122 static int lm95234_fill_cache(struct lm95234_data *data,  in lm95234_fill_cache()  argument
131 	data->interval = msecs_to_jiffies(update_intervals[ret & 0x03]);  in lm95234_fill_cache()
133 	for (i = 0; i < ARRAY_SIZE(data->tcrit1); i++) {  in lm95234_fill_cache()
137 		data->tcrit1[i] = ret;  in lm95234_fill_cache()
139 	for (i = 0; i < ARRAY_SIZE(data->tcrit2); i++) {  in lm95234_fill_cache()
143 		data->tcrit2[i] = ret;  in lm95234_fill_cache()
145 	for (i = 0; i < ARRAY_SIZE(data->toffset); i++) {  in lm95234_fill_cache()
149 		data->toffset[i] = ret;  in lm95234_fill_cache()
155 	data->thyst = ret;  in lm95234_fill_cache()
160 	data->sensor_type = ret;  in lm95234_fill_cache()
165 static int lm95234_update_device(struct lm95234_data *data)  in lm95234_update_device()  argument
167 	struct i2c_client *client = data->client;  in lm95234_update_device()
170 	mutex_lock(&data->update_lock);  in lm95234_update_device()
172 	if (time_after(jiffies, data->last_updated + data->interval) ||  in lm95234_update_device()
173 	    !data->valid) {  in lm95234_update_device()
176 		if (!data->valid) {  in lm95234_update_device()
177 			ret = lm95234_fill_cache(data, client);  in lm95234_update_device()
182 		data->valid = false;  in lm95234_update_device()
183 		for (i = 0; i < ARRAY_SIZE(data->temp); i++) {  in lm95234_update_device()
184 			ret = lm95234_read_temp(client, i, &data->temp[i]);  in lm95234_update_device()
192 		data->status = ret;  in lm95234_update_device()
197 		data->status |= ret << 8;  in lm95234_update_device()
202 		data->status |= ret << 16;  in lm95234_update_device()
204 		data->last_updated = jiffies;  in lm95234_update_device()
205 		data->valid = true;  in lm95234_update_device()
209 	mutex_unlock(&data->update_lock);  in lm95234_update_device()
217 	struct lm95234_data *data = dev_get_drvdata(dev);  in show_temp()  local
219 	int ret = lm95234_update_device(data);  in show_temp()
225 		       DIV_ROUND_CLOSEST(data->temp[index] * 125, 32));  in show_temp()
231 	struct lm95234_data *data = dev_get_drvdata(dev);  in show_alarm()  local
233 	int ret = lm95234_update_device(data);  in show_alarm()
238 	return sprintf(buf, "%u", !!(data->status & mask));  in show_alarm()
244 	struct lm95234_data *data = dev_get_drvdata(dev);  in show_type()  local
246 	int ret = lm95234_update_device(data);  in show_type()
251 	return sprintf(buf, data->sensor_type & mask ? "1\n" : "2\n");  in show_type()
257 	struct lm95234_data *data = dev_get_drvdata(dev);  in set_type()  local
260 	int ret = lm95234_update_device(data);  in set_type()
272 	mutex_lock(&data->update_lock);  in set_type()
274 		data->sensor_type |= mask;  in set_type()
276 		data->sensor_type &= ~mask;  in set_type()
277 	data->valid = false;  in set_type()
278 	i2c_smbus_write_byte_data(data->client, LM95234_REG_REM_MODEL,  in set_type()
279 				  data->sensor_type);  in set_type()
280 	mutex_unlock(&data->update_lock);  in set_type()
288 	struct lm95234_data *data = dev_get_drvdata(dev);  in show_tcrit2()  local
290 	int ret = lm95234_update_device(data);  in show_tcrit2()
295 	return sprintf(buf, "%u", data->tcrit2[index] * 1000);  in show_tcrit2()
301 	struct lm95234_data *data = dev_get_drvdata(dev);  in set_tcrit2()  local
304 	int ret = lm95234_update_device(data);  in set_tcrit2()
315 	mutex_lock(&data->update_lock);  in set_tcrit2()
316 	data->tcrit2[index] = val;  in set_tcrit2()
