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add77c64 | 1 | /* |
4d387df7 GR |
2 | * thmc50.c - Part of lm_sensors, Linux kernel modules for hardware |
3 | * monitoring | |
4 | * Copyright (C) 2007 Krzysztof Helt <krzysztof.h1@wp.pl> | |
5 | * Based on 2.4 driver by Frodo Looijaard <frodol@dds.nl> and | |
6 | * Philip Edelbrock <phil@netroedge.com> | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or modify | |
9 | * it under the terms of the GNU General Public License as published by | |
10 | * the Free Software Foundation; either version 2 of the License, or | |
11 | * (at your option) any later version. | |
12 | * | |
13 | * This program is distributed in the hope that it will be useful, | |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | * GNU General Public License for more details. | |
17 | * | |
18 | * You should have received a copy of the GNU General Public License | |
19 | * along with this program; if not, write to the Free Software | |
20 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
21 | */ | |
add77c64 KH |
22 | |
23 | #include <linux/module.h> | |
24 | #include <linux/init.h> | |
25 | #include <linux/slab.h> | |
26 | #include <linux/i2c.h> | |
27 | #include <linux/hwmon.h> | |
28 | #include <linux/hwmon-sysfs.h> | |
29 | #include <linux/err.h> | |
30 | #include <linux/mutex.h> | |
31 | ||
32 | MODULE_LICENSE("GPL"); | |
33 | ||
34 | /* Addresses to scan */ | |
25e9c86d | 35 | static const unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, I2C_CLIENT_END }; |
add77c64 KH |
36 | |
37 | /* Insmod parameters */ | |
e5e9f44c | 38 | enum chips { thmc50, adm1022 }; |
f95f0b4c JD |
39 | |
40 | static unsigned short adm1022_temp3[16]; | |
41 | static unsigned int adm1022_temp3_num; | |
42 | module_param_array(adm1022_temp3, ushort, &adm1022_temp3_num, 0); | |
43 | MODULE_PARM_DESC(adm1022_temp3, "List of adapter,address pairs " | |
add77c64 KH |
44 | "to enable 3rd temperature (ADM1022 only)"); |
45 | ||
46 | /* Many THMC50 constants specified below */ | |
47 | ||
48 | /* The THMC50 registers */ | |
49 | #define THMC50_REG_CONF 0x40 | |
50 | #define THMC50_REG_COMPANY_ID 0x3E | |
51 | #define THMC50_REG_DIE_CODE 0x3F | |
52 | #define THMC50_REG_ANALOG_OUT 0x19 | |
dcf3b5fb | 53 | /* |
bba891c2 KH |
54 | * The mirror status register cannot be used as |
55 | * reading it does not clear alarms. | |
dcf3b5fb | 56 | */ |
bba891c2 | 57 | #define THMC50_REG_INTR 0x41 |
add77c64 | 58 | |
5910a9b2 TK |
59 | static const u8 THMC50_REG_TEMP[] = { 0x27, 0x26, 0x20 }; |
60 | static const u8 THMC50_REG_TEMP_MIN[] = { 0x3A, 0x38, 0x2C }; | |
61 | static const u8 THMC50_REG_TEMP_MAX[] = { 0x39, 0x37, 0x2B }; | |
84f768c1 KH |
62 | static const u8 THMC50_REG_TEMP_CRITICAL[] = { 0x13, 0x14, 0x14 }; |
63 | static const u8 THMC50_REG_TEMP_DEFAULT[] = { 0x17, 0x18, 0x18 }; | |
add77c64 KH |
64 | |
65 | #define THMC50_REG_CONF_nFANOFF 0x20 | |
84f768c1 | 66 | #define THMC50_REG_CONF_PROGRAMMED 0x08 |
add77c64 KH |
67 | |
