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fffd80cc AS |
1 | /* |
2 | * Copyright (C) 2011 Alexander Stein <alexander.stein@systec-electronic.com> | |
3 | * | |
162a8dfe | 4 | * The LM95245 is a sensor chip made by TI / National Semiconductor. |
fffd80cc | 5 | * It reports up to two temperatures (its own plus an external one). |
fffd80cc AS |
6 | * |
7 | * This driver is based on lm95241.c | |
8 | * | |
9 | * This program is free software; you can redistribute it and/or modify | |
10 | * it under the terms of the GNU General Public License as published by | |
11 | * the Free Software Foundation; either version 2 of the License, or | |
12 | * (at your option) any later version. | |
13 | * | |
14 | * This program is distributed in the hope that it will be useful, | |
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | * GNU General Public License for more details. | |
18 | * | |
19 | * You should have received a copy of the GNU General Public License | |
20 | * along with this program; if not, write to the Free Software | |
21 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
22 | */ | |
23 | ||
24 | #include <linux/module.h> | |
25 | #include <linux/init.h> | |
26 | #include <linux/slab.h> | |
27 | #include <linux/jiffies.h> | |
28 | #include <linux/i2c.h> | |
29 | #include <linux/hwmon.h> | |
30 | #include <linux/hwmon-sysfs.h> | |
31 | #include <linux/err.h> | |
32 | #include <linux/mutex.h> | |
33 | #include <linux/sysfs.h> | |
34 | ||
fffd80cc AS |
35 | static const unsigned short normal_i2c[] = { |
36 | 0x18, 0x19, 0x29, 0x4c, 0x4d, I2C_CLIENT_END }; | |
37 | ||
38 | /* LM95245 registers */ | |
39 | /* general registers */ | |
40 | #define LM95245_REG_RW_CONFIG1 0x03 | |
41 | #define LM95245_REG_RW_CONVERS_RATE 0x04 | |
42 | #define LM95245_REG_W_ONE_SHOT 0x0F | |
43 | ||
44 | /* diode configuration */ | |
45 | #define LM95245_REG_RW_CONFIG2 0xBF | |
46 | #define LM95245_REG_RW_REMOTE_OFFH 0x11 | |
47 | #define LM95245_REG_RW_REMOTE_OFFL 0x12 | |
48 | ||
49 | /* status registers */ | |
50 | #define LM95245_REG_R_STATUS1 0x02 | |
51 | #define LM95245_REG_R_STATUS2 0x33 | |
52 | ||
53 | /* limit registers */ | |
54 | #define LM95245_REG_RW_REMOTE_OS_LIMIT 0x07 | |
55 | #define LM95245_REG_RW_LOCAL_OS_TCRIT_LIMIT 0x20 | |
56 | #define LM95245_REG_RW_REMOTE_TCRIT_LIMIT 0x19 | |
57 | #define LM95245_REG_RW_COMMON_HYSTERESIS 0x21 | |
58 | ||
59 | /* temperature signed */ | |
60 | #define LM95245_REG_R_LOCAL_TEMPH_S 0x00 | |
61 | #define LM95245_REG_R_LOCAL_TEMPL_S 0x30 | |
62 | #define LM95245_REG_R_REMOTE_TEMPH_S 0x01 | |
63 | #define LM95245_REG_R_REMOTE_TEMPL_S 0x10 | |
64 | /* temperature unsigned */ | |
65 | #define LM95245_REG_R_REMOTE_TEMPH_U 0x31 | |
66 | #define LM95245_REG_R_REMOTE_TEMPL_U 0x32 | |
67 | ||
68 | /* id registers */ | |
69 | #define LM95245_REG_R_MAN_ID 0xFE | |
70 | #define LM95245_REG_R_CHIP_ID 0xFF | |
71 | ||
72 | /* LM95245 specific bitfields */ | |
73 | #define CFG_STOP 0x40 | |
74 | #define CFG_REMOTE_TCRIT_MASK 0x10 | |
75 | #define CFG_REMOTE_OS_MASK 0x08 | |
76 | #define CFG_LOCAL_TCRIT_MASK 0x04 | |
77 | #define CFG_LOCAL_OS_MASK 0x02 | |
78 | ||
79 | #define CFG2_OS_A0 0x40 | |
