1 files changed, 2 insertions, 0 deletions

diff --git a/include/linux/mfd/wm831x/core.h b/include/linux/mfd/wm831x/core.h
index 53580b592bc9..5915f6e3d9ab 100644
--- a/include/linux/mfd/wm831x/core.h
+++ b/include/linux/mfd/wm831x/core.h
@@ -15,6 +15,7 @@
 #ifndef __MFD_WM831X_CORE_H__
 #define __MFD_WM831X_CORE_H__
 
+#include <linux/completion.h>
 #include <linux/interrupt.h>
 
 /*
@@ -261,6 +262,7 @@ struct wm831x {
         int num_gpio;
 
         struct mutex auxadc_lock;
+        struct completion auxadc_done;
 
         /* The WM831x has a security key blocking access to certain
          * registers.  The mutex is taken by the accessors for locking