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Diffstat (limited to 'sound/soc/soc-core.c')
-rw-r--r--sound/soc/soc-core.c143
1 files changed, 63 insertions, 80 deletions
diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index c0edac80df34..e91879569a0f 100644
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -213,7 +213,7 @@ static umode_t soc_dev_attr_is_visible(struct kobject *kobj,
if (attr == &dev_attr_pmdown_time.attr)
return attr->mode; /* always visible */
- return rtd->codec ? attr->mode : 0; /* enabled only with codec */
+ return rtd->num_codecs ? attr->mode : 0; /* enabled only with codec */
}
static const struct attribute_group soc_dapm_dev_group = {
@@ -349,120 +349,84 @@ static void soc_init_codec_debugfs(struct snd_soc_component *component)
"ASoC: Failed to create codec register debugfs file\n");
}
-static ssize_t codec_list_read_file(struct file *file, char __user *user_buf,
- size_t count, loff_t *ppos)
+static int codec_list_seq_show(struct seq_file *m, void *v)
{
- char *buf = kmalloc(PAGE_SIZE, GFP_KERNEL);
- ssize_t len, ret = 0;
struct snd_soc_codec *codec;
- if (!buf)
- return -ENOMEM;
-
mutex_lock(&client_mutex);
- list_for_each_entry(codec, &codec_list, list) {
- len = snprintf(buf + ret, PAGE_SIZE - ret, "%s\n",
- codec->component.name);
- if (len >= 0)
- ret += len;
- if (ret > PAGE_SIZE) {
- ret = PAGE_SIZE;
- break;
- }
- }
+ list_for_each_entry(codec, &codec_list, list)
+ seq_printf(m, "%s\n", codec->component.name);
mutex_unlock(&client_mutex);
- if (ret >= 0)
- ret = simple_read_from_buffer(user_buf, count, ppos, buf, ret);
-
- kfree(buf);
+ return 0;
+}
- return ret;
+static int codec_list_seq_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, codec_list_seq_show, NULL);
}
static const struct file_operations codec_list_fops = {
- .read = codec_list_read_file,
- .llseek = default_llseek,/* read accesses f_pos */
+ .open = codec_list_seq_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
};
-static ssize_t dai_list_read_file(struct file *file, char __user *user_buf,
- size_t count, loff_t *ppos)
+static int dai_list_seq_show(struct seq_file *m, void *v)
{
- char *buf = kmalloc(PAGE_SIZE, GFP_KERNEL);
- ssize_t len, ret = 0;
struct snd_soc_component *component;
struct snd_soc_dai *dai;
- if (!buf)
- return -ENOMEM;
-
mutex_lock(&client_mutex);
- list_for_each_entry(component, &component_list, list) {
- list_for_each_entry(dai, &component->dai_list, list) {
- len = snprintf(buf + ret, PAGE_SIZE - ret, "%s\n",
- dai->name);
- if (len >= 0)
- ret += len;
- if (ret > PAGE_SIZE) {
- ret = PAGE_SIZE;
- break;
- }
- }
- }
+ list_for_each_entry(component, &component_list, list)
+ list_for_each_entry(dai, &component->dai_list, list)
+ seq_printf(m, "%s\n", dai->name);
mutex_unlock(&client_mutex);
- ret = simple_read_from_buffer(user_buf, count, ppos, buf, ret);
-
- kfree(buf);
+ return 0;
+}
- return ret;
+static int dai_list_seq_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, dai_list_seq_show, NULL);
}
static const struct file_operations dai_list_fops = {
- .read = dai_list_read_file,
- .llseek = default_llseek,/* read accesses f_pos */
+ .open = dai_list_seq_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
};
-static ssize_t platform_list_read_file(struct file *file,
- char __user *user_buf,
- size_t count, loff_t *ppos)
+static int platform_list_seq_show(struct seq_file *m, void *v)
{