68 | /* Each client has this additional data */ | |
69 | struct thmc50_data { | |
1beeffe4 | 70 | struct device *hwmon_dev; |
add77c64 KH |
71 | |
72 | struct mutex update_lock; | |
73 | enum chips type; | |
74 | unsigned long last_updated; /* In jiffies */ | |
75 | char has_temp3; /* !=0 if it is ADM1022 in temp3 mode */ | |
76 | char valid; /* !=0 if following fields are valid */ | |
77 | ||
78 | /* Register values */ | |
79 | s8 temp_input[3]; | |
80 | s8 temp_max[3]; | |
81 | s8 temp_min[3]; | |
84f768c1 | 82 | s8 temp_critical[3]; |
add77c64 | 83 | u8 analog_out; |
dcf3b5fb | 84 | u8 alarms; |
add77c64 KH |
85 | }; |
86 | ||
310ec792 | 87 | static int thmc50_detect(struct i2c_client *client, |
ccf37488 JD |
88 | struct i2c_board_info *info); |
89 | static int thmc50_probe(struct i2c_client *client, | |
90 | const struct i2c_device_id *id); | |
91 | static int thmc50_remove(struct i2c_client *client); | |
add77c64 KH |
92 | static void thmc50_init_client(struct i2c_client *client); |
93 | static struct thmc50_data *thmc50_update_device(struct device *dev); | |
94 | ||
ccf37488 JD |
95 | static const struct i2c_device_id thmc50_id[] = { |
96 | { "adm1022", adm1022 }, | |
97 | { "thmc50", thmc50 }, | |
98 | { } | |
99 | }; | |
100 | MODULE_DEVICE_TABLE(i2c, thmc50_id); | |
101 | ||
add77c64 | 102 | static struct i2c_driver thmc50_driver = { |
ccf37488 | 103 | .class = I2C_CLASS_HWMON, |
add77c64 KH |
104 | .driver = { |
105 | .name = "thmc50", | |
106 | }, | |
ccf37488 JD |
107 | .probe = thmc50_probe, |
108 | .remove = thmc50_remove, | |
109 | .id_table = thmc50_id, | |
110 | .detect = thmc50_detect, | |
c3813d6a | 111 | .address_list = normal_i2c, |
add77c64 KH |
112 | }; |
113 | ||
114 | static ssize_t show_analog_out(struct device *dev, | |
115 | struct device_attribute *attr, char *buf) | |
116 | { | |
117 | struct thmc50_data *data = thmc50_update_device(dev); | |
118 | return sprintf(buf, "%d\n", data->analog_out); | |
119 | } | |
120 | ||
121 | static ssize_t set_analog_out(struct device *dev, | |
122 | struct device_attribute *attr, | |
123 | const char *buf, size_t count) | |
124 | { | |
125 | struct i2c_client *client = to_i2c_client(dev); | |
126 | struct thmc50_data *data = i2c_get_clientdata(client); | |
add77c64 | 127 | int config; |
4d387df7 GR |
128 | unsigned long tmp; |
129 | int err; | |
130 | ||
131 | err = kstrtoul(buf, 10, &tmp); | |
132 | if (err) | |
133 | return err; | |
add77c64 KH |
134 | |
135 | mutex_lock(&data->update_lock); | |
136 | data->analog_out = SENSORS_LIMIT(tmp, 0, 255); | |
137 | i2c_smbus_write_byte_data(client, THMC50_REG_ANALOG_OUT, | |
138 | data->analog_out); | |
139 | ||
140 | config = i2c_smbus_read_byte_data(client, THMC50_REG_CONF); | |
141 | if (data->analog_out == 0) | |
142 | config &= ~THMC50_REG_CONF_nFANOFF; | |
143 | else | |
144 | config |= THMC50_REG_CONF_nFANOFF; | |
145 | i2c_smbus_write_byte_data(client, THMC50_REG_CONF, config); | |
146 | ||
147 | mutex_unlock(&data->update_lock); | |
148 | return count; | |
149 | } | |
