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-rw-r--r--sound/pci/hda/hda_component.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/sound/pci/hda/hda_component.h b/sound/pci/hda/hda_component.h
index deae9dea01b4..a0fcc723483d 100644
--- a/sound/pci/hda/hda_component.h
+++ b/sound/pci/hda/hda_component.h
@@ -6,6 +6,9 @@
* Cirrus Logic International Semiconductor Ltd.
*/
+#ifndef __HDA_COMPONENT_H__
+#define __HDA_COMPONENT_H__
+
#include <linux/acpi.h>
#include <linux/component.h>
@@ -82,3 +85,5 @@ static inline void hda_component_manager_unbind(struct hda_codec *cdc,
{
component_unbind_all(hda_codec_dev(cdc), comps);
}
+
+#endif /* ifndef __HDA_COMPONENT_H__ */