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Diffstat (limited to 'sound/soc/soc-core.c')
-rw-r--r--sound/soc/soc-core.c673
1 files changed, 286 insertions, 387 deletions
diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index d074aa91b023..4c8f8a23a0e9 100644
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -270,79 +270,54 @@ static const struct file_operations codec_reg_fops = {
.llseek = default_llseek,
};
-static struct dentry *soc_debugfs_create_dir(struct dentry *parent,
- const char *fmt, ...)
+static void soc_init_component_debugfs(struct snd_soc_component *component)
{
- struct dentry *de;
- va_list ap;
- char *s;
+ if (component->debugfs_prefix) {
+ char *name;
- va_start(ap, fmt);
- s = kvasprintf(GFP_KERNEL, fmt, ap);
- va_end(ap);
+ name = kasprintf(GFP_KERNEL, "%s:%s",
+ component->debugfs_prefix, component->name);
+ if (name) {
+ component->debugfs_root = debugfs_create_dir(name,
+ component->card->debugfs_card_root);
+ kfree(name);
+ }
+ } else {
+ component->debugfs_root = debugfs_create_dir(component->name,
+ component->card->debugfs_card_root);
+ }
- if (!s)
- return NULL;
+ if (!component->debugfs_root) {
+ dev_warn(component->dev,
+ "ASoC: Failed to create component debugfs directory\n");
+ return;
+ }
- de = debugfs_create_dir(s, parent);
- kfree(s);
+ snd_soc_dapm_debugfs_init(snd_soc_component_get_dapm(component),
+ component->debugfs_root);
- return de;
+ if (component->init_debugfs)
+ component->init_debugfs(component);
}
-static void soc_init_codec_debugfs(struct snd_soc_codec *codec)
+static void soc_cleanup_component_debugfs(struct snd_soc_component *component)
{
- struct dentry *debugfs_card_root = codec->component.card->debugfs_card_root;
+ debugfs_remove_recursive(component->debugfs_root);
+}
- codec->debugfs_codec_root = soc_debugfs_create_dir(debugfs_card_root,
- "codec:%s",
- codec->component.name);
- if (!codec->debugfs_codec_root) {
- dev_warn(codec->dev,
- "ASoC: Failed to create codec debugfs directory\n");
- return;
- }
+static void soc_init_codec_debugfs(struct snd_soc_component *component)
+{
+ struct snd_soc_codec *codec = snd_soc_component_to_codec(component);
- debugfs_create_bool("cache_sync", 0444, codec->debugfs_codec_root,
+ debugfs_create_bool("cache_sync", 0444, codec->component.debugfs_root,
&codec->cache_sync);
- debugfs_create_bool("cache_only", 0444, codec->debugfs_codec_root,
- &codec->cache_only);
codec->debugfs_reg = debugfs_create_file("codec_reg", 0644,
- codec->debugfs_codec_root,
+ codec->component.debugfs_root,
codec, &codec_reg_fops);
if (!codec->debugfs_reg)
dev_warn(codec->dev,
"ASoC: Failed to create codec register debugfs file\n");
-
- snd_soc_dapm_debugfs_init(&codec->dapm, codec->debugfs_codec_root);
-}
-
-static void soc_cleanup_codec_debugfs(struct snd_soc_codec *codec)
-{
- debugfs_remove_recursive(codec->debugfs_codec_root);
-}
-
-static void soc_init_platform_debugfs(struct snd_soc_platform *platform)
-{
- struct dentry *debugfs_card_root = platform->component.card->debugfs_card_root;
-
- platform->debugfs_platform_root = soc_debugfs_create_dir(debugfs_card_root,
- "platform:%s",
- platform->component.name);
- if (!platform->debugfs_platform_root) {
- dev_warn(platform->dev,
- "ASoC: Failed to create platform debugfs directory\n");
- return;
- }
-
- snd_soc_dapm_debugfs_init(&platform->component.dapm,
- platform->debugfs_platform_root);
-}
-
-static void soc_cleanup_platform_debugfs(struct snd_soc_platform *platform)
-{
- debugfs_remove_recursive(platform->debugfs_platform_root);
}
static ssize_t codec_list_read_file(struct file *file, char __user *user_buf,
@@ -474,19 +449,15 @@ static void soc_cleanup_card_debugfs(struct snd_soc_card *card)
#else
-static inline void soc_init_codec_debugfs(struct snd_soc_codec *codec)
-{
-}
+#define soc_init_codec_debugfs NULL
-static inline void soc_cleanup_codec_debugfs(struct snd_soc_codec *codec)
+static inline void soc_init_component_debugfs(
+ struct snd_soc_component *component)
{
}
-static inline void soc_init_platform_debugfs(struct snd_soc_platform *platform)
-{
-}
-
-static inline void soc_cleanup_platform_debugfs(struct snd_soc_platform *platform)
+static inline void soc_cleanup_component_debugfs(
+ struct snd_soc_component *component)
{
}
@@ -579,10 +550,8 @@ int snd_soc_suspend(struct device *dev)
struct snd_soc_codec *codec;
int i, j;
- /* If the initialization of this soc device failed, there is no codec
- * associated with it. Just bail out in this case.
