26 #define ST1232_TS_NAME	"st1232-ts"
27 #define ST1633_TS_NAME	"st1633-ts"
51 static int st1232_ts_read_data(struct st1232_ts_data *ts)  in st1232_ts_read_data()  argument
53 	struct i2c_client *client = ts->client;  in st1232_ts_read_data()
54 	u8 start_reg = ts->chip_info->start_reg;  in st1232_ts_read_data()
64 			.len	= ts->read_buf_len,  in st1232_ts_read_data()
65 			.buf	= ts->read_buf,  in st1232_ts_read_data()
77 static int st1232_ts_parse_and_report(struct st1232_ts_data *ts)  in st1232_ts_parse_and_report()  argument
79 	struct input_dev *input = ts->input_dev;  in st1232_ts_parse_and_report()
86 	for (i = 0; i < ts->chip_info->max_fingers; i++) {  in st1232_ts_parse_and_report()
87 		u8 *buf = &ts->read_buf[i * 4];  in st1232_ts_parse_and_report()
94 					       &ts->prop, x, y);  in st1232_ts_parse_and_report()
97 			if (ts->chip_info->have_z)  in st1232_ts_parse_and_report()
98 				z[n_contacts] = ts->read_buf[i + 6];  in st1232_ts_parse_and_report()
110 		if (ts->chip_info->have_z)  in st1232_ts_parse_and_report()
122 	struct st1232_ts_data *ts = dev_id;  in st1232_ts_irq_handler()  local
126 	error = st1232_ts_read_data(ts);  in st1232_ts_irq_handler()
130 	count = st1232_ts_parse_and_report(ts);  in st1232_ts_irq_handler()
132 		if (ts->low_latency_req.dev) {  in st1232_ts_irq_handler()
133 			dev_pm_qos_remove_request(&ts->low_latency_req);  in st1232_ts_irq_handler()
134 			ts->low_latency_req.dev = NULL;  in st1232_ts_irq_handler()
136 	} else if (!ts->low_latency_req.dev) {  in st1232_ts_irq_handler()
138 		dev_pm_qos_add_ancestor_request(&ts->client->dev,  in st1232_ts_irq_handler()
139 						&ts->low_latency_req,  in st1232_ts_irq_handler()
147 static void st1232_ts_power(struct st1232_ts_data *ts, bool poweron)  in st1232_ts_power()  argument
149 	if (ts->reset_gpio)  in st1232_ts_power()
150 		gpiod_set_value_cansleep(ts->reset_gpio, !poweron);  in st1232_ts_power()
180 	struct st1232_ts_data *ts;  in st1232_ts_probe()  local
202 	ts = devm_kzalloc(&client->dev, sizeof(*ts), GFP_KERNEL);  in st1232_ts_probe()
203 	if (!ts)  in st1232_ts_probe()
206 	ts->chip_info = match;  in st1232_ts_probe()
209 	ts->read_buf_len = ts->chip_info->max_fingers * 4;  in st1232_ts_probe()
210 	ts->read_buf = devm_kzalloc(&client->dev, ts->read_buf_len, GFP_KERNEL);  in st1232_ts_probe()
211 	if (!ts->read_buf)  in st1232_ts_probe()
218 	ts->client = client;  in st1232_ts_probe()
219 	ts->input_dev = input_dev;  in st1232_ts_probe()
221 	ts->reset_gpio = devm_gpiod_get_optional(&client->dev, NULL,  in st1232_ts_probe()
223 	if (IS_ERR(ts->reset_gpio)) {  in st1232_ts_probe()
224 		error = PTR_ERR(ts->reset_gpio);  in st1232_ts_probe()
230 	st1232_ts_power(ts, true);  in st1232_ts_probe()
232 	error = devm_add_action_or_reset(&client->dev, st1232_ts_power_off, ts);  in st1232_ts_probe()
242 	if (ts->chip_info->have_z)  in st1232_ts_probe()
244 				     ts->chip_info->max_area, 0, 0);  in st1232_ts_probe()
247 			     0, ts->chip_info->max_x, 0, 0);  in st1232_ts_probe()
249 			     0, ts->chip_info->max_y, 0, 0);  in st1232_ts_probe()
251 	touchscreen_parse_properties(input_dev, true, &ts->prop);  in st1232_ts_probe()
253 	error = input_mt_init_slots(input_dev, ts->chip_info->max_fingers,  in st1232_ts_probe()
264 					  client->name, ts);  in st1232_ts_probe()
270 	error = input_register_device(ts->input_dev);  in st1232_ts_probe()
277 	i2c_set_clientdata(client, ts);  in st1232_ts_probe()
285 	struct st1232_ts_data *ts = i2c_get_clientdata(client);  in st1232_ts_suspend()  local
290 		st1232_ts_power(ts, false);  in st1232_ts_suspend()
298 	struct st1232_ts_data *ts = i2c_get_clientdata(client);  in st1232_ts_resume()  local
301 		st1232_ts_power(ts, true);  in st1232_ts_resume()