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-rw-r--r--sound/soc/soc-core.c900
1 files changed, 513 insertions, 387 deletions
diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index b87d7d882e6d..d4bfd4a9076f 100644
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -270,12 +270,33 @@ static const struct file_operations codec_reg_fops = {
.llseek = default_llseek,
};
+static struct dentry *soc_debugfs_create_dir(struct dentry *parent,
+ const char *fmt, ...)
+{
+ struct dentry *de;
+ va_list ap;
+ char *s;
+
+ va_start(ap, fmt);
+ s = kvasprintf(GFP_KERNEL, fmt, ap);
+ va_end(ap);
+
+ if (!s)
+ return NULL;
+
+ de = debugfs_create_dir(s, parent);
+ kfree(s);
+
+ return de;
+}
+
static void soc_init_codec_debugfs(struct snd_soc_codec *codec)
{
- struct dentry *debugfs_card_root = codec->card->debugfs_card_root;
+ struct dentry *debugfs_card_root = codec->component.card->debugfs_card_root;
- codec->debugfs_codec_root = debugfs_create_dir(codec->name,
- debugfs_card_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");
@@ -304,17 +325,18 @@ static void soc_cleanup_codec_debugfs(struct snd_soc_codec *codec)
static void soc_init_platform_debugfs(struct snd_soc_platform *platform)
{
- struct dentry *debugfs_card_root = platform->card->debugfs_card_root;
+ struct dentry *debugfs_card_root = platform->component.card->debugfs_card_root;
- platform->debugfs_platform_root = debugfs_create_dir(platform->name,
- 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->dapm,
+ snd_soc_dapm_debugfs_init(&platform->component.dapm,
platform->debugfs_platform_root);
}
@@ -335,7 +357,7 @@ static ssize_t codec_list_read_file(struct file *file, char __user *user_buf,
list_for_each_entry(codec, &codec_list, list) {
len = snprintf(buf + ret, PAGE_SIZE - ret, "%s\n",
- codec->name);
+ codec->component.name);
if (len >= 0)
ret += len;
if (ret > PAGE_SIZE) {
@@ -406,7 +428,7 @@ static ssize_t platform_list_read_file(struct file *file,
list_for_each_entry(platform, &platform_list, list) {
len = snprintf(buf + ret, PAGE_SIZE - ret, "%s\n",
- platform->name);
+ platform->component.name);
if (len >= 0)
ret += len;
if (ret > PAGE_SIZE) {
@@ -524,11 +546,12 @@ static int soc_ac97_dev_register(struct snd_soc_codec *codec)
int err;
codec->ac97->dev.bus = &ac97_bus_type;
- codec->ac97->dev.parent = codec->card->dev;
+ codec->ac97->dev.parent = codec->component.card->dev;
codec->ac97->dev.release = soc_ac97_device_release;
dev_set_name(&codec->ac97->dev, "%d-%d:%s",
- codec->card->snd_card->number, 0, codec->name);
+ codec->component.card->snd_card->number, 0,
+ codec->component.name);
err = device_register(&codec->ac97->dev);
if (err < 0) {
dev_err(codec->dev, "ASoC: Can't register ac97 bus\n");
@@ -554,7 +577,7 @@ int snd_soc_suspend(struct device *dev)
{
struct snd_soc_card *card = dev_get_drvdata(dev);
struct snd_soc_codec *codec;
- int i;
+ int i, j;
/* If the initialization of this soc device failed, there is no codec
* associated with it. Just bail out in this case.
@@ -574,14 +597,17 @@ int snd_soc_suspend(struct device *dev)
/* mute any active DACs */
for (i = 0; i < card->num_rtd; i++) {
- struct snd_soc_dai *dai = card->rtd[i].codec_dai;
- struct snd_soc_dai_driver *drv = dai->driver;
if (card->rtd[i].dai_link->ignore_suspend)
continue;
- if (drv->ops->digital_mute && dai->playback_active)
- drv->ops->digital_mute(dai, 1);
+ for (j = 0; j < card->rtd[i].num_codecs; j++) {
+ struct snd_soc_dai *dai = card->rtd[i].codec_dais[j];
+ struct snd_soc_dai_driver *drv = dai->driver;
+
+ if (drv->ops->digital_mute && dai->playback_active)
+ drv->ops->digital_mute(dai, 1);
+ }
}
/* suspend all pcms */
@@ -612,8 +638,12 @@ int snd_soc_suspend(struct device *dev)
/* close any waiting streams and save state */
for (i = 0; i < card->num_rtd; i++) {
+ struct snd_soc_dai **codec_dais = card->rtd[i].codec_dais;
flush_delayed_work(&card->rtd[i].delayed_work);
- card->rtd[i].codec->dapm.suspend_bias_level = card->rtd[i].codec->dapm.bias_level;
+ for (j = 0; j < card->rtd[i].num_codecs; j++) {
+ codec_dais[j]->codec->dapm.suspend_bias_level =
+ codec_dais[j]->codec->dapm.bias_level;
+ }
}
for (i = 0; i < card->num_rtd; i++) {
@@ -697,7 +727,7 @@ static void soc_resume_deferred(struct work_struct *work)
struct snd_soc_card *card =
container_of(work, struct snd_soc_card, deferred_resume_work);
struct snd_soc_codec *codec;
- int i;
+ int i, j;
/* our power state is still SNDRV_CTL_POWER_D3hot from suspend time,
* so userspace apps are blocked from touching us
@@ -758,14 +788,17 @@ static void soc_resume_deferred(struct work_struct *work)
/* unmute any active DACs */
for (i = 0; i < card->num_rtd; i++) {
- struct snd_soc_dai *dai = card->rtd[i].codec_dai;
- struct snd_soc_dai_driver *drv = dai->driver;
if (card->rtd[i].dai_link->ignore_suspend)
continue;
- if (drv->ops->digital_mute && dai->playback_active)
- drv->ops->digital_mute(dai, 0);
+ for (j = 0; j < card->rtd[i].num_codecs; j++) {
+ struct snd_soc_dai *dai = card->rtd[i].codec_dais[j];
+ struct snd_soc_dai_driver *drv = dai->driver;
+
+ if (drv->ops->digital_mute && dai->playback_active)
+ drv->ops->digital_mute(dai, 0);
+ }
}
for (i = 0; i < card->num_rtd; i++) {
@@ -810,12 +843,19 @@ int snd_soc_resume(struct device *dev)
/* activate pins from sleep state */
for (i = 0; i < card->num_rtd; i++) {
- struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai;
