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Diffstat (limited to 'sound')
-rw-r--r--sound/soc/soc-core.c146
1 files changed, 88 insertions, 58 deletions
diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index 62e8e36062df..6ddcf12bc030 100644
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -66,8 +66,9 @@ static int pmdown_time = 5000;
module_param(pmdown_time, int, 0);
MODULE_PARM_DESC(pmdown_time, "DAPM stream powerdown time (msecs)");
-/* If a DMI filed contain strings in this blacklist (e.g.
- * "Type2 - Board Manufacturer" or "Type1 - TBD by OEM"), it will be taken
+/*
+ * If a DMI filed contain strings in this blacklist (e.g.
+ * "Type2 - Board Manufacturer" or "Type1 - TBD by OEM"), it will be taken
* as invalid and dropped when setting the card long name from DMI info.
*/
static const char * const dmi_blacklist[] = {
@@ -222,7 +223,7 @@ static void soc_init_card_debugfs(struct snd_soc_card *card)
&card->pop_time);
if (!card->debugfs_pop_time)
dev_warn(card->dev,
- "ASoC: Failed to create pop time debugfs file\n");
+ "ASoC: Failed to create pop time debugfs file\n");
}
static void soc_cleanup_card_debugfs(struct snd_soc_card *card)
@@ -426,7 +427,8 @@ EXPORT_SYMBOL_GPL(snd_soc_get_pcm_runtime);
static void codec2codec_close_delayed_work(struct work_struct *work)
{
- /* Currently nothing to do for c2c links
+ /*
+ * Currently nothing to do for c2c links
* Since c2c links are internal nodes in the DAPM graph and
* don't interface with the outside world or application layer
* we don't have to do any special handling on close.
@@ -446,8 +448,9 @@ int snd_soc_suspend(struct device *dev)
if (!card->instantiated)
return 0;
- /* Due to the resume being scheduled into a workqueue we could
- * suspend before that's finished - wait for it to complete.
+ /*
+ * Due to the resume being scheduled into a workqueue we could
+ * suspend before that's finished - wait for it to complete.
*/
snd_power_wait(card->snd_card, SNDRV_CTL_POWER_D0);
@@ -514,10 +517,13 @@ int snd_soc_suspend(struct device *dev)
/* suspend all COMPONENTs */
for_each_card_components(card, component) {
- struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
+ struct snd_soc_dapm_context *dapm =
+ snd_soc_component_get_dapm(component);
- /* If there are paths active then the COMPONENT will be held with
- * bias _ON and should not be suspended. */
+ /*
+ * If there are paths active then the COMPONENT will be held
+ * with bias _ON and should not be suspended.
+ */
if (!component->suspended) {
switch (snd_soc_dapm_get_bias_level(dapm)) {
case SND_SOC_BIAS_STANDBY:
@@ -571,18 +577,21 @@ int snd_soc_suspend(struct device *dev)
}
EXPORT_SYMBOL_GPL(snd_soc_suspend);
-/* deferred resume work, so resume can complete before we finished
+/*
+ * deferred resume work, so resume can complete before we finished
* setting our codec back up, which can be very slow on I2C
*/
static void soc_resume_deferred(struct work_struct *work)
{
struct snd_soc_card *card =
- container_of(work, struct snd_soc_card, deferred_resume_work);
+ container_of(work, struct snd_soc_card,
+ deferred_resume_work);
struct snd_soc_pcm_runtime *rtd;
struct snd_soc_component *component;
int i;
- /* our power state is still SNDRV_CTL_POWER_D3hot from suspend time,