- char *buf = kmalloc(PAGE_SIZE, GFP_KERNEL);
- ssize_t len, ret = 0;
struct snd_soc_platform *platform;
- if (!buf)
- return -ENOMEM;
-
mutex_lock(&client_mutex);
- list_for_each_entry(platform, &platform_list, list) {
- len = snprintf(buf + ret, PAGE_SIZE - ret, "%s\n",
- platform->component.name);
- if (len >= 0)
- ret += len;
- if (ret > PAGE_SIZE) {
- ret = PAGE_SIZE;
- break;
- }
- }
+ list_for_each_entry(platform, &platform_list, list)
+ seq_printf(m, "%s\n", platform->component.name);
mutex_unlock(&client_mutex);
- ret = simple_read_from_buffer(user_buf, count, ppos, buf, ret);
-
- kfree(buf);
+ return 0;
+}
- return ret;
+static int platform_list_seq_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, platform_list_seq_show, NULL);
}
static const struct file_operations platform_list_fops = {
- .read = platform_list_read_file,
- .llseek = default_llseek,/* read accesses f_pos */
+ .open = platform_list_seq_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
};
static void soc_init_card_debugfs(struct snd_soc_card *card)
@@ -491,7 +455,6 @@ static void soc_cleanup_card_debugfs(struct snd_soc_card *card)
debugfs_remove_recursive(card->debugfs_card_root);
}
-
static void snd_soc_debugfs_init(void)
{
snd_soc_debugfs_root = debugfs_create_dir("asoc", NULL);
@@ -598,6 +561,7 @@ struct snd_soc_component *snd_soc_rtdcom_lookup(struct snd_soc_pcm_runtime *rtd,
return NULL;
}
+EXPORT_SYMBOL_GPL(snd_soc_rtdcom_lookup);
struct snd_pcm_substream *snd_soc_get_dai_substream(struct snd_soc_card *card,
const char *dai_link, int stream)
@@ -1392,6 +1356,17 @@ static int soc_init_dai_link(struct snd_soc_card *card,
return 0;
}
+void snd_soc_disconnect_sync(struct device *dev)
+{
+ struct snd_soc_component *component = snd_soc_lookup_component(dev, NULL);
+
+ if (!component || !component->card)
+ return;
+
+ snd_card_disconnect_sync(component->card->snd_card);
+}
+EXPORT_SYMBOL_GPL(snd_soc_disconnect_sync);
+
/**
* snd_soc_add_dai_link - Add a DAI link dynamically
* @card: The ASoC card to which the DAI link is added
@@ -1945,7 +1920,9 @@ int snd_soc_runtime_set_dai_fmt(struct snd_soc_pcm_runtime *rtd,
}
/* Flip the polarity for the "CPU" end of a CODEC<->CODEC link */
- if (cpu_dai->codec) {
+ /* the component which has non_legacy_dai_naming is Codec */
+ if (cpu_dai->codec ||
+ cpu_dai->component->driver->non_legacy_dai_naming) {
unsigned int inv_dai_fmt;
inv_dai_fmt = dai_fmt & ~SND_SOC_DAIFMT_MASTER_MASK;
@@ -3149,7 +3126,7 @@ static struct snd_soc_dai *soc_add_dai(struct snd_soc_component *component,
if (!dai->driver->ops)
dai->driver->ops = &null_dai_ops;
- list_add(&dai->list, &component->dai_list);
+ list_add_tail(&dai->list, &component->dai_list);
component->num_dai++;
dev_dbg(dev, "ASoC: Registered DAI '%s'\n", dai->name);
@@ -3176,8 +3153,6 @@ 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;
-
for (i = 0; i < count; i++) {
dai = soc_add_dai(component, dai_drv + i,
@@ -4354,6 +4329,7 @@ int snd_soc_get_dai_name(struct of_phandle_args *args,
args,
dai_name);
} else {
+ struct snd_soc_dai *dai;
int id = -1;
switch (args->args_count) {
@@ -4375,7 +4351,14 @@ int snd_soc_get_dai_name(struct of_phandle_args *args,
ret = 0;
- *dai_name = pos->dai_drv[id].name;
+ /* find target DAI */
+ list_for_each_entry(dai, &pos->dai_list, list) {
+ if (id == 0)
+ break;
+ id--;
+ }
+
+ *dai_name = dai->driver->name;
if (!*dai_name)
*dai_name = pos->name;
}