- struct snd_soc_dai *codec_dai = card->rtd[i].codec_dai;
+ struct snd_soc_pcm_runtime *rtd = &card->rtd[i];
+ struct snd_soc_dai **codec_dais = rtd->codec_dais;
+ struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
+ int j;
+
if (cpu_dai->active)
pinctrl_pm_select_default_state(cpu_dai->dev);
- if (codec_dai->active)
- pinctrl_pm_select_default_state(codec_dai->dev);
+
+ for (j = 0; j < rtd->num_codecs; j++) {
+ struct snd_soc_dai *codec_dai = codec_dais[j];
+ if (codec_dai->active)
+ pinctrl_pm_select_default_state(codec_dai->dev);
+ }
}
/* AC97 devices might have other drivers hanging off them so
@@ -847,8 +887,9 @@ 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_codec *soc_find_codec(
+ const struct device_node *codec_of_node,
+ const char *codec_name)
{
struct snd_soc_codec *codec;
@@ -857,7 +898,7 @@ static struct snd_soc_codec *soc_find_codec(const struct device_node *codec_of_n
if (codec->dev->of_node != codec_of_node)
continue;
} else {
- if (strcmp(codec->name, codec_name))
+ if (strcmp(codec->component.name, codec_name))
continue;
}
@@ -886,9 +927,12 @@ 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 **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);
@@ -915,24 +959,30 @@ static int soc_bind_dai_link(struct snd_soc_card *card, int num)
return -EPROBE_DEFER;
}
- /* Find CODEC from registered list */
- rtd->codec = soc_find_codec(dai_link->codec_of_node,
- dai_link->codec_name);
- if (!rtd->codec) {
- dev_err(card->dev, "ASoC: CODEC %s not registered\n",
- dai_link->codec_name);
- return -EPROBE_DEFER;
- }
+ rtd->num_codecs = dai_link->num_codecs;
- /* Find CODEC DAI from registered list */
- rtd->codec_dai = soc_find_codec_dai(rtd->codec,
- dai_link->codec_dai_name);
- if (!rtd->codec_dai) {
- dev_err(card->dev, "ASoC: CODEC DAI %s not registered\n",
- dai_link->codec_dai_name);
- return -EPROBE_DEFER;
+ /* 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);
+ if (!codec_dais[i]) {
+ dev_err(card->dev, "ASoC: CODEC DAI %s not registered\n",
+ codecs[i].dai_name);
+ return -EPROBE_DEFER;
+ }
}
+ /* Single codec links expect codec and codec_dai in runtime data */
+ rtd->codec_dai = codec_dais[0];
+ rtd->codec = rtd->codec_dai->codec;
+
/* if there's no platform we match on the empty platform */
platform_name = dai_link->platform_name;
if (!platform_name && !dai_link->platform_of_node)
@@ -945,7 +995,7 @@ static int soc_bind_dai_link(struct snd_soc_card *card, int num)
dai_link->platform_of_node)
continue;
} else {
- if (strcmp(platform->name, platform_name))
+ if (strcmp(platform->component.name, platform_name))
continue;
}
@@ -974,11 +1024,10 @@ static int soc_remove_platform(struct snd_soc_platform *platform)
}
/* Make sure all DAPM widgets are freed */
- snd_soc_dapm_free(&platform->dapm);
+ snd_soc_dapm_free(&platform->component.dapm);
soc_cleanup_platform_debugfs(platform);
platform->probed = 0;
- list_del(&platform->card_list);
module_put(platform->dev->driver->owner);
return 0;
@@ -1023,8 +1072,8 @@ static void soc_remove_codec_dai(struct snd_soc_dai *codec_dai, int order)
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 *codec_dai = rtd->codec_dai, *cpu_dai = rtd->cpu_dai;
- int err;
+ struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
+ int i, err;
/* unregister the rtd device */
if (rtd->dev_registered) {
@@ -1035,7 +1084,8 @@ static void soc_remove_link_dais(struct snd_soc_card *card, int num, int order)
}
/* remove the CODEC DAI */
- soc_remove_codec_dai(codec_dai, order);
+ for (i = 0; i < rtd->num_codecs; i++)
+ soc_remove_codec_dai(rtd->codec_dais[i], order);
/* remove the cpu_dai */
if (cpu_dai && cpu_dai->probed &&
@@ -1048,11 +1098,8 @@ static void soc_remove_link_dais(struct snd_soc_card *card, int num, int order)
cpu_dai->name, err);
}
cpu_dai->probed = 0;
-
- if (!cpu_dai->codec) {
- snd_soc_dapm_free(&cpu_dai->dapm);
+ if (!cpu_dai->codec)
module_put(cpu_dai->dev->driver->owner);
- }
}
}
@@ -1061,9 +1108,9 @@ 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_dai *codec_dai = rtd->codec_dai;
struct snd_soc_platform *platform = rtd->platform;
struct snd_soc_codec *codec;
+ int i;
/* remove the platform */
if (platform && platform->probed &&
@@ -1072,8 +1119,8 @@ static void soc_remove_link_components(struct snd_soc_card *card, int num,
}
/* remove the CODEC-side CODEC */
- if (codec_dai) {
- codec = codec_dai->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);
@@ -1108,7 +1155,7 @@ static void soc_remove_dai_links(struct snd_soc_card *card)
}
static void soc_set_name_prefix(struct snd_soc_card *card,
- struct snd_soc_codec *codec)
+ struct snd_soc_component *component)
{
int i;
@@ -1117,11 +1164,11 @@ static void soc_set_name_prefix(struct snd_soc_card *card,
for (i = 0; i < card->num_configs; i++) {
struct snd_soc_codec_conf *map = &card->codec_conf[i];
- if (map->of_node && codec->dev->of_node != map->of_node)
+ if (map->of_node && component->dev->of_node != map->of_node)
continue;
- if (map->dev_name && strcmp(codec->name, map->dev_name))
+ if (map->dev_name && strcmp(component->name, map->dev_name))
continue;
- codec->name_prefix = map->name_prefix;
+ component->name_prefix = map->name_prefix;
break;
}
}
@@ -1133,9 +1180,9 @@ static int soc_probe_codec(struct snd_soc_card *card,
const struct snd_soc_codec_driver *driver = codec->driver;
struct snd_soc_dai *dai;
- codec->card = card;
+ codec->component.card = card;
codec->dapm.card = card;
