#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/soc.h>
-#include <sound/soc-dapm.h>
#include <sound/initval.h>
+#define CREATE_TRACE_POINTS
+#include <trace/events/asoc.h>
+
#define NAME_SIZE 32
static DEFINE_MUTEX(pcm_mutex);
{
struct snd_soc_pcm_runtime *rtd =
container_of(dev, struct snd_soc_pcm_runtime, dev);
+ int ret;
- strict_strtol(buf, 10, &rtd->pmdown_time);
+ ret = strict_strtol(buf, 10, &rtd->pmdown_time);
+ if (ret)
+ return ret;
return count;
}
static void soc_init_codec_debugfs(struct snd_soc_codec *codec)
{
- codec->debugfs_codec_root = debugfs_create_dir(codec->name ,
- debugfs_root);
+ struct dentry *debugfs_card_root = codec->card->debugfs_card_root;
+
+ codec->debugfs_codec_root = debugfs_create_dir(codec->name,
+ debugfs_card_root);
if (!codec->debugfs_codec_root) {
printk(KERN_WARNING
"ASoC: Failed to create codec debugfs directory\n");
printk(KERN_WARNING
"ASoC: Failed to create codec register debugfs file\n");
- codec->debugfs_pop_time = debugfs_create_u32("dapm_pop_time", 0644,
- codec->debugfs_codec_root,
- &codec->pop_time);
- if (!codec->debugfs_pop_time)
- printk(KERN_WARNING
- "Failed to create pop time debugfs file\n");
-
- codec->debugfs_dapm = debugfs_create_dir("dapm",
+ codec->dapm.debugfs_dapm = debugfs_create_dir("dapm",
codec->debugfs_codec_root);
- if (!codec->debugfs_dapm)
+ if (!codec->dapm.debugfs_dapm)
printk(KERN_WARNING
"Failed to create DAPM debugfs directory\n");
- snd_soc_dapm_debugfs_init(codec);
+ snd_soc_dapm_debugfs_init(&codec->dapm);
}
static void soc_cleanup_codec_debugfs(struct snd_soc_codec *codec)
.llseek = default_llseek,/* read accesses f_pos */
};
+static void soc_init_card_debugfs(struct snd_soc_card *card)
+{
+ card->debugfs_card_root = debugfs_create_dir(card->name,
+ debugfs_root);
+ if (!card->debugfs_card_root) {
+ dev_warn(card->dev,
+ "ASoC: Failed to create codec debugfs directory\n");
+ return;
+ }
+
+ card->debugfs_pop_time = debugfs_create_u32("dapm_pop_time", 0644,
+ card->debugfs_card_root,
+ &card->pop_time);
+ if (!card->debugfs_pop_time)
+ dev_warn(card->dev,
+ "Failed to create pop time debugfs file\n");
+}
+
+static void soc_cleanup_card_debugfs(struct snd_soc_card *card)
+{
+ debugfs_remove_recursive(card->debugfs_card_root);
+}
+
#else
static inline void soc_init_codec_debugfs(struct snd_soc_codec *codec)
static inline void soc_cleanup_codec_debugfs(struct snd_soc_codec *codec)
{
}
+
+static inline void soc_init_card_debugfs(struct snd_soc_card *card)
+{
+}
+
+static inline void soc_cleanup_card_debugfs(struct snd_soc_card *card)
+{
+}
#endif
#ifdef CONFIG_SND_SOC_AC97_BUS
/* close any waiting streams and save state */
for (i = 0; i < card->num_rtd; i++) {
run_delayed_work(&card->rtd[i].delayed_work);
- card->rtd[i].codec->suspend_bias_level = card->rtd[i].codec->bias_level;
+ card->rtd[i].codec->dapm.suspend_bias_level = card->rtd[i].codec->dapm.bias_level;
}
for (i = 0; i < card->num_rtd; i++) {
/* 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) {
- switch (codec->bias_level) {
+ switch (codec->dapm.bias_level) {
case SND_SOC_BIAS_STANDBY:
case SND_SOC_BIAS_OFF:
codec->driver->suspend(codec, PMSG_SUSPEND);
* resume. Otherwise the suspend was suppressed.