80 | #define CFG2_DIODE_FAULT_OS 0x20 | |
81 | #define CFG2_DIODE_FAULT_TCRIT 0x10 | |
82 | #define CFG2_REMOTE_TT 0x08 | |
83 | #define CFG2_REMOTE_FILTER_DIS 0x00 | |
84 | #define CFG2_REMOTE_FILTER_EN 0x06 | |
85 | ||
86 | /* conversation rate in ms */ | |
87 | #define RATE_CR0063 0x00 | |
88 | #define RATE_CR0364 0x01 | |
89 | #define RATE_CR1000 0x02 | |
90 | #define RATE_CR2500 0x03 | |
91 | ||
92 | #define STATUS1_DIODE_FAULT 0x04 | |
93 | #define STATUS1_RTCRIT 0x02 | |
94 | #define STATUS1_LOC 0x01 | |
95 | ||
96 | #define MANUFACTURER_ID 0x01 | |
162a8dfe GR |
97 | #define LM95235_REVISION 0xB1 |
98 | #define LM95245_REVISION 0xB3 | |
fffd80cc AS |
99 | |
100 | static const u8 lm95245_reg_address[] = { | |
101 | LM95245_REG_R_LOCAL_TEMPH_S, | |
102 | LM95245_REG_R_LOCAL_TEMPL_S, | |
103 | LM95245_REG_R_REMOTE_TEMPH_S, | |
104 | LM95245_REG_R_REMOTE_TEMPL_S, | |
105 | LM95245_REG_R_REMOTE_TEMPH_U, | |
106 | LM95245_REG_R_REMOTE_TEMPL_U, | |
107 | LM95245_REG_RW_LOCAL_OS_TCRIT_LIMIT, | |
108 | LM95245_REG_RW_REMOTE_TCRIT_LIMIT, | |
109 | LM95245_REG_RW_COMMON_HYSTERESIS, | |
110 | LM95245_REG_R_STATUS1, | |
111 | }; | |
112 | ||
113 | /* Client data (each client gets its own) */ | |
114 | struct lm95245_data { | |
7276d55e | 115 | struct i2c_client *client; |
fffd80cc AS |
116 | struct mutex update_lock; |
117 | unsigned long last_updated; /* in jiffies */ | |
118 | unsigned long interval; /* in msecs */ | |
119 | bool valid; /* zero until following fields are valid */ | |
120 | /* registers values */ | |
121 | u8 regs[ARRAY_SIZE(lm95245_reg_address)]; | |
122 | u8 config1, config2; | |
123 | }; | |
124 | ||
125 | /* Conversions */ | |
126 | static int temp_from_reg_unsigned(u8 val_h, u8 val_l) | |
127 | { | |
128 | return val_h * 1000 + val_l * 1000 / 256; | |
129 | } | |
130 | ||
131 | static int temp_from_reg_signed(u8 val_h, u8 val_l) | |
132 | { | |
133 | if (val_h & 0x80) | |
134 | return (val_h - 0x100) * 1000; | |
135 | return temp_from_reg_unsigned(val_h, val_l); | |
136 | } | |
137 | ||
138 | static struct lm95245_data *lm95245_update_device(struct device *dev) | |
139 | { | |
7276d55e GR |
140 | struct lm95245_data *data = dev_get_drvdata(dev); |
141 | struct i2c_client *client = data->client; | |
fffd80cc AS |
142 | |
143 | mutex_lock(&data->update_lock); | |
144 | ||
145 | if (time_after(jiffies, data->last_updated | |
146 | + msecs_to_jiffies(data->interval)) || !data->valid) { | |
147 | int i; | |
148 | ||
fffd80cc AS |
149 | for (i = 0; i < ARRAY_SIZE(lm95245_reg_address); i++) |
150 | data->regs[i] | |
151 | = i2c_smbus_read_byte_data(client, | |
152 | lm95245_reg_address[i]); | |
153 | data->last_updated = jiffies; | |
154 | data->valid = 1; | |
155 | } | |
156 | ||
157 | mutex_unlock(&data->update_lock); | |
158 | ||
159 | return data; | |
160 | } | |
161 | ||
162 | static unsigned long lm95245_read_conversion_rate(struct i2c_client *client) | |
163 | { | |
164 | int rate; | |
165 | unsigned long interval; | |
166 | ||
167 | rate = i2c_smbus_read_byte_data(client, LM95245_REG_RW_CONVERS_RATE); | |
168 | ||
169 | switch (rate) { | |
170 | case RATE_CR0063: | |
171 | interval = 63; | |
