sizeof(struct snd_soc_platform), GFP_KERNEL);
+ if (platform == NULL)
+ return -ENOMEM;
+
+ ret = snd_soc_add_platform(dev, platform, platform_drv);
+ if (ret)
+ kfree(platform);
+
+ return ret;
+}
+EXPORT_SYMBOL_GPL(snd_soc_register_platform);
+
+/**
+ * snd_soc_remove_platform - Remove a platform from the ASoC core
+ * @platform: the platform to remove
+ */
+void snd_soc_remove_platform(struct snd_soc_platform *platform)
+{
mutex_lock(&client_mutex);
list_del(&platform->list);
mutex_unlock(&client_mutex);
- dev_dbg(dev, "ASoC: Unregistered platform '%s'\n", platform->name);
+ dev_dbg(platform->dev, "ASoC: Unregistered platform '%s'\n",
+ platform->name);
kfree(platform->name);
+}
+EXPORT_SYMBOL_GPL(snd_soc_remove_platform);
+
+struct snd_soc_platform *snd_soc_lookup_platform(struct device *dev)
+{
+ struct snd_soc_platform *platform;
+
+ list_for_each_entry(platform, &platform_list, list) {
+ if (dev == platform->dev)
+ return platform;
+ }
+
+ return NULL;
+}
+EXPORT_SYMBOL_GPL(snd_soc_lookup_platform);
+
+/**
+ * snd_soc_unregister_platform - Unregister a platform from the ASoC core
+ *
+ * @platform: platform to unregister
+ */
+void snd_soc_unregister_platform(struct device *dev)
+{
+ struct snd_soc_platform *platform;
+
+ platform = snd_soc_lookup_platform(dev);
+ if (!platform)
+ return;
+
+ snd_soc_remove_platform(platform);
kfree(platform);
}
EXPORT_SYMBOL_GPL(snd_soc_unregister_platform);
/* create CODEC component name */
codec->name = fmt_single_name(dev, &codec->id);
if (codec->name == NULL) {
- kfree(codec);
- return -ENOMEM;
+ ret = -ENOMEM;
+ goto fail_codec;
}
if (codec_drv->compress_type)
reg_size, GFP_KERNEL);
if (!codec->reg_def_copy) {
ret = -ENOMEM;
- goto fail;
+ goto fail_codec_name;
}
}
}
mutex_unlock(&client_mutex);
/* register any DAIs */
- if (num_dai) {
- ret = snd_soc_register_dais(dev, dai_drv, num_dai);
- if (ret < 0)
- dev_err(codec->dev, "ASoC: Failed to regster"
- " DAIs: %d\n", ret);
+ ret = snd_soc_register_dais(dev, dai_drv, num_dai);
+ if (ret < 0) {
+ dev_err(codec->dev, "ASoC: Failed to regster DAIs: %d\n", ret);
+ goto fail_codec_name;
}
dev_dbg(codec->dev, "ASoC: Registered codec '%s'\n", codec->name);
return 0;
-fail:
+fail_codec_name:
+ mutex_lock(&client_mutex);
+ list_del(&codec->list);
+ mutex_unlock(&client_mutex);
+
kfree(codec->name);
+fail_codec:
kfree(codec);
return ret;
}
void snd_soc_unregister_codec(struct device *dev)
{
struct snd_soc_codec *codec;
- int i;
list_for_each_entry(codec, &codec_list, list) {
if (dev == codec->dev)
return;
found:
- if (codec->num_dai)
- for (i = 0; i < codec->num_dai; i++)
- snd_soc_unregister_dai(dev);
+ snd_soc_unregister_dais(dev, codec->num_dai);
mutex_lock(&client_mutex);
list_del(&codec->list);
}
EXPORT_SYMBOL_GPL(snd_soc_unregister_codec);
+
+/**
+ * snd_soc_register_component - Register a component with the ASoC core
+ *
+ */
+int snd_soc_register_component(struct device *dev,
+ const struct snd_soc_component_driver *cmpnt_drv,
+ struct snd_soc_dai_driver *dai_drv,
+ int num_dai)
+{
+ struct snd_soc_component *cmpnt;
+ int ret;
+
+ dev_dbg(dev, "component register %s\n", dev_name(dev));
+
+ cmpnt = devm_kzalloc(dev, sizeof(*cmpnt), GFP_KERNEL);
+ if (!cmpnt) {
+ dev_err(dev, "ASoC: Failed to allocate memory\n");
+ return -ENOMEM;
+ }
+
+ cmpnt->name = fmt_single_name(dev, &cmpnt->id);
+ if (!cmpnt->name) {
+ dev_err(dev, "ASoC: Failed to simplifying name\n");
+ return -ENOMEM;
+ }
+
+ cmpnt->dev = dev;
+ cmpnt->driver = cmpnt_drv;
+ cmpnt->num_dai = num_dai;
+
+ /*
+ * snd_soc_register_dai() uses fmt_single_name(), and
+ * snd_soc_register_dais() uses fmt_multiple_name()
+ * for dai->name which is used for name based matching
+ */
+ if (1 == num_dai)
+ ret = snd_soc_register_dai(dev, dai_drv);
+ else
+ ret = snd_soc_register_dais(dev, dai_drv, num_dai);
+ if (ret < 0) {
+ dev_err(dev, "ASoC: Failed to regster DAIs: %d\n", ret);
+ goto error_component_name;
+ }
+
+ mutex_lock(&client_mutex);
+ list_add(&cmpnt->list, &component_list);
+ mutex_unlock(&client_mutex);
+
+ dev_dbg(cmpnt->dev, "ASoC: Registered component '%s'\n", cmpnt->name);
+
+ return ret;
+
+error_component_name:
+ kfree(cmpnt->name);
+
+ return ret;
+}
+EXPORT_SYMBOL_GPL(snd_soc_register_component);
+
+/**
+ * snd_soc_unregister_component - Unregister a component from the ASoC core
+ *
+ */
+void snd_soc_unregister_component(struct device *dev)
+{
+ struct snd_soc_component *cmpnt;
+
+ list_for_each_entry(cmpnt, &component_list, list) {
+ if (dev == cmpnt->dev)
+ goto found;
+ }
+ return;
+
+found:
+ snd_soc_unregister_dais(dev, cmpnt->num_dai);
+
+ mutex_lock(&client_mutex);
+ list_del(&cmpnt->list);
+ mutex_unlock(&client_mutex);
+
+ dev_dbg(dev, "ASoC: Unregistered component '%s'\n", cmpnt->name);
+ kfree(cmpnt->name);
+}
+EXPORT_SYMBOL_GPL(snd_soc_unregister_component);
+
/* Retrieve a card's name from device tree */
int snd_soc_of_parse_card_name(struct snd_soc_card *card,
const char *propname)
projects / deliverable / linux.git / blobdiff