- soc_set_name_prefix(card, codec);
+ soc_set_name_prefix(card, &codec->component);
if (!try_module_get(codec->dev->driver->owner))
return -ENODEV;
@@ -1177,7 +1224,7 @@ static int soc_probe_codec(struct snd_soc_card *card,
WARN(codec->dapm.idle_bias_off &&
codec->dapm.bias_level != SND_SOC_BIAS_OFF,
"codec %s can not start from non-off bias with idle_bias_off==1\n",
- codec->name);
+ codec->component.name);
}
if (driver->controls)
@@ -1209,8 +1256,8 @@ static int soc_probe_platform(struct snd_soc_card *card,
struct snd_soc_component *component;
struct snd_soc_dai *dai;
- platform->card = card;
- platform->dapm.card = card;
+ platform->component.card = card;
+ platform->component.dapm.card = card;
if (!try_module_get(platform->dev->driver->owner))
return -ENODEV;
@@ -1218,7 +1265,7 @@ static int soc_probe_platform(struct snd_soc_card *card,
soc_init_platform_debugfs(platform);
if (driver->dapm_widgets)
- snd_soc_dapm_new_controls(&platform->dapm,
+ snd_soc_dapm_new_controls(&platform->component.dapm,
driver->dapm_widgets, driver->num_dapm_widgets);
/* Create DAPM widgets for each DAI stream */
@@ -1226,10 +1273,11 @@ static int soc_probe_platform(struct snd_soc_card *card,
if (component->dev != platform->dev)
continue;
list_for_each_entry(dai, &component->dai_list, list)
- snd_soc_dapm_new_dai_widgets(&platform->dapm, dai);
+ snd_soc_dapm_new_dai_widgets(&platform->component.dapm,
+ dai);
}
- platform->dapm.idle_bias_off = 1;
+ platform->component.dapm.idle_bias_off = 1;
if (driver->probe) {
ret = driver->probe(platform);
@@ -1244,13 +1292,12 @@ static int soc_probe_platform(struct snd_soc_card *card,
snd_soc_add_platform_controls(platform, driver->controls,
driver->num_controls);
if (driver->dapm_routes)
- snd_soc_dapm_add_routes(&platform->dapm, driver->dapm_routes,
- driver->num_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->card_list, &card->platform_dev_list);
- list_add(&platform->dapm.list, &card->dapm_list);
+ list_add(&platform->component.dapm.list, &card->dapm_list);
return 0;
@@ -1266,83 +1313,17 @@ static void rtd_release(struct device *dev)
kfree(dev);
}
-static int soc_aux_dev_init(struct snd_soc_card *card,
- struct snd_soc_codec *codec,
- int num)
-{
- struct snd_soc_aux_dev *aux_dev = &card->aux_dev[num];
- struct snd_soc_pcm_runtime *rtd = &card->rtd_aux[num];
- int ret;
-
- rtd->card = card;
-
- /* do machine specific initialization */
- if (aux_dev->init) {
- ret = aux_dev->init(&codec->dapm);
- if (ret < 0)
- return ret;
- }
-
- rtd->codec = codec;
-
- return 0;
-}
-
-static int soc_dai_link_init(struct snd_soc_card *card,
- struct snd_soc_codec *codec,
- int num)
+static int soc_post_component_init(struct snd_soc_pcm_runtime *rtd,
+ const char *name)
{
- struct snd_soc_dai_link *dai_link = &card->dai_link[num];
- struct snd_soc_pcm_runtime *rtd = &card->rtd[num];
- int ret;
-
- rtd->card = card;
-
- /* do machine specific initialization */
- if (dai_link->init) {
- ret = dai_link->init(rtd);
- if (ret < 0)
- return ret;
- }
-
- rtd->codec = codec;
-
- return 0;
-}
-
-static int soc_post_component_init(struct snd_soc_card *card,
- struct snd_soc_codec *codec,
- int num, int dailess)
-{
- struct snd_soc_dai_link *dai_link = NULL;
- struct snd_soc_aux_dev *aux_dev = NULL;
- struct snd_soc_pcm_runtime *rtd;
- const char *name;
int ret = 0;
- if (!dailess) {
- dai_link = &card->dai_link[num];
- rtd = &card->rtd[num];
- name = dai_link->name;
- ret = soc_dai_link_init(card, codec, num);
- } else {
- aux_dev = &card->aux_dev[num];
- rtd = &card->rtd_aux[num];
- name = aux_dev->name;
- ret = soc_aux_dev_init(card, codec, num);
- }
-
- if (ret < 0) {
- dev_err(card->dev, "ASoC: failed to init %s: %d\n", name, ret);
- return ret;
- }
-
/* register the rtd device */
rtd->dev = kzalloc(sizeof(struct device), GFP_KERNEL);
if (!rtd->dev)
return -ENOMEM;
device_initialize(rtd->dev);
- rtd->dev->parent = card->dev;
+ rtd->dev->parent = rtd->card->dev;
rtd->dev->release = rtd_release;
rtd->dev->init_name = name;
dev_set_drvdata(rtd->dev, rtd);
@@ -1355,7 +1336,7 @@ static int soc_post_component_init(struct snd_soc_card *card,
if (ret < 0) {
/* calling put_device() here to free the rtd->dev */
put_device(rtd->dev);
- dev_err(card->dev,
+ dev_err(rtd->card->dev,
"ASoC: failed to register runtime device: %d\n", ret);
return ret;
}
@@ -1364,26 +1345,15 @@ static int soc_post_component_init(struct snd_soc_card *card,
/* add DAPM sysfs entries for this codec */
ret = snd_soc_dapm_sys_add(rtd->dev);
if (ret < 0)
- dev_err(codec->dev,
+ 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(codec->dev,
+ dev_err(rtd->dev,
"ASoC: failed to add codec sysfs files: %d\n", ret);
-#ifdef CONFIG_DEBUG_FS
- /* add DPCM sysfs entries */
- if (!dailess && !dai_link->dynamic)
- goto out;
-
- ret = soc_dpcm_debugfs_add(rtd);
- if (ret < 0)
- dev_err(rtd->dev, "ASoC: failed to add dpcm sysfs entries: %d\n", ret);
-
-out:
-#endif
return 0;
}
@@ -1392,9 +1362,8 @@ static int soc_probe_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_dai *codec_dai = rtd->codec_dai;
struct snd_soc_platform *platform = rtd->platform;
- int ret;
+ int i, ret;
/* probe the CPU-side component, if it is a CODEC */
if (cpu_dai->codec &&
@@ -1405,12 +1374,14 @@ static int soc_probe_link_components(struct snd_soc_card *card, int num,
return ret;
}
- /* probe the CODEC-side component */
- if (!codec_dai->codec->probed &&
