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Commit 4ba25d3f authored by Benjamin Tissoires's avatar Benjamin Tissoires Committed by Jiri Kosina
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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: default avatarBenjamin Tissoires <benjamin.tissoires@redhat.com>
Reviewed-by: default avatarDavid Herrmann <dh.herrmann@gmail.com>
Signed-off-by: default avatarJiri Kosina <jkosina@suse.cz>
parent 9684819b

drivers/hid/hid-multitouch.c

+1 −16
Original line number Diff line number Diff line
@@ -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;

}