usbtouchscreen: fix ITM data reading

From: Kai Lindhom <megantti@gmail.com>
Signed-off-by: Daniel Ritz <daniel.ritz@gmx.ch>
Acked-by: Dmitry Torokhov <dtor@mail.ru>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/usb/input/usbtouchscreen.c

@@ -286,7 +286,7 @@ static int mtouch_init(struct usbtouch_usb *usbtouch)
 static int itm_read_data(unsigned char *pkt, int *x, int *y, int *touch, int *press)
 {
 	*x = ((pkt[0] & 0x1F) << 7) | (pkt[3] & 0x7F);
-	*x = ((pkt[1] & 0x1F) << 7) | (pkt[4] & 0x7F);
+	*y = ((pkt[1] & 0x1F) << 7) | (pkt[4] & 0x7F);
 	*press = ((pkt[2] & 0x1F) << 7) | (pkt[5] & 0x7F);
 	*touch = ~pkt[7] & 0x20;