317 	i2c_smbus_write_byte_data(data->client, LM95234_REG_TCRIT2(index), val);  in set_tcrit2()
318 	mutex_unlock(&data->update_lock);  in set_tcrit2()
326 	struct lm95234_data *data = dev_get_drvdata(dev);  in show_tcrit2_hyst()  local
328 	int ret = lm95234_update_device(data);  in show_tcrit2_hyst()
335 		       ((int)data->tcrit2[index] - (int)data->thyst) * 1000);  in show_tcrit2_hyst()
341 	struct lm95234_data *data = dev_get_drvdata(dev);  in show_tcrit1()  local
344 	return sprintf(buf, "%u", data->tcrit1[index] * 1000);  in show_tcrit1()
350 	struct lm95234_data *data = dev_get_drvdata(dev);  in set_tcrit1()  local
352 	int ret = lm95234_update_device(data);  in set_tcrit1()
364 	mutex_lock(&data->update_lock);  in set_tcrit1()
365 	data->tcrit1[index] = val;  in set_tcrit1()
366 	i2c_smbus_write_byte_data(data->client, LM95234_REG_TCRIT1(index), val);  in set_tcrit1()
367 	mutex_unlock(&data->update_lock);  in set_tcrit1()
375 	struct lm95234_data *data = dev_get_drvdata(dev);  in show_tcrit1_hyst()  local
377 	int ret = lm95234_update_device(data);  in show_tcrit1_hyst()
384 		       ((int)data->tcrit1[index] - (int)data->thyst) * 1000);  in show_tcrit1_hyst()
391 	struct lm95234_data *data = dev_get_drvdata(dev);  in set_tcrit1_hyst()  local
393 	int ret = lm95234_update_device(data);  in set_tcrit1_hyst()
404 	val = clamp_val((int)data->tcrit1[index] - val, 0, 31);  in set_tcrit1_hyst()
406 	mutex_lock(&data->update_lock);  in set_tcrit1_hyst()
407 	data->thyst = val;  in set_tcrit1_hyst()
408 	i2c_smbus_write_byte_data(data->client, LM95234_REG_TCRIT_HYST, val);  in set_tcrit1_hyst()
409 	mutex_unlock(&data->update_lock);  in set_tcrit1_hyst()
417 	struct lm95234_data *data = dev_get_drvdata(dev);  in show_offset()  local
419 	int ret = lm95234_update_device(data);  in show_offset()
424 	return sprintf(buf, "%d", data->toffset[index] * 500);  in show_offset()
430 	struct lm95234_data *data = dev_get_drvdata(dev);  in set_offset()  local
432 	int ret = lm95234_update_device(data);  in set_offset()
445 	mutex_lock(&data->update_lock);  in set_offset()
446 	data->toffset[index] = val;  in set_offset()
447 	i2c_smbus_write_byte_data(data->client, LM95234_REG_OFFSET(index), val);  in set_offset()
448 	mutex_unlock(&data->update_lock);  in set_offset()
456 	struct lm95234_data *data = dev_get_drvdata(dev);  in show_interval()  local
457 	int ret = lm95234_update_device(data);  in show_interval()
463 		       DIV_ROUND_CLOSEST(data->interval * 1000, HZ));  in show_interval()
469 	struct lm95234_data *data = dev_get_drvdata(dev);  in set_interval()  local
470 	int ret = lm95234_update_device(data);  in set_interval()
486 	mutex_lock(&data->update_lock);  in set_interval()
487 	data->interval = msecs_to_jiffies(update_intervals[regval]);  in set_interval()
488 	i2c_smbus_write_byte_data(data->client, LM95234_REG_CONVRATE, regval);  in set_interval()
489 	mutex_unlock(&data->update_lock);  in set_interval()
720 	struct lm95234_data *data;  in lm95234_probe()  local
724 	data = devm_kzalloc(dev, sizeof(struct lm95234_data), GFP_KERNEL);  in lm95234_probe()
725 	if (!data)  in lm95234_probe()
728 	data->client = client;  in lm95234_probe()
729 	mutex_init(&data->update_lock);  in lm95234_probe()
736 	data->groups[0] = &lm95234_common_group;  in lm95234_probe()
738 		data->groups[1] = &lm95234_group;  in lm95234_probe()
741 							   data, data->groups);  in lm95234_probe()