- codec_dai->codec->driver->probe_order == order) {
- ret = soc_probe_codec(card, codec_dai->codec);
- 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);
+ if (ret < 0)
+ return ret;
+ }
}
/* probe the platform */
@@ -1450,12 +1421,16 @@ static int soc_probe_codec_dai(struct snd_soc_card *card,
static int soc_link_dai_widgets(struct snd_soc_card *card,
struct snd_soc_dai_link *dai_link,
- struct snd_soc_dai *cpu_dai,
- struct snd_soc_dai *codec_dai)
+ struct snd_soc_pcm_runtime *rtd)
{
+ struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
+ struct snd_soc_dai *codec_dai = rtd->codec_dai;
struct snd_soc_dapm_widget *play_w, *capture_w;
int ret;
+ if (rtd->num_codecs > 1)
+ dev_warn(card->dev, "ASoC: Multiple codecs not supported yet\n");
+
/* link the DAI widgets */
play_w = codec_dai->playback_widget;
capture_w = cpu_dai->capture_widget;
@@ -1488,19 +1463,18 @@ static int soc_probe_link_dais(struct snd_soc_card *card, int num, int order)
{
struct snd_soc_dai_link *dai_link = &card->dai_link[num];
struct snd_soc_pcm_runtime *rtd = &card->rtd[num];
- struct snd_soc_codec *codec = rtd->codec;
struct snd_soc_platform *platform = rtd->platform;
- struct snd_soc_dai *codec_dai = rtd->codec_dai;
struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
- int ret;
+ int i, ret;
dev_dbg(card->dev, "ASoC: probe %s dai link %d late %d\n",
card->name, num, order);
/* config components */
cpu_dai->platform = platform;
- codec_dai->card = card;
cpu_dai->card = card;
+ for (i = 0; i < rtd->num_codecs; i++)
+ rtd->codec_dais[i]->card = card;
/* set default power off timeout */
rtd->pmdown_time = pmdown_time;
@@ -1509,11 +1483,8 @@ static int soc_probe_link_dais(struct snd_soc_card *card, int num, int order)
if (!cpu_dai->probed &&
cpu_dai->driver->probe_order == order) {
if (!cpu_dai->codec) {
- cpu_dai->dapm.card = card;
if (!try_module_get(cpu_dai->dev->driver->owner))
return -ENODEV;
-
- list_add(&cpu_dai->dapm.list, &card->dapm_list);
}
if (cpu_dai->driver->probe) {
@@ -1530,18 +1501,43 @@ static int soc_probe_link_dais(struct snd_soc_card *card, int num, int order)
}
/* probe the CODEC DAI */
- ret = soc_probe_codec_dai(card, codec_dai, order);
- if (ret)
- return ret;
+ for (i = 0; i < rtd->num_codecs; i++) {
+ ret = soc_probe_codec_dai(card, rtd->codec_dais[i], order);
+ if (ret)
+ return ret;
+ }
/* complete DAI probe during last probe */
if (order != SND_SOC_COMP_ORDER_LAST)
return 0;
- ret = soc_post_component_init(card, codec, num, 0);
+ /* 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;
+ }
+ }
+
+ ret = soc_post_component_init(rtd, dai_link->name);
if (ret)
return ret;
+#ifdef CONFIG_DEBUG_FS
+ /* add DPCM sysfs entries */
+ if (dai_link->dynamic) {
+ ret = soc_dpcm_debugfs_add(rtd);
+ if (ret < 0) {
+ dev_err(rtd->dev,
+ "ASoC: failed to add dpcm sysfs entries: %d\n",
+ ret);
+ return ret;
+ }
+ }
+#endif
+
ret = device_create_file(rtd->dev, &dev_attr_pmdown_time);
if (ret < 0)
dev_warn(rtd->dev, "ASoC: failed to add pmdown_time sysfs: %d\n",
@@ -1570,16 +1566,18 @@ static int soc_probe_link_dais(struct snd_soc_card *card, int num, int order)
codec2codec_close_delayed_work);
/* link the DAI widgets */
- ret = soc_link_dai_widgets(card, dai_link,
- cpu_dai, codec_dai);
+ ret = soc_link_dai_widgets(card, dai_link, rtd);
if (ret)
return ret;
}
}
/* add platform data for AC97 devices */
- if (rtd->codec_dai->driver->ac97_control)
- snd_ac97_dev_add_pdata(codec->ac97, rtd->cpu_dai->ac97_pdata);
+ for (i = 0; i < rtd->num_codecs; i++) {
+ if (rtd->codec_dais[i]->driver->ac97_control)
+ snd_ac97_dev_add_pdata(rtd->codec_dais[i]->codec->ac97,
+ rtd->cpu_dai->ac97_pdata);
+ }
return 0;
}
@@ -1617,11 +1615,6 @@ static int soc_register_ac97_codec(struct snd_soc_codec *codec,
return 0;
}
-static int soc_register_ac97_dai_link(struct snd_soc_pcm_runtime *rtd)
-{
- return soc_register_ac97_codec(rtd->codec, rtd->codec_dai);
-}
-
static void soc_unregister_ac97_codec(struct snd_soc_codec *codec)
{
if (codec->ac97_registered) {
@@ -1630,74 +1623,77 @@ static void soc_unregister_ac97_codec(struct snd_soc_codec *codec)
}
}
-static void soc_unregister_ac97_dai_link(struct snd_soc_pcm_runtime *rtd)
+static int soc_register_ac97_dai_link(struct snd_soc_pcm_runtime *rtd)
{
- soc_unregister_ac97_codec(rtd->codec);
-}
-#endif
+ int i, ret;
-static struct snd_soc_codec *soc_find_matching_codec(struct snd_soc_card *card,
- int num)
-{
- struct snd_soc_aux_dev *aux_dev = &card->aux_dev[num];
- struct snd_soc_codec *codec;
+ for (i = 0; i < rtd->num_codecs; i++) {
+ struct snd_soc_dai *codec_dai = rtd->codec_dais[i];
- /* find CODEC from registered CODECs */
- list_for_each_entry(codec, &codec_list, list) {
- if (aux_dev->codec_of_node &&
- (codec->dev->of_node != aux_dev->codec_of_node))
- continue;
- if (aux_dev->codec_name && strcmp(codec->name, aux_dev->codec_name))
- continue;
- return codec;
+ ret = soc_register_ac97_codec(codec_dai->codec, codec_dai);
+ if (ret) {
+ while (--i >= 0)
+ soc_unregister_ac97_codec(codec_dai->codec);
+ return ret;
+ }
}
- return NULL;
+ return 0;
}
-static int soc_check_aux_dev(struct snd_soc_card *card, int num)
+static void soc_unregister_ac97_dai_link(struct snd_soc_pcm_runtime *rtd)
{
- struct snd_soc_aux_dev *aux_dev = &card->aux_dev[num];
- const char *codecname = aux_dev->codec_name;
- struct snd_soc_codec *codec = soc_find_matching_codec(card, num);
-
- if (codec)
- return 0;