- */
- if (list_empty(&card->codec_dev_list))
+ /* If the card is not initialized yet there is nothing to do */
+ if (!card->instantiated)
return 0;
/* Due to the resume being scheduled into a workqueue we could
@@ -668,7 +637,7 @@ int snd_soc_suspend(struct device *dev)
list_for_each_entry(codec, &card->codec_dev_list, card_list) {
/* If there are paths active then the CODEC will be held with
* bias _ON and should not be suspended. */
- if (!codec->suspended && codec->driver->suspend) {
+ if (!codec->suspended) {
switch (codec->dapm.bias_level) {
case SND_SOC_BIAS_STANDBY:
/*
@@ -682,8 +651,10 @@ int snd_soc_suspend(struct device *dev)
"ASoC: idle_bias_off CODEC on over suspend\n");
break;
}
+
case SND_SOC_BIAS_OFF:
- codec->driver->suspend(codec);
+ if (codec->driver->suspend)
+ codec->driver->suspend(codec);
codec->suspended = 1;
codec->cache_sync = 1;
if (codec->component.regmap)
@@ -757,11 +728,12 @@ static void soc_resume_deferred(struct work_struct *work)
* left with bias OFF or STANDBY and suspended so we must now
* resume. Otherwise the suspend was suppressed.
*/
- if (codec->driver->resume && codec->suspended) {
+ if (codec->suspended) {
switch (codec->dapm.bias_level) {
case SND_SOC_BIAS_STANDBY:
case SND_SOC_BIAS_OFF:
- codec->driver->resume(codec);
+ if (codec->driver->resume)
+ codec->driver->resume(codec);
codec->suspended = 0;
break;
default:
@@ -835,10 +807,8 @@ int snd_soc_resume(struct device *dev)
struct snd_soc_card *card = dev_get_drvdata(dev);
int i, ac97_control = 0;
- /* If the initialization of this soc device failed, there is no codec
- * associated with it. Just bail out in this case.
- */
- if (list_empty(&card->codec_dev_list))
+ /* If the card is not initialized yet there is nothing to do */
+ if (!card->instantiated)
return 0;
/* activate pins from sleep state */
@@ -887,35 +857,40 @@ EXPORT_SYMBOL_GPL(snd_soc_resume);
static const struct snd_soc_dai_ops null_dai_ops = {
};
-static struct snd_soc_codec *soc_find_codec(
- const struct device_node *codec_of_node,
- const char *codec_name)
+static struct snd_soc_component *soc_find_component(
+ const struct device_node *of_node, const char *name)
{
- struct snd_soc_codec *codec;
+ struct snd_soc_component *component;
- list_for_each_entry(codec, &codec_list, list) {
- if (codec_of_node) {
- if (codec->dev->of_node != codec_of_node)
- continue;
- } else {
- if (strcmp(codec->component.name, codec_name))
- continue;
+ list_for_each_entry(component, &component_list, list) {
+ if (of_node) {
+ if (component->dev->of_node == of_node)
+ return component;
+ } else if (strcmp(component->name, name) == 0) {
+ return component;
}
-
- return codec;
}
return NULL;
}
-static struct snd_soc_dai *soc_find_codec_dai(struct snd_soc_codec *codec,
- const char *codec_dai_name)
+static struct snd_soc_dai *snd_soc_find_dai(
+ const struct snd_soc_dai_link_component *dlc)
{
- struct snd_soc_dai *codec_dai;
+ struct snd_soc_component *component;
+ struct snd_soc_dai *dai;
- list_for_each_entry(codec_dai, &codec->component.dai_list, list) {
- if (!strcmp(codec_dai->name, codec_dai_name)) {
- return codec_dai;
+ /* Find CPU DAI from registered DAIs*/
+ list_for_each_entry(component, &component_list, list) {
+ if (dlc->of_node && component->dev->of_node != dlc->of_node)
+ continue;
+ if (dlc->name && strcmp(dev_name(component->dev), dlc->name))
+ continue;
+ list_for_each_entry(dai, &component->dai_list, list) {
+ if (dlc->dai_name && strcmp(dai->name, dlc->dai_name))
+ continue;
+
+ return dai;
}
}
@@ -926,33 +901,19 @@ static int soc_bind_dai_link(struct snd_soc_card *card, int num)
{
struct snd_soc_dai_link *dai_link = &card->dai_link[num];
struct snd_soc_pcm_runtime *rtd = &card->rtd[num];
- struct snd_soc_component *component;
struct snd_soc_dai_link_component *codecs = dai_link->codecs;
+ struct snd_soc_dai_link_component cpu_dai_component;
struct snd_soc_dai **codec_dais = rtd->codec_dais;
struct snd_soc_platform *platform;
- struct snd_soc_dai *cpu_dai;
const char *platform_name;
int i;
dev_dbg(card->dev, "ASoC: binding %s at idx %d\n", dai_link->name, num);
- /* Find CPU DAI from registered DAIs*/
