diff options
Diffstat (limited to 'sound/soc/soc-core.c')
| -rw-r--r-- | sound/soc/soc-core.c | 87 |
1 files changed, 62 insertions, 25 deletions
diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c index 3a4a5c0e3f97..6173d15236c3 100644 --- a/sound/soc/soc-core.c +++ b/sound/soc/soc-core.c @@ -654,10 +654,12 @@ int snd_soc_suspend(struct device *dev) /* suspend all CODECs */ list_for_each_entry(codec, &card->codec_dev_list, card_list) { + struct snd_soc_dapm_context *dapm = snd_soc_codec_get_dapm(codec); + /* If there are paths active then the CODEC will be held with * bias _ON and should not be suspended. */ if (!codec->suspended) { - switch (codec->dapm.bias_level) { + switch (snd_soc_dapm_get_bias_level(dapm)) { case SND_SOC_BIAS_STANDBY: /* * If the CODEC is capable of idle @@ -665,7 +667,7 @@ int snd_soc_suspend(struct device *dev) * means it's doing something, * otherwise fall through. */ - if (codec->dapm.idle_bias_off) { + if (dapm->idle_bias_off) { dev_dbg(codec->dev, "ASoC: idle_bias_off CODEC on over suspend\n"); break; @@ -978,7 +980,7 @@ static int soc_bind_dai_link(struct snd_soc_card *card, int num) static void soc_remove_component(struct snd_soc_component *component) { - if (!component->probed) + if (!component->card) return; /* This is a HACK and will be removed soon */ @@ -991,7 +993,7 @@ static void soc_remove_component(struct snd_soc_component *component) snd_soc_dapm_free(snd_soc_component_get_dapm(component)); soc_cleanup_component_debugfs(component); - component->probed = 0; + component->card = NULL; module_put(component->dev->driver->owner); } @@ -1102,16 +1104,26 @@ static int soc_probe_component(struct snd_soc_card *card, struct snd_soc_dai *dai; int ret; - if (component->probed) + if (!strcmp(component->name, "snd-soc-dummy")) return 0; - component->card = card; - dapm->card = card; - soc_set_name_prefix(card, component); + if (component->card) { + if (component->card != card) { + dev_err(component->dev, + "Trying to bind component to card \"%s\" but is already bound to card \"%s\"\n", + card->name, component->card->name); + return -ENODEV; + } + return 0; + } if (!try_module_get(component->dev->driver->owner)) return -ENODEV; + component->card = card; + dapm->card = card; + soc_set_name_prefix(card, component); + soc_init_component_debugfs(component); if (component->dapm_widgets) { @@ -1155,7 +1167,6 @@ static int soc_probe_component(struct snd_soc_card *card, snd_soc_dapm_add_routes(dapm, component->dapm_routes, component->num_dapm_routes); - component->probed = 1; list_add(&dapm->list, &card->dapm_list); /* This is a HACK and will be removed soon */ @@ -1166,6 +1177,7 @@ static int soc_probe_component(struct snd_soc_card *card, err_probe: soc_cleanup_component_debugfs(component); + component->card = NULL; module_put(component->dev->driver->owner); return ret; @@ -1449,7 +1461,7 @@ static void soc_remove_aux_dev(struct snd_soc_card *card, int num) rtd->dev_registered = 0; } - if (component && component->probed) + if (component) soc_remove_component(component); } @@ -1716,6 +1728,7 @@ card_probe_error: if (card->remove) card->remove(card); + snd_soc_dapm_free(&card->dapm); soc_cleanup_card_debugfs(card); snd_card_free(card->snd_card); @@ -2127,7 +2140,7 @@ EXPORT_SYMBOL_GPL(snd_soc_codec_set_pll); /** * snd_soc_dai_set_bclk_ratio - configure BCLK to sample rate ratio. * @dai: DAI - * @ratio Ratio of BCLK to Sample rate. + * @ratio: Ratio of BCLK to Sample rate. * * Configures the DAI for a preset BCLK to sample rate ratio. */ @@ -2651,10 +2664,7 @@ static int snd_soc_component_initialize(struct snd_soc_component *component, component->probe = component->driver->probe; component->remove = component->driver->remove; - if (!component->dapm_ptr) - component->dapm_ptr = &component->dapm; - - dapm = component->dapm_ptr; + dapm = &component->dapm; dapm->dev = dev; dapm->component = component; dapm->bias_level = SND_SOC_BIAS_OFF; @@ -2798,6 +2808,7 @@ EXPORT_SYMBOL_GPL(snd_soc_register_component); /** * snd_soc_unregister_component - Unregister a component from the ASoC core * + * @dev: The device to unregister */ void snd_soc_unregister_component(struct device *dev) { @@ -2838,7 +2849,7 @@ static void snd_soc_platform_drv_remove(struct snd_soc_component *component) * snd_soc_add_platform - Add a platform to the ASoC core * @dev: The parent device for the platform * @platform: The platform to add - * @platform_driver: The driver for the platform + * @platform_drv: The driver for the platform */ int snd_soc_add_platform(struct device *dev, struct snd_soc_platform *platform, const struct snd_soc_platform_driver *platform_drv) @@ -2877,7 +2888,8 @@ EXPORT_SYMBOL_GPL(snd_soc_add_platform); /** * snd_soc_register_platform - Register a platform with the ASoC core * - * @platform: platform to register + * @dev: The device for the platform + * @platform_drv: The driver for the platform */ int snd_soc_register_platform(struct device *dev, const struct snd_soc_platform_driver *platform_drv) @@ -2938,7 +2950,7 @@ EXPORT_SYMBOL_GPL(snd_soc_lookup_platform); /** * snd_soc_unregister_platform - Unregister a platform from the ASoC core * - * @platform: platform to unregister + * @dev: platform to unregister */ void snd_soc_unregister_platform(struct device *dev) { @@ -3029,13 +3041,17 @@ static int snd_soc_codec_set_bias_level(struct snd_soc_dapm_context *dapm, /** * snd_soc_register_codec - Register a codec with the ASoC core * - * @codec: codec to register + * @dev: The parent device for this codec + * @codec_drv: Codec driver + * @dai_drv: The associated DAI driver + * @num_dai: Number of DAIs */ int snd_soc_register_codec(struct device *dev, const struct snd_soc_codec_driver *codec_drv, struct snd_soc_dai_driver *dai_drv, int num_dai) { + struct snd_soc_dapm_context *dapm; struct snd_soc_codec *codec; struct snd_soc_dai *dai; int ret, i; @@ -3046,7 +3062,6 @@ int snd_soc_register_codec(struct device *dev, if (codec == NULL) return -ENOMEM; - codec->component.dapm_ptr = &codec->dapm; codec->component.codec = codec; ret = snd_soc_component_initialize(&codec->component, @@ -3076,12 +3091,14 @@ int snd_soc_register_codec(struct device *dev, if (codec_drv->read) codec->component.read = snd_soc_codec_drv_read; codec->component.ignore_pmdown_time = codec_drv->ignore_pmdown_time; - codec->dapm.idle_bias_off = codec_drv->idle_bias_off; - codec->dapm.suspend_bias_off = codec_drv->suspend_bias_off; + + dapm = snd_soc_codec_get_dapm(codec); + dapm->idle_bias_off = codec_drv->idle_bias_off; + dapm->suspend_bias_off = codec_drv->suspend_bias_off; if (codec_drv->seq_notifier) - codec->dapm.seq_notifier = codec_drv->seq_notifier; + dapm->seq_notifier = codec_drv->seq_notifier; if (codec_drv->set_bias_level) - codec->dapm.set_bias_level = snd_soc_codec_set_bias_level; + dapm->set_bias_level = snd_soc_codec_set_bias_level; codec->dev = dev; codec->driver = codec_drv; codec->component.val_bytes = codec_drv->reg_word_size; @@ -3128,7 +3145,7 @@ EXPORT_SYMBOL_GPL(snd_soc_register_codec); /** * snd_soc_unregister_codec - Unregister a codec from the ASoC core * - * @codec: codec to unregister + * @dev: codec to unregister */ void snd_soc_unregister_codec(struct device *dev) { @@ -3303,6 +3320,26 @@ int snd_soc_of_parse_tdm_slot(struct device_node *np, } EXPORT_SYMBOL_GPL(snd_soc_of_parse_tdm_slot); +void snd_soc_of_parse_audio_prefix(struct snd_soc_card *card, + struct snd_soc_codec_conf *codec_conf, + struct device_node *of_node, + const char *propname) +{ + struct device_node *np = card->dev->of_node; + const char *str; + int ret; + + ret = of_property_read_string(np, propname, &str); + if (ret < 0) { + /* no prefix is not error */ + return; + } + + codec_conf->of_node = of_node; + codec_conf->name_prefix = str; +} +EXPORT_SYMBOL_GPL(snd_soc_of_parse_audio_prefix); + int snd_soc_of_parse_audio_routing(struct snd_soc_card *card, const char *propname) { |