1 files changed, 7 insertions, 0 deletions

diff --git a/drivers/media/video/msp3400-driver.h b/drivers/media/video/msp3400-driver.h
index ab69a290e5dc..3fe1c1b10f53 100644
--- a/drivers/media/video/msp3400-driver.h
+++ b/drivers/media/video/msp3400-driver.h
@@ -5,6 +5,7 @@
 #define MSP3400_DRIVER_H
 
 #include <media/msp3400.h>
+#include <media/v4l2-device.h>
 
 /* ---------------------------------------------------------------------- */
 
@@ -49,6 +50,7 @@ extern int msp_dolby;
 extern int msp_stereo_thresh;
 
 struct msp_state {
+        struct v4l2_subdev sd;
         int rev1, rev2;
         int ident;
         u8 has_nicam;
@@ -96,6 +98,11 @@ struct msp_state {
         unsigned int         watch_stereo:1;
 };
 
+static inline struct msp_state *to_state(struct v4l2_subdev *sd)
+{
+        return container_of(sd, struct msp_state, sd);
+}
+
 /* msp3400-driver.c */
 int msp_write_dem(struct i2c_client *client, int addr, int val);
 int msp_write_dsp(struct i2c_client *client, int addr, int val);