input_dev->id.vendor = SERIO_TOUCHWIN;
input_dev->id.product = 0;
input_dev->id.version = 0x0100;
+ input_dev->dev.parent = &serio->dev;
input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
input_dev->keybit[LONG(BTN_TOUCH)] = BIT(BTN_TOUCH);
input_set_abs_params(tw->dev, ABS_X, TW_MIN_XC, TW_MAX_XC, 0, 0);