- list_for_each_entry(component, &component_list, list) {
- if (dai_link->cpu_of_node &&
- component->dev->of_node != dai_link->cpu_of_node)
- continue;
- if (dai_link->cpu_name &&
- strcmp(dev_name(component->dev), dai_link->cpu_name))
- continue;
- list_for_each_entry(cpu_dai, &component->dai_list, list) {
- if (dai_link->cpu_dai_name &&
- strcmp(cpu_dai->name, dai_link->cpu_dai_name))
- continue;
-
- rtd->cpu_dai = cpu_dai;
- }
- }
-
+ cpu_dai_component.name = dai_link->cpu_name;
+ cpu_dai_component.of_node = dai_link->cpu_of_node;
+ cpu_dai_component.dai_name = dai_link->cpu_dai_name;
+ rtd->cpu_dai = snd_soc_find_dai(&cpu_dai_component);
if (!rtd->cpu_dai) {
dev_err(card->dev, "ASoC: CPU DAI %s not registered\n",
dai_link->cpu_dai_name);
@@ -963,15 +924,7 @@ static int soc_bind_dai_link(struct snd_soc_card *card, int num)
/* Find CODEC from registered CODECs */
for (i = 0; i < rtd->num_codecs; i++) {
- struct snd_soc_codec *codec;
- codec = soc_find_codec(codecs[i].of_node, codecs[i].name);
- if (!codec) {
- dev_err(card->dev, "ASoC: CODEC %s not registered\n",
- codecs[i].name);
- return -EPROBE_DEFER;
- }
-
- codec_dais[i] = soc_find_codec_dai(codec, codecs[i].dai_name);
+ codec_dais[i] = snd_soc_find_dai(&codecs[i]);
if (!codec_dais[i]) {
dev_err(card->dev, "ASoC: CODEC DAI %s not registered\n",
codecs[i].dai_name);
@@ -1012,68 +965,46 @@ static int soc_bind_dai_link(struct snd_soc_card *card, int num)
return 0;
}
-static int soc_remove_platform(struct snd_soc_platform *platform)
+static void soc_remove_component(struct snd_soc_component *component)
{
- int ret;
-
- if (platform->driver->remove) {
- ret = platform->driver->remove(platform);
- if (ret < 0)
- dev_err(platform->dev, "ASoC: failed to remove %d\n",
- ret);
- }
-
- /* Make sure all DAPM widgets are freed */
- snd_soc_dapm_free(&platform->component.dapm);
-
- soc_cleanup_platform_debugfs(platform);
- platform->probed = 0;
- module_put(platform->dev->driver->owner);
-
- return 0;
-}
+ if (!component->probed)
+ return;
-static void soc_remove_codec(struct snd_soc_codec *codec)
-{
- int err;
+ /* This is a HACK and will be removed soon */
+ if (component->codec)
+ list_del(&component->codec->card_list);
- if (codec->driver->remove) {
- err = codec->driver->remove(codec);
- if (err < 0)
- dev_err(codec->dev, "ASoC: failed to remove %d\n", err);
- }
+ if (component->remove)
+ component->remove(component);
- /* Make sure all DAPM widgets are freed */
- snd_soc_dapm_free(&codec->dapm);
+ snd_soc_dapm_free(snd_soc_component_get_dapm(component));
- soc_cleanup_codec_debugfs(codec);
- codec->probed = 0;
- list_del(&codec->card_list);
- module_put(codec->dev->driver->owner);
+ soc_cleanup_component_debugfs(component);
+ component->probed = 0;
+ module_put(component->dev->driver->owner);
}
-static void soc_remove_codec_dai(struct snd_soc_dai *codec_dai, int order)
+static void soc_remove_dai(struct snd_soc_dai *dai, int order)
{
int err;
- if (codec_dai && codec_dai->probed &&
- codec_dai->driver->remove_order == order) {
- if (codec_dai->driver->remove) {
- err = codec_dai->driver->remove(codec_dai);
+ if (dai && dai->probed &&
+ dai->driver->remove_order == order) {
+ if (dai->driver->remove) {
+ err = dai->driver->remove(dai);
if (err < 0)
- dev_err(codec_dai->dev,
+ dev_err(dai->dev,
"ASoC: failed to remove %s: %d\n",
- codec_dai->name, err);
+ dai->name, err);
}
- codec_dai->probed = 0;
+ dai->probed = 0;
}
}
static void soc_remove_link_dais(struct snd_soc_card *card, int num, int order)
{
struct snd_soc_pcm_runtime *rtd = &card->rtd[num];
- struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
- int i, err;
+ int i;
/* unregister the rtd device */
if (rtd->dev_registered) {
@@ -1085,22 +1016,9 @@ static void soc_remove_link_dais(struct snd_soc_card *card, int num, int order)
/* remove the CODEC DAI */
for (i = 0; i < rtd->num_codecs; i++)
- soc_remove_codec_dai(rtd->codec_dais[i], order);
+ soc_remove_dai(rtd->codec_dais[i], order);
- /* remove the cpu_dai */
- if (cpu_dai && cpu_dai->probed &&
- cpu_dai->driver->remove_order == order) {
- if (cpu_dai->driver->remove) {
- err = cpu_dai->driver->remove(cpu_dai);
- if (err < 0)
