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-rw-r--r--sound/hda/ext/hdac_ext_controller.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/sound/hda/ext/hdac_ext_controller.c b/sound/hda/ext/hdac_ext_controller.c
index adffc89541c9..b2da19b60f4e 100644
--- a/sound/hda/ext/hdac_ext_controller.c
+++ b/sound/hda/ext/hdac_ext_controller.c
@@ -194,6 +194,24 @@ int snd_hdac_ext_bus_get_ml_capabilities(struct hdac_ext_bus *ebus)
EXPORT_SYMBOL_GPL(snd_hdac_ext_bus_get_ml_capabilities);
/**
+ * snd_hdac_link_free_all- free hdac extended link objects
+ *
+ * @ebus: HD-audio ext core bus
+ */
+
+void snd_hdac_link_free_all(struct hdac_ext_bus *ebus)
+{
+ struct hdac_ext_link *l;
+
+ while (!list_empty(&ebus->hlink_list)) {
+ l = list_first_entry(&ebus->hlink_list, struct hdac_ext_link, list);
+ list_del(&l->list);
+ kfree(l);
+ }
+}
+EXPORT_SYMBOL_GPL(snd_hdac_link_free_all);
+
+/**
* snd_hdac_ext_bus_get_link_index - get link based on codec name
* @ebus: HD-audio extended core bus
* @codec_name: codec name