--- zzzz-none-000/linux-3.10.107/drivers/media/platform/s5p-mfc/s5p_mfc_ctrl.h	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/drivers/media/platform/s5p-mfc/s5p_mfc_ctrl.h	2021-02-04 17:41:59.000000000 +0000
@@ -28,4 +28,7 @@
 
 int s5p_mfc_reset(struct s5p_mfc_dev *dev);
 
+int s5p_mfc_open_mfc_inst(struct s5p_mfc_dev *dev, struct s5p_mfc_ctx *ctx);
+void s5p_mfc_close_mfc_inst(struct s5p_mfc_dev *dev, struct s5p_mfc_ctx *ctx);
+
 #endif /* S5P_MFC_CTRL_H */