diff --git a/drivers/amlogic/media/vout/vdac/vdac_dev.c b/drivers/amlogic/media/vout/vdac/vdac_dev.c
index b5b3533c20ad..691091168a58 100644
--- a/drivers/amlogic/media/vout/vdac/vdac_dev.c
+++ b/drivers/amlogic/media/vout/vdac/vdac_dev.c
@@ -703,12 +703,17 @@ static int amvdac_drv_suspend(struct platform_device *pdev,
 {
 	if (s_vdac_data->cpu_id == VDAC_CPU_TXL)
 		vdac_hiu_reg_write(HHI_VDAC_CNTL0, 0);
+	else if (s_vdac_data->cpu_id == VDAC_CPU_TL1)
+		vdac_hiu_reg_setb(HHI_VDAC_CNTL1_G12A, 1, 7, 1);
 	pr_info("%s: suspend module\n", __func__);
 	return 0;
 }
 
 static int amvdac_drv_resume(struct platform_device *pdev)
 {
+	/*0xbc[7] for bandgap enable: 0:enable,1:disable*/
+	if (s_vdac_data->cpu_id == VDAC_CPU_TL1)
+		vdac_hiu_reg_setb(HHI_VDAC_CNTL1_G12A, 0, 7, 1);
 	pr_info("%s: resume module\n", __func__);
 	return 0;
 }