150 | ||
151 | /* There is only one PWM mode = DC */ | |
152 | static ssize_t show_pwm_mode(struct device *dev, struct device_attribute *attr, | |
153 | char *buf) | |
154 | { | |
155 | return sprintf(buf, "0\n"); | |
156 | } | |
157 | ||
158 | /* Temperatures */ | |
159 | static ssize_t show_temp(struct device *dev, struct device_attribute *attr, | |
160 | char *buf) | |
161 | { | |
162 | int nr = to_sensor_dev_attr(attr)->index; | |
163 | struct thmc50_data *data = thmc50_update_device(dev); | |
164 | return sprintf(buf, "%d\n", data->temp_input[nr] * 1000); | |
165 | } | |
166 | ||
167 | static ssize_t show_temp_min(struct device *dev, struct device_attribute *attr, | |
168 | char *buf) | |
169 | { | |
170 | int nr = to_sensor_dev_attr(attr)->index; | |
171 | struct thmc50_data *data = thmc50_update_device(dev); | |
172 | return sprintf(buf, "%d\n", data->temp_min[nr] * 1000); | |
173 | } | |
174 | ||
175 | static ssize_t set_temp_min(struct device *dev, struct device_attribute *attr, | |
176 | const char *buf, size_t count) | |
177 | { | |
178 | int nr = to_sensor_dev_attr(attr)->index; | |
179 | struct i2c_client *client = to_i2c_client(dev); | |
180 | struct thmc50_data *data = i2c_get_clientdata(client); | |
4d387df7 GR |
181 | long val; |
182 | int err; | |
183 | ||
184 | err = kstrtol(buf, 10, &val); | |
185 | if (err) | |
186 | return err; | |
add77c64 KH |
187 | |
188 | mutex_lock(&data->update_lock); | |
189 | data->temp_min[nr] = SENSORS_LIMIT(val / 1000, -128, 127); | |
190 | i2c_smbus_write_byte_data(client, THMC50_REG_TEMP_MIN[nr], | |
191 | data->temp_min[nr]); | |
192 | mutex_unlock(&data->update_lock); | |
193 | return count; | |
194 | } | |
195 | ||
196 | static ssize_t show_temp_max(struct device *dev, struct device_attribute *attr, | |
197 | char *buf) | |
198 | { | |
199 | int nr = to_sensor_dev_attr(attr)->index; | |
200 | struct thmc50_data *data = thmc50_update_device(dev); | |
201 | return sprintf(buf, "%d\n", data->temp_max[nr] * 1000); | |
202 | } | |
203 | ||
204 | static ssize_t set_temp_max(struct device *dev, struct device_attribute *attr, | |
205 | const char *buf, size_t count) | |
206 | { | |
207 | int nr = to_sensor_dev_attr(attr)->index; | |
208 | struct i2c_client *client = to_i2c_client(dev); | |
209 | struct thmc50_data *data = i2c_get_clientdata(client); | |
4d387df7 GR |
210 | long val; |
211 | int err; | |
212 | ||
213 | err = kstrtol(buf, 10, &val); | |
214 | if (err) | |
215 | return err; | |
add77c64 KH |
216 | |
217 | mutex_lock(&data->update_lock); | |
218 | data->temp_max[nr] = SENSORS_LIMIT(val / 1000, -128, 127); | |
219 | i2c_smbus_write_byte_data(client, THMC50_REG_TEMP_MAX[nr], | |
220 | data->temp_max[nr]); | |
221 | mutex_unlock(&data->update_lock); | |
222 | return count; | |
223 | } | |
224 | ||
84f768c1 KH |
225 | static ssize_t show_temp_critical(struct device *dev, |
226 | struct device_attribute *attr, | |
227 | char *buf) | |
228 | { | |
229 | int nr = to_sensor_dev_attr(attr)->index; | |