- dev_err(cpu_dai->dev,
- "ASoC: failed to remove %s: %d\n",
- cpu_dai->name, err);
- }
- cpu_dai->probed = 0;
- if (!cpu_dai->codec)
- module_put(cpu_dai->dev->driver->owner);
- }
+ soc_remove_dai(rtd->cpu_dai, order);
}
static void soc_remove_link_components(struct snd_soc_card *card, int num,
@@ -1109,29 +1027,24 @@ static void soc_remove_link_components(struct snd_soc_card *card, int num,
struct snd_soc_pcm_runtime *rtd = &card->rtd[num];
struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
struct snd_soc_platform *platform = rtd->platform;
- struct snd_soc_codec *codec;
+ struct snd_soc_component *component;
int i;
/* remove the platform */
- if (platform && platform->probed &&
- platform->driver->remove_order == order) {
- soc_remove_platform(platform);
- }
+ if (platform && platform->component.driver->remove_order == order)
+ soc_remove_component(&platform->component);
/* remove the CODEC-side CODEC */
for (i = 0; i < rtd->num_codecs; i++) {
- codec = rtd->codec_dais[i]->codec;
- if (codec && codec->probed &&
- codec->driver->remove_order == order)
- soc_remove_codec(codec);
+ component = rtd->codec_dais[i]->component;
+ if (component->driver->remove_order == order)
+ soc_remove_component(component);
}
/* remove any CPU-side CODEC */
if (cpu_dai) {
- codec = cpu_dai->codec;
- if (codec && codec->probed &&
- codec->driver->remove_order == order)
- soc_remove_codec(codec);
+ if (cpu_dai->component->driver->remove_order == order)
+ soc_remove_component(cpu_dai->component);
}
}
@@ -1173,137 +1086,78 @@ static void soc_set_name_prefix(struct snd_soc_card *card,
}
}
-static int soc_probe_codec(struct snd_soc_card *card,
- struct snd_soc_codec *codec)
+static int soc_probe_component(struct snd_soc_card *card,
+ struct snd_soc_component *component)
{
- int ret = 0;
- const struct snd_soc_codec_driver *driver = codec->driver;
+ struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
struct snd_soc_dai *dai;
+ int ret;
- codec->component.card = card;
- codec->dapm.card = card;
- soc_set_name_prefix(card, &codec->component);
+ if (component->probed)
+ return 0;
+
+ component->card = card;
+ dapm->card = card;
+ soc_set_name_prefix(card, component);
- if (!try_module_get(codec->dev->driver->owner))
+ if (!try_module_get(component->dev->driver->owner))
return -ENODEV;
- soc_init_codec_debugfs(codec);
+ soc_init_component_debugfs(component);
- if (driver->dapm_widgets) {
- ret = snd_soc_dapm_new_controls(&codec->dapm,
- driver->dapm_widgets,
- driver->num_dapm_widgets);
+ if (component->dapm_widgets) {
+ ret = snd_soc_dapm_new_controls(dapm, component->dapm_widgets,
+ component->num_dapm_widgets);
if (ret != 0) {
- dev_err(codec->dev,
+ dev_err(component->dev,
"Failed to create new controls %d\n", ret);
goto err_probe;
}
}
- /* Create DAPM widgets for each DAI stream */
- list_for_each_entry(dai, &codec->component.dai_list, list) {
- ret = snd_soc_dapm_new_dai_widgets(&codec->dapm, dai);
-
+ list_for_each_entry(dai, &component->dai_list, list) {
+ ret = snd_soc_dapm_new_dai_widgets(dapm, dai);
if (ret != 0) {
- dev_err(codec->dev,
+ dev_err(component->dev,
"Failed to create DAI widgets %d\n", ret);
goto err_probe;
}
}
- codec->dapm.idle_bias_off = driver->idle_bias_off;
-
- if (driver->probe) {
- ret = driver->probe(codec);
+ if (component->probe) {
+ ret = component->probe(component);
if (ret < 0) {
- dev_err(codec->dev,
- "ASoC: failed to probe CODEC %d\n", ret);
+ dev_err(component->dev,
+ "ASoC: failed to probe component %d\n", ret);
goto err_probe;
}
- WARN(codec->dapm.idle_bias_off &&
- codec->dapm.bias_level != SND_SOC_BIAS_OFF,
+
+ WARN(dapm->idle_bias_off &&
+ dapm->bias_level != SND_SOC_BIAS_OFF,
"codec %s can not start from non-off bias with idle_bias_off==1\n",
- codec->component.name);
+ component->name);
}
- if (driver->controls)
- snd_soc_add_codec_controls(codec, driver->controls,
- driver->num_controls);
- if (driver->dapm_routes)
- snd_soc_dapm_add_routes(&codec->dapm, driver->dapm_routes,
- driver->num_dapm_routes);
-
- /* mark codec as probed and add to card codec list */
- codec->probed = 1;
- list_add(&codec->card_list, &card->codec_dev_list);