+ /*
+ * our power state is still SNDRV_CTL_POWER_D3hot from suspend time,
* so userspace apps are blocked from touching us
*/
@@ -699,6 +708,7 @@ int snd_soc_resume(struct device *dev)
*/
for_each_card_rtds(card, rtd) {
struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
+
bus_control |= cpu_dai->driver->bus_control;
}
if (bus_control) {
@@ -777,7 +787,7 @@ struct snd_soc_dai *snd_soc_find_dai(
lockdep_assert_held(&client_mutex);
- /* Find CPU DAI from registered DAIs*/
+ /* Find CPU DAI from registered DAIs */
for_each_component(component) {
if (!snd_soc_is_matching_component(dlc, component))
continue;
@@ -795,7 +805,6 @@ struct snd_soc_dai *snd_soc_find_dai(
}
EXPORT_SYMBOL_GPL(snd_soc_find_dai);
-
/**
* snd_soc_find_dai_link - Find a DAI link
*
@@ -918,7 +927,7 @@ static int soc_bind_dai_link(struct snd_soc_card *card,
_err_defer:
soc_free_pcm_runtime(rtd);
- return -EPROBE_DEFER;
+ return -EPROBE_DEFER;
}
static void soc_remove_component(struct snd_soc_component *component)
@@ -1074,7 +1083,7 @@ static int snd_soc_init_multicodec(struct snd_soc_card *card,
}
static int soc_init_dai_link(struct snd_soc_card *card,
- struct snd_soc_dai_link *link)
+ struct snd_soc_dai_link *link)
{
int i, ret;
struct snd_soc_dai_link_component *codec;
@@ -1148,7 +1157,8 @@ static int soc_init_dai_link(struct snd_soc_card *card,
void snd_soc_disconnect_sync(struct device *dev)
{
- struct snd_soc_component *component = snd_soc_lookup_component(dev, NULL);
+ struct snd_soc_component *component =
+ snd_soc_lookup_component(dev, NULL);
if (!component || !component->card)
return;
@@ -1179,7 +1189,8 @@ int snd_soc_add_dai_link(struct snd_soc_card *card,
}
lockdep_assert_held(&client_mutex);
- /* Notify the machine driver for extra initialization
+ /*
+ * Notify the machine driver for extra initialization
* on the link created by topology.
*/
if (dai_link->dobj.type && card->add_dai_link)
@@ -1214,7 +1225,8 @@ void snd_soc_remove_dai_link(struct snd_soc_card *card,
}
lockdep_assert_held(&client_mutex);
- /* Notify the machine driver for extra destruction
+ /*
+ * Notify the machine driver for extra destruction
* on the link created by topology.
*/
if (dai_link->dobj.type && card->remove_dai_link)
@@ -1274,7 +1286,8 @@ static void soc_set_name_prefix(struct snd_soc_card *card,
static int soc_probe_component(struct snd_soc_card *card,
struct snd_soc_component *component)
{
- struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
+ struct snd_soc_dapm_context *dapm =
+ snd_soc_component_get_dapm(component);
struct snd_soc_dai *dai;
int ret;
@@ -1406,8 +1419,7 @@ static int soc_post_component_init(struct snd_soc_pcm_runtime *rtd,
}
static int soc_probe_link_components(struct snd_soc_card *card,
- struct snd_soc_pcm_runtime *rtd,
- int order)
+ struct snd_soc_pcm_runtime *rtd, int order)
{
struct snd_soc_component *component;
struct snd_soc_rtdcom_list *rtdcom;
@@ -1434,6 +1446,7 @@ static int soc_probe_dai(struct snd_soc_dai *dai, int order)
if (dai->driver->probe) {
int ret = dai->driver->probe(dai);
+
if (ret < 0) {
dev_err(dai->dev, "ASoC: failed to probe DAI %s: %d\n",
dai->name, ret);
@@ -1541,7 +1554,7 @@ static int soc_probe_link_dais(struct snd_soc_card *card,