230 | struct thmc50_data *data = thmc50_update_device(dev); | |
231 | return sprintf(buf, "%d\n", data->temp_critical[nr] * 1000); | |
232 | } | |
233 | ||
dcf3b5fb KH |
234 | static ssize_t show_alarm(struct device *dev, struct device_attribute *attr, |
235 | char *buf) | |
236 | { | |
237 | int index = to_sensor_dev_attr(attr)->index; | |
238 | struct thmc50_data *data = thmc50_update_device(dev); | |
239 | ||
240 | return sprintf(buf, "%u\n", (data->alarms >> index) & 1); | |
241 | } | |
242 | ||
add77c64 KH |
243 | #define temp_reg(offset) \ |
244 | static SENSOR_DEVICE_ATTR(temp##offset##_input, S_IRUGO, show_temp, \ | |
245 | NULL, offset - 1); \ | |
246 | static SENSOR_DEVICE_ATTR(temp##offset##_min, S_IRUGO | S_IWUSR, \ | |
247 | show_temp_min, set_temp_min, offset - 1); \ | |
248 | static SENSOR_DEVICE_ATTR(temp##offset##_max, S_IRUGO | S_IWUSR, \ | |
84f768c1 KH |
249 | show_temp_max, set_temp_max, offset - 1); \ |
250 | static SENSOR_DEVICE_ATTR(temp##offset##_crit, S_IRUGO, \ | |
251 | show_temp_critical, NULL, offset - 1); | |
add77c64 KH |
252 | |
253 | temp_reg(1); | |
254 | temp_reg(2); | |
255 | temp_reg(3); | |
256 | ||
dcf3b5fb KH |
257 | static SENSOR_DEVICE_ATTR(temp1_alarm, S_IRUGO, show_alarm, NULL, 0); |
258 | static SENSOR_DEVICE_ATTR(temp2_alarm, S_IRUGO, show_alarm, NULL, 5); | |
259 | static SENSOR_DEVICE_ATTR(temp3_alarm, S_IRUGO, show_alarm, NULL, 1); | |
260 | static SENSOR_DEVICE_ATTR(temp2_fault, S_IRUGO, show_alarm, NULL, 7); | |
261 | static SENSOR_DEVICE_ATTR(temp3_fault, S_IRUGO, show_alarm, NULL, 2); | |
262 | ||
add77c64 KH |
263 | static SENSOR_DEVICE_ATTR(pwm1, S_IRUGO | S_IWUSR, show_analog_out, |
264 | set_analog_out, 0); | |
265 | static SENSOR_DEVICE_ATTR(pwm1_mode, S_IRUGO, show_pwm_mode, NULL, 0); | |
266 | ||
267 | static struct attribute *thmc50_attributes[] = { | |
268 | &sensor_dev_attr_temp1_max.dev_attr.attr, | |
269 | &sensor_dev_attr_temp1_min.dev_attr.attr, | |
270 | &sensor_dev_attr_temp1_input.dev_attr.attr, | |
84f768c1 | 271 | &sensor_dev_attr_temp1_crit.dev_attr.attr, |
dcf3b5fb | 272 | &sensor_dev_attr_temp1_alarm.dev_attr.attr, |
add77c64 KH |
273 | &sensor_dev_attr_temp2_max.dev_attr.attr, |
274 | &sensor_dev_attr_temp2_min.dev_attr.attr, | |
275 | &sensor_dev_attr_temp2_input.dev_attr.attr, | |
84f768c1 | 276 | &sensor_dev_attr_temp2_crit.dev_attr.attr, |
dcf3b5fb KH |
277 | &sensor_dev_attr_temp2_alarm.dev_attr.attr, |
278 | &sensor_dev_attr_temp2_fault.dev_attr.attr, | |
add77c64 KH |
279 | &sensor_dev_attr_pwm1.dev_attr.attr, |
280 | &sensor_dev_attr_pwm1_mode.dev_attr.attr, | |
281 | NULL | |
282 | }; | |
283 | ||
284 | static const struct attribute_group thmc50_group = { | |
285 | .attrs = thmc50_attributes, | |
286 | }; | |
287 | ||
288 | /* for ADM1022 3rd temperature mode */ | |
894c00cf | 289 | static struct attribute *temp3_attributes[] = { |
add77c64 KH |
290 | &sensor_dev_attr_temp3_max.dev_attr.attr, |
291 | &sensor_dev_attr_temp3_min.dev_attr.attr, | |
292 | &sensor_dev_attr_temp3_input.dev_attr.attr, | |
