diff options
| -rw-r--r-- | sound/soc/soc-core.c | 146 |
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; |