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>

1 files changed, 1 insertions, 16 deletions

diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c
index 3af9efdd13d9..f712772437cb 100644
--- 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;
 }