- list_add(&codec->dapm.list, &card->dapm_list);
-
- return 0;
-
-err_probe:
- soc_cleanup_codec_debugfs(codec);
- module_put(codec->dev->driver->owner);
-
- return ret;
-}
-
-static int soc_probe_platform(struct snd_soc_card *card,
- struct snd_soc_platform *platform)
-{
- int ret = 0;
- const struct snd_soc_platform_driver *driver = platform->driver;
- struct snd_soc_component *component;
- struct snd_soc_dai *dai;
-
- platform->component.card = card;
- platform->component.dapm.card = card;
+ if (component->controls)
+ snd_soc_add_component_controls(component, component->controls,
+ component->num_controls);
+ if (component->dapm_routes)
+ snd_soc_dapm_add_routes(dapm, component->dapm_routes,
+ component->num_dapm_routes);
- if (!try_module_get(platform->dev->driver->owner))
- return -ENODEV;
-
- soc_init_platform_debugfs(platform);
+ component->probed = 1;
+ list_add(&dapm->list, &card->dapm_list);
- if (driver->dapm_widgets)
- snd_soc_dapm_new_controls(&platform->component.dapm,
- driver->dapm_widgets, driver->num_dapm_widgets);
-
- /* Create DAPM widgets for each DAI stream */
- list_for_each_entry(component, &component_list, list) {
- if (component->dev != platform->dev)
- continue;
- list_for_each_entry(dai, &component->dai_list, list)
- snd_soc_dapm_new_dai_widgets(&platform->component.dapm,
- dai);
- }
-
- platform->component.dapm.idle_bias_off = 1;
-
- if (driver->probe) {
- ret = driver->probe(platform);
- if (ret < 0) {
- dev_err(platform->dev,
- "ASoC: failed to probe platform %d\n", ret);
- goto err_probe;
- }
- }
-
- if (driver->controls)
- snd_soc_add_platform_controls(platform, driver->controls,
- driver->num_controls);
- if (driver->dapm_routes)
- snd_soc_dapm_add_routes(&platform->component.dapm,
- driver->dapm_routes, driver->num_dapm_routes);
-
- /* mark platform as probed and add to card platform list */
- platform->probed = 1;
- list_add(&platform->component.dapm.list, &card->dapm_list);
+ /* This is a HACK and will be removed soon */
+ if (component->codec)
+ list_add(&component->codec->card_list, &card->codec_dev_list);
return 0;
err_probe:
- soc_cleanup_platform_debugfs(platform);
- module_put(platform->dev->driver->owner);
+ soc_cleanup_component_debugfs(component);
+ module_put(component->dev->driver->owner);
return ret;
}
@@ -1342,17 +1196,21 @@ static int soc_post_component_init(struct snd_soc_pcm_runtime *rtd,
}
rtd->dev_registered = 1;
- /* add DAPM sysfs entries for this codec */
- ret = snd_soc_dapm_sys_add(rtd->dev);
- if (ret < 0)
- dev_err(rtd->dev,
- "ASoC: failed to add codec dapm sysfs entries: %d\n", ret);
+ if (rtd->codec) {
+ /* add DAPM sysfs entries for this codec */
+ ret = snd_soc_dapm_sys_add(rtd->dev);
+ if (ret < 0)
+ dev_err(rtd->dev,
+ "ASoC: failed to add codec dapm sysfs entries: %d\n",
+ ret);
- /* add codec sysfs entries */
- ret = device_create_file(rtd->dev, &dev_attr_codec_reg);
- if (ret < 0)
- dev_err(rtd->dev,
- "ASoC: failed to add codec sysfs files: %d\n", ret);
+ /* add codec sysfs entries */
+ ret = device_create_file(rtd->dev, &dev_attr_codec_reg);
+ if (ret < 0)
+ dev_err(rtd->dev,
+ "ASoC: failed to add codec sysfs files: %d\n",
+ ret);
+ }
return 0;
}
@@ -1361,33 +1219,31 @@ static int soc_probe_link_components(struct snd_soc_card *card, int num,
int order)
{
struct snd_soc_pcm_runtime *rtd = &card->rtd[num];
- struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
struct snd_soc_platform *platform = rtd->platform;
+ struct snd_soc_component *component;
int i, ret;
/* probe the CPU-side component, if it is a CODEC */
- if (cpu_dai->codec &&
- !cpu_dai->codec->probed &&
- cpu_dai->codec->driver->probe_order == order) {
- ret = soc_probe_codec(card, cpu_dai->codec);
+ component = rtd->cpu_dai->component;
+ if (component->driver->probe_order == order) {
+ ret = soc_probe_component(card, component);
if (ret < 0)
return ret;
}
/* probe the CODEC-side components */
for (i = 0; i < rtd->num_codecs; i++) {
- if (!rtd->codec_dais[i]->codec->probed &&
- rtd->codec_dais[i]->codec->driver->probe_order == order) {
- ret = soc_probe_codec(card, rtd->codec_dais[i]->codec);
+ component = rtd->codec_dais[i]->component;