- if (aux_dev->codec_of_node)
- codecname = of_node_full_name(aux_dev->codec_of_node);
+ int i;
- dev_err(card->dev, "ASoC: %s not registered\n", codecname);
- return -EPROBE_DEFER;
+ for (i = 0; i < rtd->num_codecs; i++)
+ soc_unregister_ac97_codec(rtd->codec_dais[i]->codec);
}
+#endif
-static int soc_probe_aux_dev(struct snd_soc_card *card, int num)
+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;
- int ret = -ENODEV;
- struct snd_soc_codec *codec = soc_find_matching_codec(card, num);
- if (!codec) {
+ rtd->codec = soc_find_codec(aux_dev->codec_of_node, codecname);
+ if (!rtd->codec) {
if (aux_dev->codec_of_node)
codecname = of_node_full_name(aux_dev->codec_of_node);
- /* codec not found */
- dev_err(card->dev, "ASoC: codec %s not found", codecname);
+ dev_err(card->dev, "ASoC: %s not registered\n", codecname);
return -EPROBE_DEFER;
}
- if (codec->probed) {
- dev_err(codec->dev, "ASoC: codec already probed");
+ return 0;
+}
+
+static int soc_probe_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];
+ int ret;
+
+ if (rtd->codec->probed) {
+ dev_err(rtd->codec->dev, "ASoC: codec already probed\n");
return -EBUSY;
}
- ret = soc_probe_codec(card, codec);
+ ret = soc_probe_codec(card, rtd->codec);
if (ret < 0)
return ret;
- ret = soc_post_component_init(card, codec, num, 1);
+ /* do machine specific initialization */
+ if (aux_dev->init) {
+ ret = aux_dev->init(&rtd->codec->dapm);
+ if (ret < 0) {
+ dev_err(card->dev, "ASoC: failed to init %s: %d\n",
+ aux_dev->name, ret);
+ return ret;
+ }
+ }
- return ret;
+ return soc_post_component_init(rtd, aux_dev->name);
}
static void soc_remove_aux_dev(struct snd_soc_card *card, int num)
@@ -1749,9 +1745,9 @@ static int snd_soc_instantiate_card(struct snd_soc_card *card)
goto base_error;
}
- /* check aux_devs too */
+ /* bind aux_devs too */
for (i = 0; i < card->num_aux_devs; i++) {
- ret = soc_check_aux_dev(card, i);
+ ret = soc_bind_aux_dev(card, i);
if (ret != 0)
goto base_error;
}
@@ -1849,16 +1845,23 @@ static int snd_soc_instantiate_card(struct snd_soc_card *card)
card->num_dapm_routes);
for (i = 0; i < card->num_links; i++) {
+ struct snd_soc_pcm_runtime *rtd = &card->rtd[i];
dai_link = &card->dai_link[i];
dai_fmt = dai_link->dai_fmt;
if (dai_fmt) {
- ret = snd_soc_dai_set_fmt(card->rtd[i].codec_dai,
- dai_fmt);
- if (ret != 0 && ret != -ENOTSUPP)
- dev_warn(card->rtd[i].codec_dai->dev,
- "ASoC: Failed to set DAI format: %d\n",
- ret);
+ struct snd_soc_dai **codec_dais = rtd->codec_dais;
+ int j;
+
+ for (j = 0; j < rtd->num_codecs; j++) {
+ struct snd_soc_dai *codec_dai = codec_dais[j];
+
+ ret = snd_soc_dai_set_fmt(codec_dai, dai_fmt);
+ if (ret != 0 && ret != -ENOTSUPP)
+ dev_warn(codec_dai->dev,
+ "ASoC: Failed to set DAI format: %d\n",
+ ret);
+ }
}
/* If this is a regular CPU link there will be a platform */
@@ -1927,8 +1930,7 @@ static int snd_soc_instantiate_card(struct snd_soc_card *card)
}
if (card->fully_routed)
- list_for_each_entry(codec, &card->codec_dev_list, card_list)
- snd_soc_dapm_auto_nc_codec_pins(codec);
+ snd_soc_dapm_auto_nc_pins(card);
snd_soc_dapm_new_widgets(card);
@@ -2058,10 +2060,15 @@ int snd_soc_poweroff(struct device *dev)
/* deactivate pins to sleep state */
for (i = 0; i < card->num_rtd; i++) {
- struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai;
- struct snd_soc_dai *codec_dai = card->rtd[i].codec_dai;
- pinctrl_pm_select_sleep_state(codec_dai->dev);
+ struct snd_soc_pcm_runtime *rtd = &card->rtd[i];
+ struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
+ int j;
+
pinctrl_pm_select_sleep_state(cpu_dai->dev);
+ for (j = 0; j < rtd->num_codecs; j++) {
+ struct snd_soc_dai *codec_dai = rtd->codec_dais[j];
+ pinctrl_pm_select_sleep_state(codec_dai->dev);
+ }
}
return 0;
@@ -2387,6 +2394,25 @@ struct snd_kcontrol *snd_soc_card_get_kcontrol(struct snd_soc_card *soc_card,
EXPORT_SYMBOL_GPL(snd_soc_card_get_kcontrol);
/**
+ * snd_soc_add_component_controls - Add an array of controls to a component.
+ *
+ * @component: Component to add controls to
+ * @controls: Array of controls to add
+ * @num_controls: Number of elements in the array
+ *
+ * Return: 0 for success, else error.
+ */
+int snd_soc_add_component_controls(struct snd_soc_component *component,
+ const struct snd_kcontrol_new *controls, unsigned int num_controls)
+{
+ struct snd_card *card = component->card->snd_card;
+
+ return snd_soc_add_controls(card, component->dev, controls,
+ num_controls, component->name_prefix, component);
+}
+EXPORT_SYMBOL_GPL(snd_soc_add_component_controls);
+
+/**
* snd_soc_add_codec_controls - add an array of controls to a codec.
* Convenience function to add a list of controls. Many codecs were
* duplicating this code.
@@ -2398,12 +2424,10 @@ EXPORT_SYMBOL_GPL(snd_soc_card_get_kcontrol);
* Return 0 for success, else error.
*/
int snd_soc_add_codec_controls(struct snd_soc_codec *codec,
- const struct snd_kcontrol_new *controls, int num_controls)
+ const struct snd_kcontrol_new *controls, unsigned int num_controls)
{
- struct snd_card *card = codec->card->snd_card;
-
- return snd_soc_add_controls(card, codec->dev, controls, num_controls,
- codec->name_prefix, &codec->component);
+ return snd_soc_add_component_controls(&codec->component, controls,
+ num_controls);
}
EXPORT_SYMBOL_GPL(snd_soc_add_codec_controls);
@@ -2418,12 +2442,10 @@ EXPORT_SYMBOL_GPL(snd_soc_add_codec_controls);
* Return 0 for success, else error.
