input/touchscreen/gunze.c

33 struct gunze {
41 static void gunze_process_packet(struct gunze *gunze)
43 	struct input_dev *dev = gunze->dev;
45 	if (gunze->idx != GUNZE_MAX_LENGTH || gunze->data[5] != ',' ||
46 		(gunze->data[0] != 'T' && gunze->data[0] != 'R')) {
47 		printk(KERN_WARNING "gunze.c: bad packet: >%.*s<\n", GUNZE_MAX_LENGTH, gunze->data);
51 	input_report_abs(dev, ABS_X, simple_strtoul(gunze->data + 1, NULL, 10));
52 	input_report_abs(dev, ABS_Y, 1024 - simple_strtoul(gunze->data + 6, NULL, 10));
53 	input_report_key(dev, BTN_TOUCH, gunze->data[0] == 'T');
60 	struct gunze *gunze = serio_get_drvdata(serio);
63 		gunze_process_packet(gunze);
64 		gunze->idx = 0;
66 		if (gunze->idx < GUNZE_MAX_LENGTH)
67 			gunze->data[gunze->idx++] = data;
78 	struct gunze *gunze = serio_get_drvdata(serio);
80 	input_get_device(gunze->dev);
81 	input_unregister_device(gunze->dev);
84 	input_put_device(gunze->dev);
85 	kfree(gunze);
96 	struct gunze *gunze;
100 	gunze = kzalloc(sizeof(struct gunze), GFP_KERNEL);
102 	if (!gunze || !input_dev) {
107 	gunze->serio = serio;
108 	gunze->dev = input_dev;
109 	snprintf(gunze->phys, sizeof(serio->phys), "%s/input0", serio->phys);
112 	input_dev->phys = gunze->phys;
123 	serio_set_drvdata(serio, gunze);
129 	err = input_register_device(gunze->dev);
138 	kfree(gunze);
160 		.name	= "gunze",