+ if (component->driver->probe_order == order) {
+ ret = soc_probe_component(card, component);
if (ret < 0)
return ret;
}
}
/* probe the platform */
- if (!platform->probed &&
- platform->driver->probe_order == order) {
- ret = soc_probe_platform(card, platform);
+ if (platform->component.driver->probe_order == order) {
+ ret = soc_probe_component(card, &platform->component);
if (ret < 0)
return ret;
}
@@ -1482,18 +1338,12 @@ static int soc_probe_link_dais(struct snd_soc_card *card, int num, int order)
/* probe the cpu_dai */
if (!cpu_dai->probed &&
cpu_dai->driver->probe_order == order) {
- if (!cpu_dai->codec) {
- if (!try_module_get(cpu_dai->dev->driver->owner))
- return -ENODEV;
- }
-
if (cpu_dai->driver->probe) {
ret = cpu_dai->driver->probe(cpu_dai);
if (ret < 0) {
dev_err(cpu_dai->dev,
"ASoC: failed to probe CPU DAI %s: %d\n",
cpu_dai->name, ret);
- module_put(cpu_dai->dev->driver->owner);
return ret;
}
}
@@ -1654,17 +1504,24 @@ 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 *codecname = aux_dev->codec_name;
+ const char *name = aux_dev->codec_name;
- rtd->codec = soc_find_codec(aux_dev->codec_of_node, codecname);
- if (!rtd->codec) {
+ rtd->component = soc_find_component(aux_dev->codec_of_node, name);
+ if (!rtd->component) {
if (aux_dev->codec_of_node)
- codecname = of_node_full_name(aux_dev->codec_of_node);
+ name = of_node_full_name(aux_dev->codec_of_node);
- dev_err(card->dev, "ASoC: %s not registered\n", codecname);
+ dev_err(card->dev, "ASoC: %s not registered\n", name);
return -EPROBE_DEFER;
}
+ /*
+ * 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;
+
return 0;
}
@@ -1674,18 +1531,13 @@ static int soc_probe_aux_dev(struct snd_soc_card *card, int num)
struct snd_soc_aux_dev *aux_dev = &card->aux_dev[num];
int ret;
- if (rtd->codec->probed) {
- dev_err(rtd->codec->dev, "ASoC: codec already probed\n");
- return -EBUSY;
- }
-
- ret = soc_probe_codec(card, rtd->codec);
+ 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->codec->dapm);
+ ret = aux_dev->init(rtd->component);
if (ret < 0) {
dev_err(card->dev, "ASoC: failed to init %s: %d\n",
aux_dev->name, ret);
@@ -1699,7 +1551,7 @@ static int soc_probe_aux_dev(struct snd_soc_card *card, int num)
static void soc_remove_aux_dev(struct snd_soc_card *card, int num)
{
struct snd_soc_pcm_runtime *rtd = &card->rtd_aux[num];
- struct snd_soc_codec *codec = rtd->codec;
+ struct snd_soc_component *component = rtd->component;
/* unregister the rtd device */
if (rtd->dev_registered) {
@@ -1708,8 +1560,8 @@ static void soc_remove_aux_dev(struct snd_soc_card *card, int num)
rtd->dev_registered = 0;
}
- if (codec && codec->probed)
- soc_remove_codec(codec);
+ if (component && component->probed)
+ soc_remove_component(component);
}
static int snd_soc_init_codec_cache(struct snd_soc_codec *codec)
@@ -2107,19 +1959,14 @@ static struct platform_driver soc_driver = {
int snd_soc_new_ac97_codec(struct snd_soc_codec *codec,
struct snd_ac97_bus_ops *ops, int num)
{
- mutex_lock(&codec->mutex);
-
codec->ac97 = kzalloc(sizeof(struct snd_ac97), GFP_KERNEL);
- if (codec->ac97 == NULL) {
- mutex_unlock(&codec->mutex);
+ if (codec->ac97 == NULL)
return -ENOMEM;
- }
codec->ac97->bus = kzalloc(sizeof(struct snd_ac97_bus), GFP_KERNEL);
if (codec->ac97->bus == NULL) {
kfree(codec->ac97);
codec->ac97 = NULL;
- mutex_unlock(&codec->mutex);
return -ENOMEM;
}
@@ -2132,7 +1979,6 @@ int snd_soc_new_ac97_codec(struct snd_soc_codec *codec,
*/
codec->ac97_created = 1;
- mutex_unlock(&codec->mutex);
return 0;
}
EXPORT_SYMBOL_GPL(snd_soc_new_ac97_codec);
@@ -2302,7 +2148,6 @@ EXPORT_SYMBOL_GPL(snd_soc_set_ac97_ops_of_reset);
*/
void snd_soc_free_ac97_codec(struct snd_soc_codec *codec)
{
- mutex_lock(&codec->mutex);
#ifdef CONFIG_SND_SOC_AC97_BUS
soc_unregister_ac97_codec(codec);
#endif
@@ -2310,7 +2155,6 @@ void snd_soc_free_ac97_codec(struct snd_soc_codec *codec)
kfree(codec->ac97);
codec->ac97 = NULL;
codec->ac97_created = 0;
- mutex_unlock(&codec->mutex);
}
EXPORT_SYMBOL_GPL(snd_soc_free_ac97_codec);
@@ -3027,9 +2871,10 @@ int snd_soc_put_volsw_range(struct snd_kcontrol *kcontrol,
unsigned int val, val_mask;
int ret;
- val = ((ucontrol->value.integer.value[0] + min) & mask);