*/
int snd_soc_add_platform_controls(struct snd_soc_platform *platform,
- const struct snd_kcontrol_new *controls, int num_controls)
+ const struct snd_kcontrol_new *controls, unsigned int num_controls)
{
- struct snd_card *card = platform->card->snd_card;
-
- return snd_soc_add_controls(card, platform->dev, controls, num_controls,
- NULL, &platform->component);
+ return snd_soc_add_component_controls(&platform->component, controls,
+ num_controls);
}
EXPORT_SYMBOL_GPL(snd_soc_add_platform_controls);
@@ -3095,7 +3117,7 @@ EXPORT_SYMBOL_GPL(snd_soc_get_volsw_range);
int snd_soc_limit_volume(struct snd_soc_codec *codec,
const char *name, int max)
{
- struct snd_card *card = codec->card->snd_card;
+ struct snd_card *card = codec->component.card->snd_card;
struct snd_kcontrol *kctl;
struct soc_mixer_control *mc;
int found = 0;
@@ -3267,6 +3289,27 @@ int snd_soc_bytes_info_ext(struct snd_kcontrol *kcontrol,
}
EXPORT_SYMBOL_GPL(snd_soc_bytes_info_ext);
+int snd_soc_bytes_tlv_callback(struct snd_kcontrol *kcontrol, int op_flag,
+ unsigned int size, unsigned int __user *tlv)
+{
+ struct soc_bytes_ext *params = (void *)kcontrol->private_value;
+ unsigned int count = size < params->max ? size : params->max;
+ int ret = -ENXIO;
+
+ switch (op_flag) {
+ case SNDRV_CTL_TLV_OP_READ:
+ if (params->get)
+ ret = params->get(tlv, count);
+ break;
+ case SNDRV_CTL_TLV_OP_WRITE:
+ if (params->put)
+ ret = params->put(tlv, count);
+ break;
+ }
+ return ret;
+}
+EXPORT_SYMBOL_GPL(snd_soc_bytes_tlv_callback);
+
/**
* snd_soc_info_xr_sx - signed multi register info callback
* @kcontrol: mreg control
@@ -3641,6 +3684,9 @@ int snd_soc_dai_set_tdm_slot(struct snd_soc_dai *dai,
else
snd_soc_xlate_tdm_slot_mask(slots, &tx_mask, &rx_mask);
+ dai->tx_mask = tx_mask;
+ dai->rx_mask = rx_mask;
+
if (dai->driver && dai->driver->ops->set_tdm_slot)
return dai->driver->ops->set_tdm_slot(dai, tx_mask, rx_mask,
slots, slot_width);
@@ -3713,6 +3759,33 @@ int snd_soc_dai_digital_mute(struct snd_soc_dai *dai, int mute,
}
EXPORT_SYMBOL_GPL(snd_soc_dai_digital_mute);
+static int snd_soc_init_multicodec(struct snd_soc_card *card,
+ struct snd_soc_dai_link *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) {
+ dai_link->num_codecs = 1;
+
+ dai_link->codecs = devm_kzalloc(card->dev,
+ sizeof(struct snd_soc_dai_link_component),
+ GFP_KERNEL);
+ if (!dai_link->codecs)
+ return -ENOMEM;
+
+ dai_link->codecs[0].name = dai_link->codec_name;
+ dai_link->codecs[0].of_node = dai_link->codec_of_node;
+ dai_link->codecs[0].dai_name = dai_link->codec_dai_name;
+ }
+
+ if (!dai_link->codecs) {
+ dev_err(card->dev, "ASoC: DAI link has no CODECs\n");
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
/**
* snd_soc_register_card - Register a card with the ASoC core
*
@@ -3721,7 +3794,7 @@ EXPORT_SYMBOL_GPL(snd_soc_dai_digital_mute);
*/
int snd_soc_register_card(struct snd_soc_card *card)
{
- int i, ret;
+ int i, j, ret;
if (!card->name || !card->dev)
return -EINVAL;
@@ -3729,22 +3802,29 @@ int snd_soc_register_card(struct snd_soc_card *card)
for (i = 0; i < card->num_links; i++) {
struct snd_soc_dai_link *link = &card->dai_link[i];
- /*
- * Codec must be specified by 1 of name or OF node,
- * not both or neither.
- */
- if (!!link->codec_name == !!link->codec_of_node) {
- dev_err(card->dev,
- "ASoC: Neither/both codec name/of_node are set for %s\n",
- link->name);
- return -EINVAL;
+ ret = snd_soc_init_multicodec(card, link);
+ if (ret) {
+ dev_err(card->dev, "ASoC: failed to init multicodec\n");
+ return ret;
}
- /* Codec DAI name must be specified */
- if (!link->codec_dai_name) {
- dev_err(card->dev,
- "ASoC: codec_dai_name not set for %s\n",
- link->name);
- return -EINVAL;
+
+ for (j = 0; j < link->num_codecs; j++) {
+ /*
+ * Codec must be specified by 1 of name or OF node,
+ * not both or neither.
+ */
+ if (!!link->codecs[j].name ==
+ !!link->codecs[j].of_node) {
+ dev_err(card->dev, "ASoC: Neither/both codec name/of_node are set for %s\n",
+ link->name);
+ return -EINVAL;
+ }
+ /* Codec DAI name must be specified */
+ if (!link->codecs[j].dai_name) {
+ dev_err(card->dev, "ASoC: codec_dai_name not set for %s\n",
+ link->name);
+ return -EINVAL;
+ }
}
/*
@@ -3797,8 +3877,19 @@ int snd_soc_register_card(struct snd_soc_card *card)
card->num_rtd = 0;
card->rtd_aux = &card->rtd[card->num_links];
- for (i = 0; i < card->num_links; i++)
+ for (i = 0; i < card->num_links; i++) {
+ card->rtd[i].card = card;
card->rtd[i].dai_link = &card->dai_link[i];
+ card->rtd[i].codec_dais = devm_kzalloc(card->dev,
+ sizeof(struct snd_soc_dai *) *
+ (card->rtd[i].dai_link->num_codecs),
+ GFP_KERNEL);
+ if (card->rtd[i].codec_dais == NULL)
+ return -ENOMEM;
+ }
+
+ for (i = 0; i < card->num_aux_devs; i++)
+ card->rtd_aux[i].card = card;
INIT_LIST_HEAD(&card->dapm_dirty);
card->instantiated = 0;
@@ -3811,10 +3902,16 @@ int snd_soc_register_card(struct snd_soc_card *card)
/* deactivate pins to sleep state */
for (i = 0; i < card->num_rtd; i++) {
- struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai;
- struct snd_soc_dai *codec_dai = card->rtd[i].codec_dai;
- if (!codec_dai->active)
- pinctrl_pm_select_sleep_state(codec_dai->dev);
+ struct snd_soc_pcm_runtime *rtd = &card->rtd[i];
+ struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
+ int j;
+
+ for (j = 0; j < rtd->num_codecs; j++) {
+ struct snd_soc_dai *codec_dai = rtd->codec_dais[j];
+ if (!codec_dai->active)
+ pinctrl_pm_select_sleep_state(codec_dai->dev);
+ }
+
if (!cpu_dai->active)
pinctrl_pm_select_sleep_state(cpu_dai->dev);
}
@@ -3921,16 +4018,14 @@ static void snd_soc_unregister_dais(struct snd_soc_component *component)
* snd_soc_register_dais - Register a DAI with the ASoC core
*
* @component: The component the DAIs are registered for
- * @codec: The CODEC that the DAIs are registered for, NULL if the component is
- * not a CODEC.
* @dai_drv: DAI driver to use for the DAIs
* @count: Number of DAIs
* @legacy_dai_naming: Use the legacy naming scheme and let the DAI inherit the
* parent's name.
