X-Git-Url: http://plrg.eecs.uci.edu/git/?p=firefly-linux-kernel-4.4.55.git;a=blobdiff_plain;f=drivers%2Fusb%2Fdwc_otg_310%2Fusbdev_rk3368.c;h=833671c1e1e51f24a1194b35122ab0b9151a97a2;hp=6e0cde4c740499b05d0c3b15890fe6299a03a90d;hb=ec42359f2660cfd0afa81c4e38b9e3695a1828a0;hpb=1d25707ec252866943bb1b4e248dacfb7a3027d0

diff --git a/drivers/usb/dwc_otg_310/usbdev_rk3368.c b/drivers/usb/dwc_otg_310/usbdev_rk3368.c
index 6e0cde4c7404..833671c1e1e5 100644
--- a/drivers/usb/dwc_otg_310/usbdev_rk3368.c
+++ b/drivers/usb/dwc_otg_310/usbdev_rk3368.c
@@ -186,15 +186,17 @@ static void dwc_otg_uart_mode(void *pdata, int enter_usb_uart_mode)
 static void usb20otg_power_enable(int enable)
 {
 	if (0 == enable) {
-		rk_battery_charger_detect_cb(USB_OTG_POWER_OFF);
 		/* disable otg_drv power */
 		if (gpio_is_valid(control_usb->otg_gpios->gpio))
 			gpio_set_value(control_usb->otg_gpios->gpio, 0);
+		else if (usb20otg_get_status(USB_STATUS_BVABLID))
+			rk_battery_charger_detect_cb(USB_OTG_POWER_OFF);
 	} else if (1 == enable) {
-		rk_battery_charger_detect_cb(USB_OTG_POWER_ON);
 		/* enable otg_drv power */
 		if (gpio_is_valid(control_usb->otg_gpios->gpio))
 			gpio_set_value(control_usb->otg_gpios->gpio, 1);
+		else if (!usb20otg_get_status(USB_STATUS_BVABLID))
+			rk_battery_charger_detect_cb(USB_OTG_POWER_ON);
 	}
 }