}
if (cpu_dai->driver->compress_new) {
- /*create compress_device"*/
+ /* create compress_device" */
ret = cpu_dai->driver->compress_new(rtd, num);
if (ret < 0) {
dev_err(card->dev, "ASoC: can't create compress %s\n",
@@ -1555,7 +1568,7 @@ static int soc_probe_link_dais(struct snd_soc_card *card,
ret = soc_new_pcm(rtd, num);
if (ret < 0) {
dev_err(card->dev, "ASoC: can't create pcm %s :%d\n",
- dai_link->stream_name, ret);
+ dai_link->stream_name, ret);
return ret;
}
ret = soc_link_dai_pcm_new(&cpu_dai, 1, rtd);
@@ -1683,8 +1696,10 @@ 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 */
- /* the component which has non_legacy_dai_naming is Codec */
+ /*
+ * Flip the polarity for the "CPU" end of a CODEC<->CODEC link
+ * the component which has non_legacy_dai_naming is Codec
+ */
if (cpu_dai->component->driver->non_legacy_dai_naming) {
unsigned int inv_dai_fmt;
@@ -1718,9 +1733,9 @@ int snd_soc_runtime_set_dai_fmt(struct snd_soc_pcm_runtime *rtd,
}
EXPORT_SYMBOL_GPL(snd_soc_runtime_set_dai_fmt);
-
#ifdef CONFIG_DMI
-/* Trim special characters, and replace '-' with '_' since '-' is used to
+/*
+ * Trim special characters, and replace '-' with '_' since '-' is used to
* separate different DMI fields in the card long name. Only number and
* alphabet characters and a few separator characters are kept.
*/
@@ -1739,7 +1754,8 @@ static void cleanup_dmi_name(char *name)
name[j] = '\0';
}
-/* Check if a DMI field is valid, i.e. not containing any string
+/*
+ * Check if a DMI field is valid, i.e. not containing any string
* in the black list.
*/
static int is_dmi_valid(const char *field)
@@ -1802,7 +1818,6 @@ int snd_soc_set_dmi_name(struct snd_soc_card *card, const char *flavour)
return 0;
}
-
snprintf(card->dmi_longname, sizeof(card->snd_card->longname),
"%s", vendor);
cleanup_dmi_name(card->dmi_longname);
@@ -1818,7 +1833,8 @@ int snd_soc_set_dmi_name(struct snd_soc_card *card, const char *flavour)
if (len < longname_buf_size)
cleanup_dmi_name(card->dmi_longname + len);
- /* some vendors like Lenovo may only put a self-explanatory
+ /*
+ * some vendors like Lenovo may only put a self-explanatory
* name in the product version field
*/
product_version = dmi_get_system_info(DMI_PRODUCT_VERSION);
@@ -1914,7 +1930,8 @@ static void soc_check_tplg_fes(struct snd_soc_card *card)
dai_link->be_hw_params_fixup =
component->driver->be_hw_params_fixup;
- /* most BE links don't set stream name, so set it to
+ /*
+ * most BE links don't set stream name, so set it to
* dai link name if it's NULL to help bind widgets.
*/
if (!dai_link->stream_name)
@@ -1924,7 +1941,7 @@ static void soc_check_tplg_fes(struct snd_soc_card *card)
/* Inform userspace we are using alternate topology */
if (component->driver->topology_name_prefix) {
- /* topology shortname created ? */
+ /* topology shortname created? */
if (!card->topology_shortname_created) {
comp_drv = component->driver;
@@ -2029,7 +2046,8 @@ static int snd_soc_instantiate_card(struct snd_soc_card *card)
if (ret < 0)
goto probe_dai_err;
- /* Find new DAI links added during probing components and bind them.
+ /*
+ * Find new DAI links added during probing components and bind them.
* Components with topology may bring new DAIs and DAI links.
