diff --git a/src/mainboard/google/oak/mainboard.c b/src/mainboard/google/oak/mainboard.c
index 1bf8d49872..e33d08c7a1 100644
--- a/src/mainboard/google/oak/mainboard.c
+++ b/src/mainboard/google/oak/mainboard.c
@@ -252,6 +252,10 @@ static void mainboard_init(device_t dev)
 	gpio_input(PAD_EINT1); /* SD_DET */
 
 	configure_audio();
+
+	/* fix dsi lp mode is half voltage attenuation */
+	mtk_dsi_pin_drv_ctrl();
+
 	if (display_init_required()) {
 		configure_backlight();
 		configure_display();