172 | break; | |
173 | case RATE_CR0364: | |
174 | interval = 364; | |
175 | break; | |
176 | case RATE_CR1000: | |
177 | interval = 1000; | |
178 | break; | |
179 | case RATE_CR2500: | |
180 | default: | |
181 | interval = 2500; | |
182 | break; | |
183 | } | |
184 | ||
185 | return interval; | |
186 | } | |
187 | ||
188 | static unsigned long lm95245_set_conversion_rate(struct i2c_client *client, | |
189 | unsigned long interval) | |
190 | { | |
191 | int rate; | |
192 | ||
193 | if (interval <= 63) { | |
194 | interval = 63; | |
195 | rate = RATE_CR0063; | |
196 | } else if (interval <= 364) { | |
197 | interval = 364; | |
198 | rate = RATE_CR0364; | |
199 | } else if (interval <= 1000) { | |
200 | interval = 1000; | |
201 | rate = RATE_CR1000; | |
202 | } else { | |
203 | interval = 2500; | |
204 | rate = RATE_CR2500; | |
205 | } | |
206 | ||
207 | i2c_smbus_write_byte_data(client, LM95245_REG_RW_CONVERS_RATE, rate); | |
208 | ||
209 | return interval; | |
210 | } | |
211 | ||
212 | /* Sysfs stuff */ | |
213 | static ssize_t show_input(struct device *dev, struct device_attribute *attr, | |
214 | char *buf) | |
215 | { | |
216 | struct lm95245_data *data = lm95245_update_device(dev); | |
217 | int temp; | |
218 | int index = to_sensor_dev_attr(attr)->index; | |
219 | ||
220 | /* | |
221 | * Index 0 (Local temp) is always signed | |
222 | * Index 2 (Remote temp) has both signed and unsigned data | |
223 | * use signed calculation for remote if signed bit is set | |
224 | */ | |
225 | if (index == 0 || data->regs[index] & 0x80) | |
226 | temp = temp_from_reg_signed(data->regs[index], | |
227 | data->regs[index + 1]); | |
228 | else | |
229 | temp = temp_from_reg_unsigned(data->regs[index + 2], | |
230 | data->regs[index + 3]); | |
231 | ||
232 | return snprintf(buf, PAGE_SIZE - 1, "%d\n", temp); | |
233 | } | |
234 | ||
235 | static ssize_t show_limit(struct device *dev, struct device_attribute *attr, | |
236 | char *buf) | |
237 | { | |
238 | struct lm95245_data *data = lm95245_update_device(dev); | |
239 | int index = to_sensor_dev_attr(attr)->index; | |
240 | ||
241 | return snprintf(buf, PAGE_SIZE - 1, "%d\n", | |
242 | data->regs[index] * 1000); | |
243 | } | |
244 | ||
245 | static ssize_t set_limit(struct device *dev, struct device_attribute *attr, | |
246 | const char *buf, size_t count) | |
247 | { | |
7276d55e | 248 | struct lm95245_data *data = dev_get_drvdata(dev); |
fffd80cc | 249 | int index = to_sensor_dev_attr(attr)->index; |
7276d55e | 250 | struct i2c_client *client = data->client; |
fffd80cc AS |
251 | unsigned long val; |
252 | ||
179c4fdb | 253 | if (kstrtoul(buf, 10, &val) < 0) |
fffd80cc AS |
254 | return -EINVAL; |
255 | ||
256 | val /= 1000; | |
257 | ||
2a844c14 | 258 | val = clamp_val(val, 0, (index == 6 ? 127 : 255)); |
fffd80cc AS |
259 | |
260 | mutex_lock(&data->update_lock); | |
261 | ||
262 | data->valid = 0; | |
263 | ||
264 | i2c_smbus_write_byte_data(client, lm95245_reg_address[index], val); | |
265 | ||
266 | mutex_unlock(&data->update_lock); | |
267 | ||
268 | return count; | |
269 | } | |
270 | ||
408c15ea GR |
271 | static ssize_t show_crit_hyst(struct device *dev, struct device_attribute *attr, |