*/
for_each_card_links(card, dai_link) {
@@ -2061,7 +2079,8 @@ static int snd_soc_instantiate_card(struct snd_soc_card *card)
snd_soc_dapm_connect_dai_link_widgets(card);
if (card->controls)
- snd_soc_add_card_controls(card, card->controls, card->num_controls);
+ snd_soc_add_card_controls(card, card->controls,
+ card->num_controls);
if (card->dapm_routes)
snd_soc_dapm_add_routes(&card->dapm, card->dapm_routes,
@@ -2207,8 +2226,10 @@ int snd_soc_poweroff(struct device *dev)
if (!card->instantiated)
return 0;
- /* Flush out pmdown_time work - we actually do want to run it
- * now, we're shutting down so no imminent restart. */
+ /*
+ * Flush out pmdown_time work - we actually do want to run it
+ * now, we're shutting down so no imminent restart.
+ */
for_each_card_rtds(card, rtd)
flush_delayed_work(&rtd->delayed_work);
@@ -2301,6 +2322,7 @@ static int snd_soc_add_controls(struct snd_card *card, struct device *dev,
for (i = 0; i < num_controls; i++) {
const struct snd_kcontrol_new *control = &controls[i];
+
err = snd_ctl_add(card, snd_soc_cnew(control, data,
control->name, prefix));
if (err < 0) {
@@ -2418,8 +2440,9 @@ EXPORT_SYMBOL_GPL(snd_soc_dai_set_sysclk);
*
* Configures the CODEC master (MCLK) or system (SYSCLK) clocking.
*/
-int snd_soc_component_set_sysclk(struct snd_soc_component *component, int clk_id,
- int source, unsigned int freq, int dir)
+int snd_soc_component_set_sysclk(struct snd_soc_component *component,
+ int clk_id, int source, unsigned int freq,
+ int dir)
{
if (component->driver->set_sysclk)
return component->driver->set_sysclk(component, clk_id, source,
@@ -2487,7 +2510,7 @@ int snd_soc_component_set_pll(struct snd_soc_component *component, int pll_id,
{
if (component->driver->set_pll)
return component->driver->set_pll(component, pll_id, source,
- freq_in, freq_out);
+ freq_in, freq_out);
return -EINVAL;
}
@@ -2533,8 +2556,8 @@ EXPORT_SYMBOL_GPL(snd_soc_dai_set_fmt);
* Generates the TDM tx and rx slot default masks for DAI.
*/
static int snd_soc_xlate_tdm_slot_mask(unsigned int slots,
- unsigned int *tx_mask,
- unsigned int *rx_mask)
+ unsigned int *tx_mask,
+ unsigned int *rx_mask)
{
if (*tx_mask || *rx_mask)
return 0;
@@ -2684,7 +2707,7 @@ static int snd_soc_bind_card(struct snd_soc_card *card)
return ret;
/* deactivate pins to sleep state */
- for_each_card_rtds(card, rtd) {
+ for_each_card_rtds(card, rtd) {
struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
struct snd_soc_dai *codec_dai;
int j;
@@ -2799,7 +2822,7 @@ static char *fmt_single_name(struct device *dev, int *id)
}
} else {
- /* I2C component devices are named "bus-addr" */
+ /* I2C component devices are named "bus-addr" */
if (sscanf(name, "%x-%x", &id1, &id2) == 2) {
char tmp[NAME_SIZE];
@@ -2807,7 +2830,8 @@ static char *fmt_single_name(struct device *dev, int *id)
*id = ((id1 & 0xffff) << 16) + id2;
/* sanitize component name for DAI link creation */
- snprintf(tmp, NAME_SIZE, "%s.%s", dev->driver->name, name);
+ snprintf(tmp, NAME_SIZE, "%s.%s", dev->driver->name,
+ name);
strlcpy(name, tmp, NAME_SIZE);
} else
*id = 0;
@@ -2874,7 +2898,7 @@ static struct snd_soc_dai *soc_add_dai(struct snd_soc_component *component,
* component-less anymore.
