diff options
Diffstat (limited to 'sound/soc/soc-core.c')
| -rw-r--r-- | sound/soc/soc-core.c | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c index 1bd0b37b907f..c572673a5a24 100644 --- a/sound/soc/soc-core.c +++ b/sound/soc/soc-core.c @@ -2834,6 +2834,48 @@ err: return ret; } +/** + * snd_soc_register_dai - Register a DAI dynamically & create its widgets + * + * @component: The component the DAIs are registered for + * @dai_drv: DAI driver to use for the DAI + * + * Topology can use this API to register DAIs when probing a component. + * These DAIs's widgets will be freed in the card cleanup and the DAIs + * will be freed in the component cleanup. + */ +int snd_soc_register_dai(struct snd_soc_component *component, + struct snd_soc_dai_driver *dai_drv) +{ + struct snd_soc_dapm_context *dapm = + snd_soc_component_get_dapm(component); + struct snd_soc_dai *dai; + int ret; + + if (dai_drv->dobj.type != SND_SOC_DOBJ_PCM) { + dev_err(component->dev, "Invalid dai type %d\n", + dai_drv->dobj.type); + return -EINVAL; + } + + lockdep_assert_held(&client_mutex); + dai = soc_add_dai(component, dai_drv, false); + if (!dai) + return -ENOMEM; + + /* 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); + if (ret != 0) { + dev_err(component->dev, + "Failed to create DAI widgets %d\n", ret); + } + + return ret; +} +EXPORT_SYMBOL_GPL(snd_soc_register_dai); + static void snd_soc_component_seq_notifier(struct snd_soc_dapm_context *dapm, enum snd_soc_dapm_type type, int subseq) { |