HID: multitouch: remove last usb dependency

hid-multitouch used to direclty call for a set_idle in the .resume()
callback. With the new hid_hw_idle(), this can be dropped and
hid-multitouch is now freed from its transport layer.

Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Reviewed-by: David Herrmann <dh.herrmann@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>

diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c
index 3af9efd..f712772 100644 (file)
--- a/drivers/hid/hid-multitouch.c
+++ b/drivers/hid/hid-multitouch.c
@@ -909,26 +909,11 @@ static int mt_reset_resume(struct hid_device *hdev)
 
 static int mt_resume(struct hid_device *hdev)
 {
-       struct usb_interface *intf;
-       struct usb_host_interface *interface;
-       struct usb_device *dev;
-
-       if (hdev->bus != BUS_USB)
-               return 0;
-
-       intf = to_usb_interface(hdev->dev.parent);
-       interface = intf->cur_altsetting;
-       dev = interface_to_usbdev(intf);
-
        /* Some Elan legacy devices require SET_IDLE to be set on resume.
         * It should be safe to send it to other devices too.
         * Tested on 3M, Stantum, Cypress, Zytronic, eGalax, and Elan panels. */
 
-       usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
-                       HID_REQ_SET_IDLE,
-                       USB_TYPE_CLASS | USB_RECIP_INTERFACE,
-                       0, interface->desc.bInterfaceNumber,
-                       NULL, 0, USB_CTRL_SET_TIMEOUT);
+       hid_hw_idle(hdev, 0, 0, HID_REQ_SET_IDLE);
 
        return 0;
 }