if (invert)
- val = max - val;
+ val = (max - ucontrol->value.integer.value[0]) & mask;
+ else
+ val = ((ucontrol->value.integer.value[0] + min) & mask);
val_mask = mask << shift;
val = val << shift;
@@ -3038,9 +2883,10 @@ int snd_soc_put_volsw_range(struct snd_kcontrol *kcontrol,
return ret;
if (snd_soc_volsw_is_stereo(mc)) {
- val = ((ucontrol->value.integer.value[1] + min) & mask);
if (invert)
- val = max - val;
+ val = (max - ucontrol->value.integer.value[1]) & mask;
+ else
+ val = ((ucontrol->value.integer.value[1] + min) & mask);
val_mask = mask << shift;
val = val << shift;
@@ -3085,8 +2931,9 @@ int snd_soc_get_volsw_range(struct snd_kcontrol *kcontrol,
if (invert)
ucontrol->value.integer.value[0] =
max - ucontrol->value.integer.value[0];
- ucontrol->value.integer.value[0] =
- ucontrol->value.integer.value[0] - min;
+ else
+ ucontrol->value.integer.value[0] =
+ ucontrol->value.integer.value[0] - min;
if (snd_soc_volsw_is_stereo(mc)) {
ret = snd_soc_component_read(component, rreg, &val);
@@ -3097,8 +2944,9 @@ int snd_soc_get_volsw_range(struct snd_kcontrol *kcontrol,
if (invert)
ucontrol->value.integer.value[1] =
max - ucontrol->value.integer.value[1];
- ucontrol->value.integer.value[1] =
- ucontrol->value.integer.value[1] - min;
+ else
+ ucontrol->value.integer.value[1] =
+ ucontrol->value.integer.value[1] - min;
}
return 0;
@@ -3928,8 +3776,11 @@ EXPORT_SYMBOL_GPL(snd_soc_register_card);
*/
int snd_soc_unregister_card(struct snd_soc_card *card)
{
- if (card->instantiated)
+ if (card->instantiated) {
+ card->instantiated = false;
+ snd_soc_dapm_shutdown(card);
soc_cleanup_card_resources(card);
+ }
dev_dbg(card->dev, "ASoC: Unregistered card '%s'\n", card->name);
return 0;
@@ -4116,6 +3967,8 @@ static int snd_soc_component_initialize(struct snd_soc_component *component,
component->dev = dev;
component->driver = driver;
+ component->probe = component->driver->probe;
+ component->remove = component->driver->remove;
if (!component->dapm_ptr)
component->dapm_ptr = &component->dapm;
@@ -4124,19 +3977,42 @@ static int snd_soc_component_initialize(struct snd_soc_component *component,
dapm->dev = dev;
dapm->component = component;
dapm->bias_level = SND_SOC_BIAS_OFF;
+ dapm->idle_bias_off = true;
if (driver->seq_notifier)
dapm->seq_notifier = snd_soc_component_seq_notifier;
if (driver->stream_event)
dapm->stream_event = snd_soc_component_stream_event;
+ component->controls = driver->controls;
+ component->num_controls = driver->num_controls;
+ component->dapm_widgets = driver->dapm_widgets;
+ component->num_dapm_widgets = driver->num_dapm_widgets;
+ component->dapm_routes = driver->dapm_routes;
+ component->num_dapm_routes = driver->num_dapm_routes;
+
INIT_LIST_HEAD(&component->dai_list);
mutex_init(&component->io_mutex);
return 0;
}
+static void snd_soc_component_init_regmap(struct snd_soc_component *component)
+{
+ if (!component->regmap)
+ component->regmap = dev_get_regmap(component->dev, NULL);
+ if (component->regmap) {
+ int val_bytes = regmap_get_val_bytes(component->regmap);
+ /* Errors are legitimate for non-integer byte multiples */
+ if (val_bytes > 0)
+ component->val_bytes = val_bytes;
+ }
+}
+
static void snd_soc_component_add_unlocked(struct snd_soc_component *component)
{
+ if (!component->write && !component->read)
+ snd_soc_component_init_regmap(component);
+
list_add(&component->list, &component_list);
}
@@ -4225,22 +4101,18 @@ found:
}
EXPORT_SYMBOL_GPL(snd_soc_unregister_component);
-static int snd_soc_platform_drv_write(struct snd_soc_component *component,
- unsigned int reg, unsigned int val)
+static int snd_soc_platform_drv_probe(struct snd_soc_component *component)
{
struct snd_soc_platform *platform = snd_soc_component_to_platform(component);
- return platform->driver->write(platform, reg, val);
+ return platform->driver->probe(platform);
}
-static int snd_soc_platform_drv_read(struct snd_soc_component *component,
- unsigned int reg, unsigned int *val)
+static void snd_soc_platform_drv_remove(struct snd_soc_component *component)
{
struct snd_soc_platform *platform = snd_soc_component_to_platform(component);
