drivers/hwmon/shtc1.c

72 			       struct shtc1_data *data,
75 	int ret = i2c_master_send(client, data->command, SHTC1_CMD_LENGTH);
84 	 * will wait until the data is ready. For non blocking mode, we
87 	if (!data->setup.blocking_io)
88 		usleep_range(data->nonblocking_wait_time,
89 			     data->nonblocking_wait_time + 1000);
103 	struct shtc1_data *data = dev_get_drvdata(dev);
104 	struct i2c_client *client = data->client;
109 	mutex_lock(&data->update_lock);
111 	if (time_after(jiffies, data->last_updated + HZ / 10) || !data->valid) {
112 		ret = shtc1_update_values(client, data, buf, sizeof(buf));
124 		data->temperature = ((21875 * val) >> 13) - 45000;
126 		data->humidity = ((12500 * val) >> 13);
128 		data->last_updated = jiffies;
129 		data->valid = true;
133 	mutex_unlock(&data->update_lock);
135 	return ret == 0 ? data : ERR_PTR(ret);
142 	struct shtc1_data *data = shtc1_update_client(dev);
143 	if (IS_ERR(data))
144 		return PTR_ERR(data);
146 	return sprintf(buf, "%d\n", data->temperature);
152 	struct shtc1_data *data = shtc1_update_client(dev);
153 	if (IS_ERR(data))
154 		return PTR_ERR(data);
156 	return sprintf(buf, "%d\n", data->humidity);
170 static void shtc1_select_command(struct shtc1_data *data)
172 	if (data->setup.high_precision) {
173 		data->command = data->setup.blocking_io ?
176 		data->nonblocking_wait_time = (data->chip == shtc1) ?
180 		data->command = data->setup.blocking_io ?
183 		data->nonblocking_wait_time = (data->chip == shtc1) ?
196 	struct shtc1_data *data;
230 	data = devm_kzalloc(dev, sizeof(*data), GFP_KERNEL);
231 	if (!data)
234 	data->setup.blocking_io = false;
235 	data->setup.high_precision = true;
236 	data->client = client;
237 	data->chip = chip;
240 		data->setup.blocking_io = of_property_read_bool(np, "sensirion,blocking-io");
241 		data->setup.high_precision = !of_property_read_bool(np, "sensicon,low-precision");
244 			data->setup = *(struct shtc1_platform_data *)dev->platform_data;
247 	shtc1_select_command(data);
248 	mutex_init(&data->update_lock);
252 							   data,