struct usb_wwan_port_private *portdata;
int ifNum = serial->interface->cur_altsetting->desc.bInterfaceNumber;
int val = 0;
+ int res;
dbg("%s", __func__);
if (is_blacklisted(ifNum, OPTION_BLACKLIST_SENDSETUP,
if (portdata->rts_state)
val |= 0x02;
- return usb_control_msg(serial->dev,
- usb_rcvctrlpipe(serial->dev, 0),
- 0x22, 0x21, val, ifNum, NULL, 0, USB_CTRL_SET_TIMEOUT);
+ res = usb_autopm_get_interface(serial->interface);
+ if (res)
+ return res;
+
+ res = usb_control_msg(serial->dev, usb_rcvctrlpipe(serial->dev, 0),
+ 0x22, 0x21, val, ifNum, NULL,
+ 0, USB_CTRL_SET_TIMEOUT);
+
+ usb_autopm_put_interface(serial->interface);
+
+ return res;
}
MODULE_AUTHOR(DRIVER_AUTHOR);