diff --git a/drivers/misc/slimport_anx7808/slimport.c b/drivers/misc/slimport_anx7808/slimport.c
index 3d7cbf33f29..d420972acfa 100644
--- a/drivers/misc/slimport_anx7808/slimport.c
+++ b/drivers/misc/slimport_anx7808/slimport.c
@@ -130,11 +130,11 @@ void sp_tx_hardware_poweron(void)
 	mdelay(5);
 
 	gpio_set_value(pdata->gpio_reset, 0);
-	msleep(1);
-	gpio_set_value(pdata->gpio_p_dwn, 0);
-	msleep(2);
-	pdata->switch_power(1);
 	msleep(20);
+	gpio_set_value(pdata->gpio_p_dwn, 0);
+	msleep(10);
+	pdata->switch_power(1);
+	msleep(100);
 	gpio_set_value(pdata->gpio_reset, 1);
 
 	SP_DEV_DBG("%s: anx7808 power on\n", __func__);