diff options
| -rw-r--r-- | drivers/input/touchscreen/usbtouchscreen.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/drivers/input/touchscreen/usbtouchscreen.c b/drivers/input/touchscreen/usbtouchscreen.c index b9cee2738ad..9cda660ee7b 100644 --- a/drivers/input/touchscreen/usbtouchscreen.c +++ b/drivers/input/touchscreen/usbtouchscreen.c @@ -1296,6 +1296,29 @@ static void usbtouch_close(struct input_dev *input) usb_kill_urb(usbtouch->irq); } +static int usbtouch_suspend +(struct usb_interface *intf, pm_message_t message) +{ + struct usbtouch_usb *usbtouch = usb_get_intfdata(intf); + + usb_kill_urb(usbtouch->irq); + + return 0; +} + +static int usbtouch_resume(struct usb_interface *intf) +{ + struct usbtouch_usb *usbtouch = usb_get_intfdata(intf); + struct input_dev *input = usbtouch->input; + int result = 0; + + mutex_lock(&input->mutex); + if (input->users || usbtouch->type->irq_always) + result = usb_submit_urb(usbtouch->irq, GFP_NOIO); + mutex_unlock(&input->mutex); + + return result; +} static void usbtouch_free_buffers(struct usb_device *udev, struct usbtouch_usb *usbtouch) @@ -1486,6 +1509,8 @@ static struct usb_driver usbtouch_driver = { .name = "usbtouchscreen", .probe = usbtouch_probe, .disconnect = usbtouch_disconnect, + .suspend = usbtouch_suspend, + .resume = usbtouch_resume, .id_table = usbtouch_devices, }; |