diff --git a/drivers/media/frc/frc_interface.c b/drivers/media/frc/frc_interface.c
index de043e285..3429a4235 100644
--- a/drivers/media/frc/frc_interface.c
+++ b/drivers/media/frc/frc_interface.c
@@ -224,3 +224,19 @@ int frc_drv_get_1st_frm(void)
 }
 EXPORT_SYMBOL(frc_drv_get_1st_frm);
 
+int frc_get_n2m_setting(void)
+{
+	struct frc_dev_s *devp = get_frc_devp();
+
+	if (!devp)
+		return 0;
+	if (!devp->probe_ok)
+		return 0;
+	if (devp->in_out_ratio == FRC_RATIO_1_1)
+		return 1;
+	else if (devp->in_out_ratio == FRC_RATIO_1_2)
+		return 2;
+	else
+		return 0;
+}
+EXPORT_SYMBOL(frc_get_n2m_setting);
diff --git a/include/linux/amlogic/media/frc/frc_common.h b/include/linux/amlogic/media/frc/frc_common.h
index 53c6cab12..7664ee4f4 100644
--- a/include/linux/amlogic/media/frc/frc_common.h
+++ b/include/linux/amlogic/media/frc/frc_common.h
@@ -250,7 +250,7 @@ extern int frc_kerdrv_ver;
 void config_phs_regs(enum frc_ratio_mode_type frc_ratio_mode,
 	enum en_drv_film_mode film_mode);
 int frc_drv_get_1st_frm(void);
-
+int frc_get_n2m_setting(void);
 
 #define pr_frc(level, fmt, arg...)			\
 	do {						\