*/
static int snd_soc_register_dais(struct snd_soc_component *component,
- struct snd_soc_codec *codec, struct snd_soc_dai_driver *dai_drv,
- size_t count, bool legacy_dai_naming)
+ struct snd_soc_dai_driver *dai_drv, size_t count,
+ bool legacy_dai_naming)
{
struct device *dev = component->dev;
struct snd_soc_dai *dai;
@@ -3939,6 +4034,9 @@ static int snd_soc_register_dais(struct snd_soc_component *component,
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);
@@ -3971,16 +4069,11 @@ static int snd_soc_register_dais(struct snd_soc_component *component,
}
dai->component = component;
- dai->codec = codec;
dai->dev = dev;
dai->driver = &dai_drv[i];
- dai->dapm.dev = dev;
if (!dai->driver->ops)
dai->driver->ops = &null_dai_ops;
- if (!dai->codec)
- dai->dapm.idle_bias_off = 1;
-
list_add(&dai->list, &component->dai_list);
dev_dbg(dev, "ASoC: Registered DAI '%s'\n", dai->name);
@@ -3994,60 +4087,82 @@ err:
return ret;
}
-/**
- * snd_soc_register_component - Register a component with the ASoC core
- *
- */
-static int
-__snd_soc_register_component(struct device *dev,
- struct snd_soc_component *cmpnt,
- const struct snd_soc_component_driver *cmpnt_drv,
- struct snd_soc_codec *codec,
- struct snd_soc_dai_driver *dai_drv,
- int num_dai, bool allow_single_dai)
+static void snd_soc_component_seq_notifier(struct snd_soc_dapm_context *dapm,
+ enum snd_soc_dapm_type type, int subseq)
{
- int ret;
+ struct snd_soc_component *component = dapm->component;
- dev_dbg(dev, "component register %s\n", dev_name(dev));
+ component->driver->seq_notifier(component, type, subseq);
+}
- if (!cmpnt) {
- dev_err(dev, "ASoC: Failed to connecting component\n");
- return -ENOMEM;
- }
+static int snd_soc_component_stream_event(struct snd_soc_dapm_context *dapm,
+ int event)
+{
+ struct snd_soc_component *component = dapm->component;
- mutex_init(&cmpnt->io_mutex);
+ return component->driver->stream_event(component, event);
+}
+
+static int snd_soc_component_initialize(struct snd_soc_component *component,
+ const struct snd_soc_component_driver *driver, struct device *dev)
+{
+ struct snd_soc_dapm_context *dapm;
- cmpnt->name = fmt_single_name(dev, &cmpnt->id);
- if (!cmpnt->name) {
- dev_err(dev, "ASoC: Failed to simplifying name\n");
+ component->name = fmt_single_name(dev, &component->id);
+ if (!component->name) {
+ dev_err(dev, "ASoC: Failed to allocate name\n");
return -ENOMEM;
}
- cmpnt->dev = dev;
- cmpnt->driver = cmpnt_drv;
- cmpnt->dai_drv = dai_drv;
- cmpnt->num_dai = num_dai;
- INIT_LIST_HEAD(&cmpnt->dai_list);
+ component->dev = dev;
+ component->driver = driver;
- ret = snd_soc_register_dais(cmpnt, codec, dai_drv, num_dai,
- allow_single_dai);
- if (ret < 0) {
- dev_err(dev, "ASoC: Failed to regster DAIs: %d\n", ret);
- goto error_component_name;
- }
+ if (!component->dapm_ptr)
+ component->dapm_ptr = &component->dapm;
+
+ dapm = component->dapm_ptr;
+ dapm->dev = dev;
+ dapm->component = component;
+ dapm->bias_level = SND_SOC_BIAS_OFF;
+ if (driver->seq_notifier)
+ dapm->seq_notifier = snd_soc_component_seq_notifier;
+ if (driver->stream_event)
+ dapm->stream_event = snd_soc_component_stream_event;
+
+ INIT_LIST_HEAD(&component->dai_list);
+ mutex_init(&component->io_mutex);
+ return 0;
+}
+
+static void snd_soc_component_add_unlocked(struct snd_soc_component *component)
+{
+ list_add(&component->list, &component_list);
+}
+
+static void snd_soc_component_add(struct snd_soc_component *component)
+{
mutex_lock(&client_mutex);
- list_add(&cmpnt->list, &component_list);
+ snd_soc_component_add_unlocked(component);
mutex_unlock(&client_mutex);
+}
- dev_dbg(cmpnt->dev, "ASoC: Registered component '%s'\n", cmpnt->name);
-
- return ret;
+static void snd_soc_component_cleanup(struct snd_soc_component *component)
+{
+ snd_soc_unregister_dais(component);
+ kfree(component->name);
+}
-error_component_name:
- kfree(cmpnt->name);
+static void snd_soc_component_del_unlocked(struct snd_soc_component *component)
+{
+ list_del(&component->list);
+}
- return ret;
+static void snd_soc_component_del(struct snd_soc_component *component)
+{
+ mutex_lock(&client_mutex);
+ snd_soc_component_del_unlocked(component);
+ mutex_unlock(&client_mutex);
}
int snd_soc_register_component(struct device *dev,
@@ -4056,32 +4171,38 @@ int snd_soc_register_component(struct device *dev,
int num_dai)
{
struct snd_soc_component *cmpnt;
+ int ret;
- cmpnt = devm_kzalloc(dev, sizeof(*cmpnt), GFP_KERNEL);
+ cmpnt = kzalloc(sizeof(*cmpnt), GFP_KERNEL);
if (!cmpnt) {
dev_err(dev, "ASoC: Failed to allocate memory\n");
return -ENOMEM;
}
+ ret = snd_soc_component_initialize(cmpnt, cmpnt_drv, dev);
+ if (ret)
+ goto err_free;
+
cmpnt->ignore_pmdown_time = true;
cmpnt->registered_as_component = true;
- return __snd_soc_register_component(dev, cmpnt, cmpnt_drv, NULL,
- dai_drv, num_dai, true);
-}
-EXPORT_SYMBOL_GPL(snd_soc_register_component);
+ ret = snd_soc_register_dais(cmpnt, dai_drv, num_dai, true);
+ if (ret < 0) {
+ dev_err(dev, "ASoC: Failed to regster DAIs: %d\n", ret);
+ goto err_cleanup;
+ }
-static void __snd_soc_unregister_component(struct snd_soc_component *cmpnt)
-{
- snd_soc_unregister_dais(cmpnt);
+ snd_soc_component_add(cmpnt);
- mutex_lock(&client_mutex);
- list_del(&cmpnt->list);
- mutex_unlock(&client_mutex);
+ return 0;
- dev_dbg(cmpnt->dev, "ASoC: Unregistered component '%s'\n", cmpnt->name);
- kfree(cmpnt->name);
+err_cleanup:
+ snd_soc_component_cleanup(cmpnt);
+err_free:
+ kfree(cmpnt);
+ return ret;
}
+EXPORT_SYMBOL_GPL(snd_soc_register_component);
/**
* snd_soc_unregister_component - Unregister a component from the ASoC core
@@ -4098,7 +4219,9 @@ void snd_soc_unregister_component(struct device *dev)
return;
found:
- __snd_soc_unregister_component(cmpnt);
+ snd_soc_component_del(cmpnt);
+ snd_soc_component_cleanup(cmpnt);
+ kfree(cmpnt);
}
EXPORT_SYMBOL_GPL(snd_soc_unregister_component);