*/
if (legacy_dai_naming &&
- (dai_drv->id == 0 || dai_drv->name == NULL)) {
+ (dai_drv->id == 0 || dai_drv->name == NULL)) {
dai->name = fmt_single_name(dev, &dai->id);
} else {
dai->name = fmt_multiple_name(dev, dai_drv);
@@ -2910,7 +2934,8 @@ static struct snd_soc_dai *soc_add_dai(struct snd_soc_component *component,
* @count: Number of DAIs
*/
static int snd_soc_register_dais(struct snd_soc_component *component,
- struct snd_soc_dai_driver *dai_drv, size_t count)
+ struct snd_soc_dai_driver *dai_drv,
+ size_t count)
{
struct device *dev = component->dev;
struct snd_soc_dai *dai;
@@ -2921,8 +2946,8 @@ static int snd_soc_register_dais(struct snd_soc_component *component,
for (i = 0; i < count; i++) {
- dai = soc_add_dai(component, dai_drv + i,
- count == 1 && !component->driver->non_legacy_dai_naming);
+ dai = soc_add_dai(component, dai_drv + i, count == 1 &&
+ !component->driver->non_legacy_dai_naming);
if (dai == NULL) {
ret = -ENOMEM;
goto err;
@@ -2966,7 +2991,8 @@ int snd_soc_register_dai(struct snd_soc_component *component,
if (!dai)
return -ENOMEM;
- /* Create the DAI widgets here. After adding DAIs, topology may
+ /*
+ * Create the DAI widgets here. After adding DAIs, topology may
* also add routes that need these widgets as source or sink.
*/
ret = snd_soc_dapm_new_dai_widgets(dapm, dai);
@@ -3048,7 +3074,8 @@ static void snd_soc_component_setup_regmap(struct snd_soc_component *component)
#ifdef CONFIG_REGMAP
/**
- * snd_soc_component_init_regmap() - Initialize regmap instance for the component
+ * snd_soc_component_init_regmap() - Initialize regmap instance for the
+ * component
* @component: The component for which to initialize the regmap instance
* @regmap: The regmap instance that should be used by the component
*
@@ -3066,7 +3093,8 @@ void snd_soc_component_init_regmap(struct snd_soc_component *component,
EXPORT_SYMBOL_GPL(snd_soc_component_init_regmap);
/**
- * snd_soc_component_exit_regmap() - De-initialize regmap instance for the component
+ * snd_soc_component_exit_regmap() - De-initialize regmap instance for the
+ * component
* @component: The component for which to de-initialize the regmap instance
*
* Calls regmap_exit() on the regmap instance associated to the component and
@@ -3090,7 +3118,8 @@ static void snd_soc_component_add(struct snd_soc_component *component)
if (!component->driver->write && !component->driver->read) {
if (!component->regmap)
- component->regmap = dev_get_regmap(component->dev, NULL);
+ component->regmap = dev_get_regmap(component->dev,
+ NULL);
if (component->regmap)
snd_soc_component_setup_regmap(component);
}
@@ -3235,23 +3264,24 @@ static int __snd_soc_unregister_component(struct device *dev)
if (dev != component->dev)
continue;
- snd_soc_tplg_component_remove(component, SND_SOC_TPLG_INDEX_ALL);
+ snd_soc_tplg_component_remove(component,
+ SND_SOC_TPLG_INDEX_ALL);
snd_soc_component_del_unlocked(component);
found = 1;
break;
}
mutex_unlock(&client_mutex);
- if (found) {
+ if (found)
snd_soc_component_cleanup(component);
- }
return found;
}
void snd_soc_unregister_component(struct device *dev)
{
- while (__snd_soc_unregister_component(dev));
+ while (__snd_soc_unregister_component(dev))
+ ;
}
EXPORT_SYMBOL_GPL(snd_soc_unregister_component);
@@ -3832,7 +3862,7 @@ int snd_soc_of_get_dai_link_codecs(struct device *dev,
for_each_link_codecs(dai_link, index, component) {
ret = of_parse_phandle_with_args(of_node, name,
"#sound-dai-cells",
- index, &args);
+ index, &args);
if (ret)
goto err;
component->of_node = args.np;
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-24 11:56:45 +0000