272 | char *buf) | |
273 | { | |
274 | struct lm95245_data *data = lm95245_update_device(dev); | |
275 | int index = to_sensor_dev_attr(attr)->index; | |
276 | int hyst = data->regs[index] - data->regs[8]; | |
277 | ||
278 | return snprintf(buf, PAGE_SIZE - 1, "%d\n", hyst * 1000); | |
279 | } | |
280 | ||
fffd80cc AS |
281 | static ssize_t set_crit_hyst(struct device *dev, struct device_attribute *attr, |
282 | const char *buf, size_t count) | |
283 | { | |
7276d55e | 284 | struct lm95245_data *data = dev_get_drvdata(dev); |
408c15ea | 285 | int index = to_sensor_dev_attr(attr)->index; |
7276d55e | 286 | struct i2c_client *client = data->client; |
fffd80cc | 287 | unsigned long val; |
408c15ea | 288 | int hyst, limit; |
fffd80cc | 289 | |
179c4fdb | 290 | if (kstrtoul(buf, 10, &val) < 0) |
fffd80cc AS |
291 | return -EINVAL; |
292 | ||
fffd80cc AS |
293 | mutex_lock(&data->update_lock); |
294 | ||
408c15ea GR |
295 | limit = i2c_smbus_read_byte_data(client, lm95245_reg_address[index]); |
296 | hyst = limit - val / 1000; | |
297 | hyst = clamp_val(hyst, 0, 31); | |
298 | data->regs[8] = hyst; | |
fffd80cc AS |
299 | |
300 | /* shared crit hysteresis */ | |
301 | i2c_smbus_write_byte_data(client, LM95245_REG_RW_COMMON_HYSTERESIS, | |
408c15ea | 302 | hyst); |
fffd80cc AS |
303 | |
304 | mutex_unlock(&data->update_lock); | |
305 | ||
306 | return count; | |
307 | } | |
308 | ||
309 | static ssize_t show_type(struct device *dev, struct device_attribute *attr, | |
310 | char *buf) | |
311 | { | |
7276d55e | 312 | struct lm95245_data *data = dev_get_drvdata(dev); |
fffd80cc AS |
313 | |
314 | return snprintf(buf, PAGE_SIZE - 1, | |
315 | data->config2 & CFG2_REMOTE_TT ? "1\n" : "2\n"); | |
316 | } | |
317 | ||
318 | static ssize_t set_type(struct device *dev, struct device_attribute *attr, | |
319 | const char *buf, size_t count) | |
320 | { | |
7276d55e GR |
321 | struct lm95245_data *data = dev_get_drvdata(dev); |
322 | struct i2c_client *client = data->client; | |
fffd80cc AS |
323 | unsigned long val; |
324 | ||
179c4fdb | 325 | if (kstrtoul(buf, 10, &val) < 0) |
fffd80cc AS |
326 | return -EINVAL; |
327 | if (val != 1 && val != 2) | |
328 | return -EINVAL; | |
329 | ||
330 | mutex_lock(&data->update_lock); | |
331 | ||
332 | if (val == 1) | |
333 | data->config2 |= CFG2_REMOTE_TT; | |
334 | else | |
335 | data->config2 &= ~CFG2_REMOTE_TT; | |
336 | ||
337 | data->valid = 0; | |
338 | ||
339 | i2c_smbus_write_byte_data(client, LM95245_REG_RW_CONFIG2, | |
340 | data->config2); | |
341 | ||
342 | mutex_unlock(&data->update_lock); | |
343 | ||
344 | return count; | |
345 | } | |
346 | ||
347 | static ssize_t show_alarm(struct device *dev, struct device_attribute *attr, | |
348 | char *buf) | |
349 | { | |
350 | struct lm95245_data *data = lm95245_update_device(dev); | |
351 | int index = to_sensor_dev_attr(attr)->index; | |
352 | ||
353 | return snprintf(buf, PAGE_SIZE - 1, "%d\n", | |
354 | !!(data->regs[9] & index)); | |
355 | } | |
356 | ||
357 | static ssize_t show_interval(struct device *dev, struct device_attribute *attr, | |
358 | char *buf) | |
359 | { | |
360 | struct lm95245_data *data = lm95245_update_device(dev); | |
