diff --git a/include/uapi/linux/rk-camera-module.h b/include/uapi/linux/rk-camera-module.h
index cd0f956eb29c..32f72f09314a 100644
--- a/include/uapi/linux/rk-camera-module.h
+++ b/include/uapi/linux/rk-camera-module.h
@@ -228,6 +228,9 @@
 #define RKMODULE_GET_BLC_INFO  \
 	_IOR('V', BASE_VIDIOC_PRIVATE + 54, struct rkmodule_blc_info)
 
+#define RKMODULE_SET_CMPS_MODE       \
+	_IOW('V', BASE_VIDIOC_PRIVATE + 55, __u32)
+
 struct rkmodule_i2cdev_info {
 	__u8 slave_addr;
 } __attribute__ ((packed));
@@ -981,4 +984,9 @@ struct rkmodule_blc_info {
 	__u32 reserved[8];
 };
 
+enum rkmodule_cmps_mode {
+	CMPS_LOW_BIT_WIDTH_MODE,
+	CMPS_HIGH_BIT_WIDTH_MODE,
+};
+
 #endif /* _UAPI_RKMODULE_CAMERA_H */