52 struct tw {  struct
64 	struct tw *tw = serio_get_drvdata(serio);  in tw_interrupt()  argument
65 	struct input_dev *dev = tw->dev;  in tw_interrupt()
68 		tw->touched = 1;  in tw_interrupt()
69 		tw->data[tw->idx++] = data;  in tw_interrupt()
71 		if (tw->idx == TW_LENGTH && tw->data[1] == tw->data[2]) {  in tw_interrupt()
72 			input_report_abs(dev, ABS_X, tw->data[0]);  in tw_interrupt()
73 			input_report_abs(dev, ABS_Y, tw->data[1]);  in tw_interrupt()
76 			tw->idx = 0;  in tw_interrupt()
78 	} else if (tw->touched) {	/* untouch */  in tw_interrupt()
81 		tw->idx = 0;  in tw_interrupt()
82 		tw->touched = 0;  in tw_interrupt()
94 	struct tw *tw = serio_get_drvdata(serio);  in tw_disconnect()  local
96 	input_get_device(tw->dev);  in tw_disconnect()
97 	input_unregister_device(tw->dev);  in tw_disconnect()
100 	input_put_device(tw->dev);  in tw_disconnect()
101 	kfree(tw);  in tw_disconnect()
112 	struct tw *tw;  in tw_connect()  local
116 	tw = kzalloc(sizeof(struct tw), GFP_KERNEL);  in tw_connect()
118 	if (!tw || !input_dev) {  in tw_connect()
123 	tw->serio = serio;  in tw_connect()
124 	tw->dev = input_dev;  in tw_connect()
125 	snprintf(tw->phys, sizeof(tw->phys), "%s/input0", serio->phys);  in tw_connect()
128 	input_dev->phys = tw->phys;  in tw_connect()
136 	input_set_abs_params(tw->dev, ABS_X, TW_MIN_XC, TW_MAX_XC, 0, 0);  in tw_connect()
137 	input_set_abs_params(tw->dev, ABS_Y, TW_MIN_YC, TW_MAX_YC, 0, 0);  in tw_connect()
139 	serio_set_drvdata(serio, tw);  in tw_connect()
145 	err = input_register_device(tw->dev);  in tw_connect()
154 	kfree(tw);  in tw_connect()