361 | ||
362 | return snprintf(buf, PAGE_SIZE - 1, "%lu\n", data->interval); | |
363 | } | |
364 | ||
365 | static ssize_t set_interval(struct device *dev, struct device_attribute *attr, | |
366 | const char *buf, size_t count) | |
367 | { | |
7276d55e GR |
368 | struct lm95245_data *data = dev_get_drvdata(dev); |
369 | struct i2c_client *client = data->client; | |
fffd80cc AS |
370 | unsigned long val; |
371 | ||
179c4fdb | 372 | if (kstrtoul(buf, 10, &val) < 0) |
fffd80cc AS |
373 | return -EINVAL; |
374 | ||
375 | mutex_lock(&data->update_lock); | |
376 | ||
377 | data->interval = lm95245_set_conversion_rate(client, val); | |
378 | ||
379 | mutex_unlock(&data->update_lock); | |
380 | ||
381 | return count; | |
382 | } | |
383 | ||
384 | static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, show_input, NULL, 0); | |
385 | static SENSOR_DEVICE_ATTR(temp1_crit, S_IWUSR | S_IRUGO, show_limit, | |
386 | set_limit, 6); | |
408c15ea GR |
387 | static SENSOR_DEVICE_ATTR(temp1_crit_hyst, S_IWUSR | S_IRUGO, show_crit_hyst, |
388 | set_crit_hyst, 6); | |
fffd80cc AS |
389 | static SENSOR_DEVICE_ATTR(temp1_crit_alarm, S_IRUGO, show_alarm, NULL, |
390 | STATUS1_LOC); | |
391 | ||
392 | static SENSOR_DEVICE_ATTR(temp2_input, S_IRUGO, show_input, NULL, 2); | |
393 | static SENSOR_DEVICE_ATTR(temp2_crit, S_IWUSR | S_IRUGO, show_limit, | |
394 | set_limit, 7); | |
a41a8927 | 395 | static SENSOR_DEVICE_ATTR(temp2_crit_hyst, S_IRUGO, show_crit_hyst, NULL, 7); |
fffd80cc AS |
396 | static SENSOR_DEVICE_ATTR(temp2_crit_alarm, S_IRUGO, show_alarm, NULL, |
397 | STATUS1_RTCRIT); | |
398 | static SENSOR_DEVICE_ATTR(temp2_type, S_IWUSR | S_IRUGO, show_type, | |
399 | set_type, 0); | |
400 | static SENSOR_DEVICE_ATTR(temp2_fault, S_IRUGO, show_alarm, NULL, | |
401 | STATUS1_DIODE_FAULT); | |
402 | ||
403 | static DEVICE_ATTR(update_interval, S_IWUSR | S_IRUGO, show_interval, | |
404 | set_interval); | |
405 | ||
7276d55e | 406 | static struct attribute *lm95245_attrs[] = { |
fffd80cc AS |
407 | &sensor_dev_attr_temp1_input.dev_attr.attr, |
408 | &sensor_dev_attr_temp1_crit.dev_attr.attr, | |
409 | &sensor_dev_attr_temp1_crit_hyst.dev_attr.attr, | |
410 | &sensor_dev_attr_temp1_crit_alarm.dev_attr.attr, | |
411 | &sensor_dev_attr_temp2_input.dev_attr.attr, | |
412 | &sensor_dev_attr_temp2_crit.dev_attr.attr, | |
413 | &sensor_dev_attr_temp2_crit_hyst.dev_attr.attr, | |
414 | &sensor_dev_attr_temp2_crit_alarm.dev_attr.attr, | |
415 | &sensor_dev_attr_temp2_type.dev_attr.attr, | |
416 | &sensor_dev_attr_temp2_fault.dev_attr.attr, | |
417 | &dev_attr_update_interval.attr, | |
418 | NULL | |
419 | }; | |
7276d55e | 420 | ATTRIBUTE_GROUPS(lm95245); |
fffd80cc AS |
421 | |
422 | /* Return 0 if detection is successful, -ENODEV otherwise */ | |
423 | static int lm95245_detect(struct i2c_client *new_client, | |
424 | struct i2c_board_info *info) | |
425 | { | |
426 | struct i2c_adapter *adapter = new_client->adapter; | |
162a8dfe GR |
427 | int address = new_client->addr; |
428 | const char *name; | |
429 | int rev, id; | |
fffd80cc AS |
430 | |
431 | if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) | |
432 | return -ENODEV; | |
