1 files changed, 62 insertions, 0 deletions
diff --git a/sound/pci/hda/hda_component.h b/sound/pci/hda/hda_component.h
index bbd6f0ed16..c70b3de68a 100644
--- a/sound/pci/hda/hda_component.h
+++ b/sound/pci/hda/hda_component.h
@@ -6,8 +6,12 @@
  *                    Cirrus Logic International Semiconductor Ltd.
  */
 
+#ifndef __HDA_COMPONENT_H__
+#define __HDA_COMPONENT_H__
+
 #include <linux/acpi.h>
 #include <linux/component.h>
+#include <sound/hda_codec.h>
 
 #define HDA_MAX_COMPONENTS	4
 #define HDA_MAX_NAME_SIZE	50
@@ -23,3 +27,61 @@ struct hda_component {
 	void (*playback_hook)(struct device *dev, int action);
 	void (*post_playback_hook)(struct device *dev, int action);
 };
+
+#ifdef CONFIG_ACPI
+void hda_component_acpi_device_notify(struct hda_component *comps, int num_comps,
+				      acpi_handle handle, u32 event, void *data);
+int hda_component_manager_bind_acpi_notifications(struct hda_codec *cdc,
+						  struct hda_component *comps, int num_comps,
+						  acpi_notify_handler handler, void *data);
+void hda_component_manager_unbind_acpi_notifications(struct hda_codec *cdc,
+						     struct hda_component *comps,
+						     acpi_notify_handler handler);
+#else
+static inline void hda_component_acpi_device_notify(struct hda_component *comps,
+						    int num_comps,
+						    acpi_handle handle,
+						    u32 event,
+						    void *data)
+{
+}
+
+static inline int hda_component_manager_bind_acpi_notifications(struct hda_codec *cdc,
+								struct hda_component *comps,
+								int num_comps,
+								acpi_notify_handler handler,
+								void *data)
+
+{
+	return 0;
+}
+
+static inline void hda_component_manager_unbind_acpi_notifications(struct hda_codec *cdc,
+								   struct hda_component *comps,
+								   acpi_notify_handler handler)
+{
+}
+#endif /* ifdef CONFIG_ACPI */
+
+void hda_component_manager_playback_hook(struct hda_component *comps, int num_comps,
+					 int action);
+
+int hda_component_manager_init(struct hda_codec *cdc,
+			       struct hda_component *comps, int count,
+			       const char *bus, const char *hid,
+			       const char *match_str,
+			       const struct component_master_ops *ops);
+
+void hda_component_manager_free(struct hda_codec *cdc,
+				const struct component_master_ops *ops);
+
+int hda_component_manager_bind(struct hda_codec *cdc,
+			       struct hda_component *comps, int count);
+
+static inline void hda_component_manager_unbind(struct hda_codec *cdc,
+					       struct hda_component *comps)
+{
+	component_unbind_all(hda_codec_dev(cdc), comps);
+}
+
+#endif /* ifndef __HDA_COMPONENT_H__ */