*/
if (codec->driver->resume && codec->suspended) {
- switch (codec->bias_level) {
+ switch (codec->dapm.bias_level) {
case SND_SOC_BIAS_STANDBY:
case SND_SOC_BIAS_OFF:
codec->driver->resume(codec);
}
/* Make sure all DAPM widgets are freed */
- snd_soc_dapm_free(codec);
+ snd_soc_dapm_free(&codec->dapm);
soc_cleanup_codec_debugfs(codec);
device_remove_file(&rtd->dev, &dev_attr_codec_reg);
}
}
+static void soc_set_name_prefix(struct snd_soc_card *card,
+ struct snd_soc_codec *codec)
+{
+ int i;
+
+ if (card->prefix_map == NULL)
+ return;
+
+ for (i = 0; i < card->num_prefixes; i++) {
+ struct snd_soc_prefix_map *map = &card->prefix_map[i];
+ if (map->dev_name && !strcmp(codec->name, map->dev_name)) {
+ codec->name_prefix = map->name_prefix;
+ break;
+ }
+ }
+}
+
static void rtd_release(struct device *dev) {}
static int soc_probe_dai_link(struct snd_soc_card *card, int num)
struct snd_soc_codec *codec = rtd->codec;
struct snd_soc_platform *platform = rtd->platform;
struct snd_soc_dai *codec_dai = rtd->codec_dai, *cpu_dai = rtd->cpu_dai;
+ const char *temp;
int ret;
dev_dbg(card->dev, "probe %s dai link %d\n", card->name, num);
/* probe the CODEC */
if (!codec->probed) {
+ codec->dapm.card = card;
+ soc_set_name_prefix(card, codec);
if (codec->driver->probe) {
ret = codec->driver->probe(codec);
if (ret < 0) {
/* now that all clients have probed, initialise the DAI link */
if (dai_link->init) {
+ /* machine controls, routes and widgets are not prefixed */
+ temp = rtd->codec->name_prefix;
+ rtd->codec->name_prefix = NULL;
ret = dai_link->init(rtd);
if (ret < 0) {
printk(KERN_ERR "asoc: failed to init %s\n", dai_link->stream_name);
return ret;
}
+ rtd->codec->name_prefix = temp;
}
/* Make sure all DAPM widgets are instantiated */
- snd_soc_dapm_new_widgets(codec);
- snd_soc_dapm_sync(codec);
+ snd_soc_dapm_new_widgets(&codec->dapm);
+ snd_soc_dapm_sync(&codec->dapm);
/* register the rtd device */
rtd->dev.release = rtd_release;
INIT_LIST_HEAD(&card->codec_dev_list);
INIT_LIST_HEAD(&card->platform_dev_list);
+ soc_init_card_debugfs(card);
+
ret = snd_soc_register_card(card);
if (ret != 0) {
dev_err(&pdev->dev, "Failed to register card\n");
for (i = 0; i < card->num_rtd; i++)
soc_remove_dai_link(card, i);
+ soc_cleanup_card_debugfs(card);
+
/* remove the card */
if (card->remove)
card->remove(pdev);
}
EXPORT_SYMBOL_GPL(snd_soc_free_ac97_codec);
+unsigned int snd_soc_read(struct snd_soc_codec *codec, unsigned int reg)
+{
+ unsigned int ret;
+
+ ret = codec->driver->read(codec, reg);
+ dev_dbg(codec->dev, "read %x => %x\n", reg, ret);
+ trace_snd_soc_reg_read(codec, reg, ret);
+
+ return ret;
+}
+EXPORT_SYMBOL_GPL(snd_soc_read);
+
+unsigned int snd_soc_write(struct snd_soc_codec *codec,
+ unsigned int reg, unsigned int val)
+{
+ dev_dbg(codec->dev, "write %x = %x\n", reg, val);
+ trace_snd_soc_reg_write(codec, reg, val);
+ return codec->driver->write(codec, reg, val);
+}