433 | ||
162a8dfe GR |
434 | id = i2c_smbus_read_byte_data(new_client, LM95245_REG_R_MAN_ID); |
435 | if (id != MANUFACTURER_ID) | |
fffd80cc AS |
436 | return -ENODEV; |
437 | ||
162a8dfe GR |
438 | rev = i2c_smbus_read_byte_data(new_client, LM95245_REG_R_CHIP_ID); |
439 | switch (rev) { | |
440 | case LM95235_REVISION: | |
441 | if (address != 0x18 && address != 0x29 && address != 0x4c) | |
442 | return -ENODEV; | |
443 | name = "lm95235"; | |
444 | break; | |
445 | case LM95245_REVISION: | |
446 | name = "lm95245"; | |
447 | break; | |
448 | default: | |
449 | return -ENODEV; | |
450 | } | |
451 | ||
452 | strlcpy(info->type, name, I2C_NAME_SIZE); | |
fffd80cc AS |
453 | return 0; |
454 | } | |
455 | ||
7276d55e GR |
456 | static void lm95245_init_client(struct i2c_client *client, |
457 | struct lm95245_data *data) | |
fffd80cc | 458 | { |
fffd80cc AS |
459 | data->interval = lm95245_read_conversion_rate(client); |
460 | ||
461 | data->config1 = i2c_smbus_read_byte_data(client, | |
462 | LM95245_REG_RW_CONFIG1); | |
463 | data->config2 = i2c_smbus_read_byte_data(client, | |
464 | LM95245_REG_RW_CONFIG2); | |
465 | ||
466 | if (data->config1 & CFG_STOP) { | |
467 | /* Clear the standby bit */ | |
468 | data->config1 &= ~CFG_STOP; | |
469 | i2c_smbus_write_byte_data(client, LM95245_REG_RW_CONFIG1, | |
470 | data->config1); | |
471 | } | |
472 | } | |
473 | ||
7276d55e | 474 | static int lm95245_probe(struct i2c_client *client, |
fffd80cc AS |
475 | const struct i2c_device_id *id) |
476 | { | |
7276d55e | 477 | struct device *dev = &client->dev; |
fffd80cc | 478 | struct lm95245_data *data; |
7276d55e | 479 | struct device *hwmon_dev; |
fffd80cc | 480 | |
7276d55e | 481 | data = devm_kzalloc(dev, sizeof(struct lm95245_data), GFP_KERNEL); |
a8dd946c GR |
482 | if (!data) |
483 | return -ENOMEM; | |
fffd80cc | 484 | |
7276d55e | 485 | data->client = client; |
fffd80cc AS |
486 | mutex_init(&data->update_lock); |
487 | ||
488 | /* Initialize the LM95245 chip */ | |
7276d55e | 489 | lm95245_init_client(client, data); |
fffd80cc | 490 | |
7276d55e GR |
491 | hwmon_dev = devm_hwmon_device_register_with_groups(dev, client->name, |
492 | data, | |
493 | lm95245_groups); | |
494 | return PTR_ERR_OR_ZERO(hwmon_dev); | |
fffd80cc AS |
495 | } |
496 | ||
497 | /* Driver data (common to all clients) */ | |
498 | static const struct i2c_device_id lm95245_id[] = { | |
162a8dfe GR |
499 | { "lm95235", 0 }, |
500 | { "lm95245", 0 }, | |
fffd80cc AS |
501 | { } |
502 | }; | |
503 | MODULE_DEVICE_TABLE(i2c, lm95245_id); | |
504 | ||
505 | static struct i2c_driver lm95245_driver = { | |
506 | .class = I2C_CLASS_HWMON, | |
507 | .driver = { | |
162a8dfe | 508 | .name = "lm95245", |
fffd80cc AS |
509 | }, |
510 | .probe = lm95245_probe, | |
fffd80cc AS |
511 | .id_table = lm95245_id, |
512 | .detect = lm95245_detect, | |
513 | .address_list = normal_i2c, | |
514 | }; | |
515 | ||
f0967eea | 516 | module_i2c_driver(lm95245_driver); |
fffd80cc AS |
517 | |
518 | MODULE_AUTHOR("Alexander Stein <alexander.stein@systec-electronic.com>"); | |
162a8dfe | 519 | MODULE_DESCRIPTION("LM95235/LM95245 sensor driver"); |
fffd80cc | 520 | MODULE_LICENSE("GPL"); |