diff options
Diffstat (limited to 'sound/soc/soc-core.c')
-rw-r--r-- | sound/soc/soc-core.c | 143 |
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; } |