+EXPORT_SYMBOL_GPL(snd_soc_write);
+
/**
* snd_soc_update_bits - update codec register bits
* @codec: audio codec
const struct snd_kcontrol_new *controls, int num_controls)
{
struct snd_card *card = codec->card->snd_card;
+ char prefixed_name[44], *name;
int err, i;
for (i = 0; i < num_controls; i++) {
const struct snd_kcontrol_new *control = &controls[i];
- err = snd_ctl_add(card, snd_soc_cnew(control, codec, NULL));
+ if (codec->name_prefix) {
+ snprintf(prefixed_name, sizeof(prefixed_name), "%s %s",
+ codec->name_prefix, control->name);
+ name = prefixed_name;
+ } else {
+ name = control->name;
+ }
+ err = snd_ctl_add(card, snd_soc_cnew(control, codec, name));
if (err < 0) {
dev_err(codec->dev, "%s: Failed to add %s: %d\n",
- codec->name, control->name, err);
+ codec->name, name, err);
return err;
}
}
for (i = 0; i < count; i++) {
dai = kzalloc(sizeof(struct snd_soc_dai), GFP_KERNEL);
- if (dai == NULL)
- return -ENOMEM;
+ if (dai == NULL) {
+ ret = -ENOMEM;
+ goto err;
+ }
/* create DAI component name */
dai->name = fmt_multiple_name(dev, &dai_drv[i]);
return -ENOMEM;
}
- /* allocate CODEC register cache */
- if (codec_drv->reg_cache_size && codec_drv->reg_word_size) {
-
- if (codec_drv->reg_cache_default)
- codec->reg_cache = kmemdup(codec_drv->reg_cache_default,
- codec_drv->reg_cache_size * codec_drv->reg_word_size, GFP_KERNEL);
- else
- codec->reg_cache = kzalloc(codec_drv->reg_cache_size *
- codec_drv->reg_word_size, GFP_KERNEL);
-
- if (codec->reg_cache == NULL) {
- kfree(codec->name);
- kfree(codec);
- return -ENOMEM;
- }
- }
-
+ INIT_LIST_HEAD(&codec->dapm.widgets);
+ INIT_LIST_HEAD(&codec->dapm.paths);
+ codec->dapm.bias_level = SND_SOC_BIAS_OFF;
+ codec->dapm.dev = dev;
+ codec->dapm.codec = codec;
codec->dev = dev;
codec->driver = codec_drv;
- codec->bias_level = SND_SOC_BIAS_OFF;
codec->num_dai = num_dai;
mutex_init(&codec->mutex);
- INIT_LIST_HEAD(&codec->dapm_widgets);
- INIT_LIST_HEAD(&codec->dapm_paths);
+
+ /* allocate CODEC register cache */
+ if (codec_drv->reg_cache_size && codec_drv->reg_word_size) {
+ ret = snd_soc_cache_init(codec);
+ if (ret < 0) {
+ dev_err(codec->dev, "Failed to set cache compression type: %d\n",
+ ret);
+ goto error_cache;
+ }
+ }
for (i = 0; i < num_dai; i++) {
fixup_codec_formats(&dai_drv[i].playback);
if (num_dai) {
ret = snd_soc_register_dais(dev, dai_drv, num_dai);
if (ret < 0)
- goto error;
+ goto error_dais;
}
mutex_lock(&client_mutex);
pr_debug("Registered codec '%s'\n", codec->name);
return 0;
-error:
- for (i--; i >= 0; i--)
- snd_soc_unregister_dai(dev);
-
- if (codec->reg_cache)
- kfree(codec->reg_cache);
+error_dais:
+ snd_soc_cache_exit(codec);
+error_cache:
kfree(codec->name);
kfree(codec);
return ret;
pr_debug("Unregistered codec '%s'\n", codec->name);
- if (codec->reg_cache)
- kfree(codec->reg_cache);
+ snd_soc_cache_exit(codec);
kfree(codec->name);
kfree(codec);
}
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