56 static int st1232_ts_read_data(struct st1232_ts_data *ts)  in st1232_ts_read_data()  argument
58 	struct st1232_ts_finger *finger = ts->finger;  in st1232_ts_read_data()
59 	struct i2c_client *client = ts->client;  in st1232_ts_read_data()
63 	u8 start_reg = ts->chip_info->start_reg;  in st1232_ts_read_data()
64 	u8 *buf = ts->read_buf;  in st1232_ts_read_data()
72 	msg[1].addr = ts->client->addr;  in st1232_ts_read_data()
74 	msg[1].len = ts->read_buf_len;  in st1232_ts_read_data()
81 	for (i = 0, y = 0; i < ts->chip_info->max_fingers; i++, y += 3) {  in st1232_ts_read_data()
90 			if (ts->chip_info->have_z)  in st1232_ts_read_data()
100 	struct st1232_ts_data *ts = dev_id;  in st1232_ts_irq_handler()  local
101 	struct st1232_ts_finger *finger = ts->finger;  in st1232_ts_irq_handler()
102 	struct input_dev *input_dev = ts->input_dev;  in st1232_ts_irq_handler()
106 	ret = st1232_ts_read_data(ts);  in st1232_ts_irq_handler()
111 	for (i = 0; i < ts->chip_info->max_fingers; i++) {  in st1232_ts_irq_handler()
115 		if (ts->chip_info->have_z)  in st1232_ts_irq_handler()
119 		touchscreen_report_pos(input_dev, &ts->prop,  in st1232_ts_irq_handler()
128 		if (ts->low_latency_req.dev) {  in st1232_ts_irq_handler()
129 			dev_pm_qos_remove_request(&ts->low_latency_req);  in st1232_ts_irq_handler()
130 			ts->low_latency_req.dev = NULL;  in st1232_ts_irq_handler()
132 	} else if (!ts->low_latency_req.dev) {  in st1232_ts_irq_handler()
134 		dev_pm_qos_add_ancestor_request(&ts->client->dev,  in st1232_ts_irq_handler()
135 						&ts->low_latency_req,  in st1232_ts_irq_handler()
146 static void st1232_ts_power(struct st1232_ts_data *ts, bool poweron)  in st1232_ts_power()  argument
148 	if (ts->reset_gpio)  in st1232_ts_power()
149 		gpiod_set_value_cansleep(ts->reset_gpio, !poweron);  in st1232_ts_power()
174 	struct st1232_ts_data *ts;  in st1232_ts_probe()  local
197 	ts = devm_kzalloc(&client->dev, sizeof(*ts), GFP_KERNEL);  in st1232_ts_probe()
198 	if (!ts)  in st1232_ts_probe()
201 	ts->chip_info = match;  in st1232_ts_probe()
202 	ts->finger = devm_kcalloc(&client->dev,  in st1232_ts_probe()
203 				  ts->chip_info->max_fingers, sizeof(*finger),  in st1232_ts_probe()
205 	if (!ts->finger)  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()
241 	if (ts->chip_info->have_z)  in st1232_ts_probe()
243 				     ts->chip_info->max_area, 0, 0);  in st1232_ts_probe()
246 			     0, ts->chip_info->max_x, 0, 0);  in st1232_ts_probe()
248 			     0, ts->chip_info->max_y, 0, 0);  in st1232_ts_probe()
250 	touchscreen_parse_properties(input_dev, true, &ts->prop);  in st1232_ts_probe()
255 					  client->name, ts);  in st1232_ts_probe()
261 	error = input_register_device(ts->input_dev);  in st1232_ts_probe()
268 	i2c_set_clientdata(client, ts);  in st1232_ts_probe()
276 	struct st1232_ts_data *ts = i2c_get_clientdata(client);  in st1232_ts_remove()  local
278 	st1232_ts_power(ts, false);  in st1232_ts_remove()
286 	struct st1232_ts_data *ts = i2c_get_clientdata(client);  in st1232_ts_suspend()  local
292 		st1232_ts_power(ts, false);  in st1232_ts_suspend()
301 	struct st1232_ts_data *ts = i2c_get_clientdata(client);  in st1232_ts_resume()  local
306 		st1232_ts_power(ts, true);  in st1232_ts_resume()