@@ -4131,37 +4254,25 @@ int snd_soc_add_platform(struct device *dev, struct snd_soc_platform *platform,
{
int ret;
- /* create platform component name */
- platform->name = fmt_single_name(dev, &platform->id);
- if (platform->name == NULL)
- return -ENOMEM;
+ ret = snd_soc_component_initialize(&platform->component,
+ &platform_drv->component_driver, dev);
+ if (ret)
+ return ret;
platform->dev = dev;
platform->driver = platform_drv;
- platform->dapm.dev = dev;
- platform->dapm.platform = platform;
- platform->dapm.component = &platform->component;
- platform->dapm.stream_event = platform_drv->stream_event;
if (platform_drv->write)
platform->component.write = snd_soc_platform_drv_write;
if (platform_drv->read)
platform->component.read = snd_soc_platform_drv_read;
- /* register component */
- ret = __snd_soc_register_component(dev, &platform->component,
- &platform_drv->component_driver,
- NULL, NULL, 0, false);
- if (ret < 0) {
- dev_err(platform->component.dev,
- "ASoC: Failed to register component: %d\n", ret);
- return ret;
- }
-
mutex_lock(&client_mutex);
+ snd_soc_component_add_unlocked(&platform->component);
list_add(&platform->list, &platform_list);
mutex_unlock(&client_mutex);
- dev_dbg(dev, "ASoC: Registered platform '%s'\n", platform->name);
+ dev_dbg(dev, "ASoC: Registered platform '%s'\n",
+ platform->component.name);
return 0;
}
@@ -4198,15 +4309,16 @@ EXPORT_SYMBOL_GPL(snd_soc_register_platform);
*/
void snd_soc_remove_platform(struct snd_soc_platform *platform)
{
- __snd_soc_unregister_component(&platform->component);
mutex_lock(&client_mutex);
list_del(&platform->list);
+ 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->name);
- kfree(platform->name);
+ platform->component.name);
}
EXPORT_SYMBOL_GPL(snd_soc_remove_platform);
@@ -4292,6 +4404,14 @@ static int snd_soc_codec_drv_read(struct snd_soc_component *component,
return 0;
}
+static int snd_soc_codec_set_bias_level(struct snd_soc_dapm_context *dapm,
+ enum snd_soc_bias_level level)
+{
+ struct snd_soc_codec *codec = snd_soc_dapm_to_codec(dapm);
+
+ return codec->driver->set_bias_level(codec, level);
+}
+
/**
* snd_soc_register_codec - Register a codec with the ASoC core
*
@@ -4303,6 +4423,7 @@ int snd_soc_register_codec(struct device *dev,
int num_dai)
{
struct snd_soc_codec *codec;
+ struct snd_soc_dai *dai;
struct regmap *regmap;
int ret, i;
@@ -4312,24 +4433,23 @@ int snd_soc_register_codec(struct device *dev,
if (codec == NULL)
return -ENOMEM;
- /* create CODEC component name */
- codec->name = fmt_single_name(dev, &codec->id);
- if (codec->name == NULL) {
- ret = -ENOMEM;
- goto fail_codec;
- }
+ codec->component.dapm_ptr = &codec->dapm;
+
+ ret = snd_soc_component_initialize(&codec->component,
+ &codec_drv->component_driver, dev);
+ if (ret)
+ goto err_free;
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.bias_level = SND_SOC_BIAS_OFF;
- codec->dapm.dev = dev;
codec->dapm.codec = codec;
- codec->dapm.component = &codec->component;
- codec->dapm.seq_notifier = codec_drv->seq_notifier;
- codec->dapm.stream_event = codec_drv->stream_event;
+ if (codec_drv->seq_notifier)
+ codec->dapm.seq_notifier = codec_drv->seq_notifier;
+ if (codec_drv->set_bias_level)
+ codec->dapm.set_bias_level = snd_soc_codec_set_bias_level;
codec->dev = dev;
codec->driver = codec_drv;
codec->component.val_bytes = codec_drv->reg_word_size;
@@ -4348,7 +4468,7 @@ int snd_soc_register_codec(struct device *dev,
dev_err(codec->dev,
"Failed to set cache I/O:%d\n",
ret);
- return ret;
+ goto err_cleanup;
}
}
}
@@ -4358,29 +4478,27 @@ int snd_soc_register_codec(struct device *dev,
fixup_codec_formats(&dai_drv[i].capture);
}
- mutex_lock(&client_mutex);
- list_add(&codec->list, &codec_list);
- mutex_unlock(&client_mutex);
-
- /* register component */
- ret = __snd_soc_register_component(dev, &codec->component,
- &codec_drv->component_driver,
- codec, dai_drv, num_dai, false);
+ ret = snd_soc_register_dais(&codec->component, dai_drv, num_dai, false);
if (ret < 0) {
- dev_err(codec->dev, "ASoC: Failed to regster component: %d\n", ret);
- goto fail_codec_name;
+ dev_err(dev, "ASoC: Failed to regster DAIs: %d\n", ret);
+ goto err_cleanup;
}
- dev_dbg(codec->dev, "ASoC: Registered codec '%s'\n", codec->name);
- return 0;
+ list_for_each_entry(dai, &codec->component.dai_list, list)
+ dai->codec = codec;
-fail_codec_name:
mutex_lock(&client_mutex);
- list_del(&codec->list);
+ snd_soc_component_add_unlocked(&codec->component);
+ list_add(&codec->list, &codec_list);
mutex_unlock(&client_mutex);
- kfree(codec->name);
-fail_codec:
+ dev_dbg(codec->dev, "ASoC: Registered codec '%s'\n",
+ codec->component.name);
+ return 0;
+
+err_cleanup:
+ snd_soc_component_cleanup(&codec->component);
+err_free:
kfree(codec);
return ret;
}
@@ -4402,16 +4520,17 @@ void snd_soc_unregister_codec(struct device *dev)
return;
found:
- __snd_soc_unregister_component(&codec->component);
mutex_lock(&client_mutex);
list_del(&codec->list);
+ snd_soc_component_del_unlocked(&codec->component);
mutex_unlock(&client_mutex);
- dev_dbg(codec->dev, "ASoC: Unregistered codec '%s'\n", codec->name);
+ dev_dbg(codec->dev, "ASoC: Unregistered codec '%s'\n",
+ codec->component.name);
+ snd_soc_component_cleanup(&codec->component);
snd_soc_cache_exit(codec);
- kfree(codec->name);
kfree(codec);
}
EXPORT_SYMBOL_GPL(snd_soc_unregister_codec);
@@ -4420,9 +4539,16 @@ EXPORT_SYMBOL_GPL(snd_soc_unregister_codec);
int snd_soc_of_parse_card_name(struct snd_soc_card *card,
const char *propname)
{
- struct device_node *np = card->dev->of_node;
+ struct device_node *np;
int ret;
+ if (!card->dev) {
+ pr_err("card->dev is not set before calling %s\n", __func__);
+ return -EINVAL;
+ }
+
+ np = card->dev->of_node;
+
ret = of_property_read_string_index(np, propname, 0, &card->name);
/*
* EINVAL means the property does not exist. This is fine providing