+/*****************************************************************************
+ * Zytronic Part
+ */
+#ifdef CONFIG_TOUCHSCREEN_USB_ZYTRONIC
+static int zytronic_read_data(struct usbtouch_usb *dev, unsigned char *pkt)
+{
+ switch (pkt[0]) {
+ case 0x3A: /* command response */
+ dbg("%s: Command response %d", __func__, pkt[1]);
+ break;
+
+ case 0xC0: /* down */
+ dev->x = (pkt[1] & 0x7f) | ((pkt[2] & 0x07) << 7);
+ dev->y = (pkt[3] & 0x7f) | ((pkt[4] & 0x07) << 7);
+ dev->touch = 1;
+ dbg("%s: down %d,%d", __func__, dev->x, dev->y);
+ return 1;
+
+ case 0x80: /* up */
+ dev->x = (pkt[1] & 0x7f) | ((pkt[2] & 0x07) << 7);
+ dev->y = (pkt[3] & 0x7f) | ((pkt[4] & 0x07) << 7);
+ dev->touch = 0;
+ dbg("%s: up %d,%d", __func__, dev->x, dev->y);
+ return 1;
+
+ default:
+ dbg("%s: Unknown return %d", __func__, pkt[0]);
+ break;
+ }
+
+ return 0;
+}
+#endif