diff --git a/include/sound/hdaudio.h b/include/sound/hdaudio.h
index 940e2b282133..f9b2b6330d27 100644
--- a/include/sound/hdaudio.h
+++ b/include/sound/hdaudio.h
@@ -387,6 +387,7 @@ void snd_hdac_bus_queue_event(struct hdac_bus *bus, u32 res, u32 res_ex);
 int snd_hdac_bus_add_device(struct hdac_bus *bus, struct hdac_device *codec);
 void snd_hdac_bus_remove_device(struct hdac_bus *bus,
 				struct hdac_device *codec);
+void snd_hdac_bus_process_unsol_events(struct work_struct *work);
 
 static inline void snd_hdac_codec_link_up(struct hdac_device *codec)
 {
diff --git a/sound/hda/hdac_bus.c b/sound/hda/hdac_bus.c
index 714a51721a31..012305177f68 100644
--- a/sound/hda/hdac_bus.c
+++ b/sound/hda/hdac_bus.c
@@ -9,8 +9,6 @@
 #include <sound/hdaudio.h>
 #include "trace.h"
 
-static void process_unsol_events(struct work_struct *work);
-
 static const struct hdac_bus_ops default_ops = {
 	.command = snd_hdac_bus_send_cmd,
 	.get_response = snd_hdac_bus_get_response,
@@ -37,7 +35,7 @@ int snd_hdac_bus_init(struct hdac_bus *bus, struct device *dev,
 	bus->io_ops = io_ops;
 	INIT_LIST_HEAD(&bus->stream_list);
 	INIT_LIST_HEAD(&bus->codec_list);
-	INIT_WORK(&bus->unsol_work, process_unsol_events);
+	INIT_WORK(&bus->unsol_work, snd_hdac_bus_process_unsol_events);
 	spin_lock_init(&bus->reg_lock);
 	mutex_init(&bus->cmd_mutex);
 	bus->irq = -1;
@@ -148,7 +146,7 @@ EXPORT_SYMBOL_GPL(snd_hdac_bus_queue_event);
 /*
  * process queued unsolicited events
  */
-static void process_unsol_events(struct work_struct *work)
+void snd_hdac_bus_process_unsol_events(struct work_struct *work)
 {
 	struct hdac_bus *bus = container_of(work, struct hdac_bus, unsol_work);
 	struct hdac_device *codec;
@@ -171,6 +169,7 @@ static void process_unsol_events(struct work_struct *work)
 			drv->unsol_event(codec, res);
 	}
 }
+EXPORT_SYMBOL_GPL(snd_hdac_bus_process_unsol_events);
 
 /**
  * snd_hdac_bus_add_device - Add a codec to bus