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-rw-r--r--sound/soc/soc-devres.c37
1 files changed, 37 insertions, 0 deletions
diff --git a/sound/soc/soc-devres.c b/sound/soc/soc-devres.c
index a9ea172a66a7..11e5d7962370 100644
--- a/sound/soc/soc-devres.c
+++ b/sound/soc/soc-devres.c
@@ -9,6 +9,43 @@
#include <sound/soc.h>
#include <sound/dmaengine_pcm.h>
+static void devm_dai_release(struct device *dev, void *res)
+{
+ snd_soc_unregister_dai(*(struct snd_soc_dai **)res);
+}
+
+/**
+ * devm_snd_soc_register_dai - resource-managed dai registration
+ * @dev: Device used to manage component
+ * @component: The component the DAIs are registered for
+ * @dai_drv: DAI driver to use for the DAI
+ * @legacy_dai_naming: if %true, use legacy single-name format;
+ * if %false, use multiple-name format;
+ */
+struct snd_soc_dai *devm_snd_soc_register_dai(struct device *dev,
+ struct snd_soc_component *component,
+ struct snd_soc_dai_driver *dai_drv,
+ bool legacy_dai_naming)
+{
+ struct snd_soc_dai **ptr;
+ struct snd_soc_dai *dai;
+
+ ptr = devres_alloc(devm_dai_release, sizeof(*ptr), GFP_KERNEL);
+ if (!ptr)
+ return NULL;
+
+ dai = snd_soc_register_dai(component, dai_drv, legacy_dai_naming);
+ if (dai) {
+ *ptr = dai;
+ devres_add(dev, ptr);
+ } else {
+ devres_free(ptr);
+ }
+
+ return dai;
+}
+EXPORT_SYMBOL_GPL(devm_snd_soc_register_dai);
+
static void devm_component_release(struct device *dev, void *res)
{
snd_soc_unregister_component(*(struct device **)res);