- *val = platform->driver->read(platform, reg);
-
- return 0;
+ platform->driver->remove(platform);
}
/**
@@ -4261,10 +4133,15 @@ int snd_soc_add_platform(struct device *dev, struct snd_soc_platform *platform,
platform->dev = dev;
platform->driver = platform_drv;
- if (platform_drv->write)
- platform->component.write = snd_soc_platform_drv_write;
- if (platform_drv->read)
- platform->component.read = snd_soc_platform_drv_read;
+
+ if (platform_drv->probe)
+ platform->component.probe = snd_soc_platform_drv_probe;
+ if (platform_drv->remove)
+ platform->component.remove = snd_soc_platform_drv_remove;
+
+#ifdef CONFIG_DEBUG_FS
+ platform->component.debugfs_prefix = "platform";
+#endif
mutex_lock(&client_mutex);
snd_soc_component_add_unlocked(&platform->component);
@@ -4315,10 +4192,10 @@ void snd_soc_remove_platform(struct snd_soc_platform *platform)
snd_soc_component_del_unlocked(&platform->component);
mutex_unlock(&client_mutex);
- snd_soc_component_cleanup(&platform->component);
-
dev_dbg(platform->dev, "ASoC: Unregistered platform '%s'\n",
platform->component.name);
+
+ snd_soc_component_cleanup(&platform->component);
}
EXPORT_SYMBOL_GPL(snd_soc_remove_platform);
@@ -4386,6 +4263,20 @@ static void fixup_codec_formats(struct snd_soc_pcm_stream *stream)
stream->formats |= codec_format_map[i];
}
+static int snd_soc_codec_drv_probe(struct snd_soc_component *component)
+{
+ struct snd_soc_codec *codec = snd_soc_component_to_codec(component);
+
+ return codec->driver->probe(codec);
+}
+
+static void snd_soc_codec_drv_remove(struct snd_soc_component *component)
+{
+ struct snd_soc_codec *codec = snd_soc_component_to_codec(component);
+
+ codec->driver->remove(codec);
+}
+
static int snd_soc_codec_drv_write(struct snd_soc_component *component,
unsigned int reg, unsigned int val)
{
@@ -4424,7 +4315,6 @@ int snd_soc_register_codec(struct device *dev,
{
struct snd_soc_codec *codec;
struct snd_soc_dai *dai;
- struct regmap *regmap;
int ret, i;
dev_dbg(dev, "codec register %s\n", dev_name(dev));
@@ -4434,18 +4324,37 @@ int snd_soc_register_codec(struct device *dev,
return -ENOMEM;
codec->component.dapm_ptr = &codec->dapm;
+ codec->component.codec = codec;
ret = snd_soc_component_initialize(&codec->component,
&codec_drv->component_driver, dev);
if (ret)
goto err_free;
+ if (codec_drv->controls) {
+ codec->component.controls = codec_drv->controls;
+ codec->component.num_controls = codec_drv->num_controls;
+ }
+ if (codec_drv->dapm_widgets) {
+ codec->component.dapm_widgets = codec_drv->dapm_widgets;
+ codec->component.num_dapm_widgets = codec_drv->num_dapm_widgets;
+ }
+ if (codec_drv->dapm_routes) {
+ codec->component.dapm_routes = codec_drv->dapm_routes;
+ codec->component.num_dapm_routes = codec_drv->num_dapm_routes;
+ }
+
+ if (codec_drv->probe)
+ codec->component.probe = snd_soc_codec_drv_probe;
+ if (codec_drv->remove)
+ codec->component.remove = snd_soc_codec_drv_remove;
if (codec_drv->write)
codec->component.write = snd_soc_codec_drv_write;
if (codec_drv->read)
codec->component.read = snd_soc_codec_drv_read;
codec->component.ignore_pmdown_time = codec_drv->ignore_pmdown_time;
- codec->dapm.codec = codec;
+ codec->dapm.idle_bias_off = codec_drv->idle_bias_off;
+ codec->dapm.suspend_bias_off = codec_drv->suspend_bias_off;
if (codec_drv->seq_notifier)
codec->dapm.seq_notifier = codec_drv->seq_notifier;
if (codec_drv->set_bias_level)
@@ -4455,23 +4364,13 @@ int snd_soc_register_codec(struct device *dev,
codec->component.val_bytes = codec_drv->reg_word_size;
mutex_init(&codec->mutex);
- if (!codec->component.write) {
- if (codec_drv->get_regmap)
- regmap = codec_drv->get_regmap(dev);
- else
- regmap = dev_get_regmap(dev, NULL);
-
- if (regmap) {
- ret = snd_soc_component_init_io(&codec->component,
- regmap);
- if (ret) {
- dev_err(codec->dev,
- "Failed to set cache I/O:%d\n",
- ret);
- goto err_cleanup;
- }
- }
- }
+#ifdef CONFIG_DEBUG_FS
+ codec->component.init_debugfs = soc_init_codec_debugfs;
+ codec->component.debugfs_prefix = "codec";
+#endif
+
+ if (codec_drv->get_regmap)
+ codec->component.regmap = codec_drv->get_regmap(dev);
for (i = 0; i < num_dai; i++) {
fixup_codec_formats(&dai_drv[i].playback);