84f768c1 | 293 | &sensor_dev_attr_temp3_crit.dev_attr.attr, |
dcf3b5fb KH |
294 | &sensor_dev_attr_temp3_alarm.dev_attr.attr, |
295 | &sensor_dev_attr_temp3_fault.dev_attr.attr, | |
add77c64 KH |
296 | NULL |
297 | }; | |
298 | ||
894c00cf JD |
299 | static const struct attribute_group temp3_group = { |
300 | .attrs = temp3_attributes, | |
add77c64 KH |
301 | }; |
302 | ||
ccf37488 | 303 | /* Return 0 if detection is successful, -ENODEV otherwise */ |
310ec792 | 304 | static int thmc50_detect(struct i2c_client *client, |
ccf37488 | 305 | struct i2c_board_info *info) |
add77c64 KH |
306 | { |
307 | unsigned company; | |
308 | unsigned revision; | |
309 | unsigned config; | |
ccf37488 | 310 | struct i2c_adapter *adapter = client->adapter; |
cc28a610 | 311 | const char *type_name; |
add77c64 KH |
312 | |
313 | if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) { | |
314 | pr_debug("thmc50: detect failed, " | |
315 | "smbus byte data not supported!\n"); | |
ccf37488 | 316 | return -ENODEV; |
add77c64 KH |
317 | } |
318 | ||
add77c64 KH |
319 | pr_debug("thmc50: Probing for THMC50 at 0x%2X on bus %d\n", |
320 | client->addr, i2c_adapter_id(client->adapter)); | |
321 | ||
add77c64 KH |
322 | company = i2c_smbus_read_byte_data(client, THMC50_REG_COMPANY_ID); |
323 | revision = i2c_smbus_read_byte_data(client, THMC50_REG_DIE_CODE); | |
324 | config = i2c_smbus_read_byte_data(client, THMC50_REG_CONF); | |
52df6440 JD |
325 | if (revision < 0xc0 || (config & 0x10)) |
326 | return -ENODEV; | |
add77c64 | 327 | |
52df6440 | 328 | if (company == 0x41) { |
add77c64 KH |
329 | int id = i2c_adapter_id(client->adapter); |
330 | int i; | |
331 | ||
332 | type_name = "adm1022"; | |
add77c64 KH |
333 | for (i = 0; i + 1 < adm1022_temp3_num; i += 2) |
334 | if (adm1022_temp3[i] == id && | |
ccf37488 | 335 | adm1022_temp3[i + 1] == client->addr) { |
add77c64 | 336 | /* enable 2nd remote temp */ |
ccf37488 JD |
337 | config |= (1 << 7); |
338 | i2c_smbus_write_byte_data(client, | |
339 | THMC50_REG_CONF, | |
340 | config); | |
add77c64 KH |
341 | break; |
342 | } | |
52df6440 | 343 | } else if (company == 0x49) { |
cc28a610 | 344 | type_name = "thmc50"; |
52df6440 JD |
345 | } else { |
346 | pr_debug("thmc50: Detection of THMC50/ADM1022 failed\n"); | |
347 | return -ENODEV; | |
add77c64 | 348 | } |
52df6440 | 349 | |
cc28a610 JD |
350 | pr_debug("thmc50: Detected %s (version %x, revision %x)\n", |
351 | type_name, (revision >> 4) - 0xc, revision & 0xf); | |
add77c64 | 352 | |
ccf37488 | 353 | strlcpy(info->type, type_name, I2C_NAME_SIZE); |
add77c64 | 354 | |
ccf37488 JD |
355 | return 0; |
356 | } | |
357 | ||
358 | static int thmc50_probe(struct i2c_client *client, | |
359 | const struct i2c_device_id *id) | |
360 | { | |
361 | struct thmc50_data *data; | |
362 | int err; | |
363 | ||
364 | data = kzalloc(sizeof(struct thmc50_data), GFP_KERNEL); | |
365 | if (!data) { | |
366 | pr_debug("thmc50: detect failed, kzalloc failed!\n"); | |
367 | err = -ENOMEM; | |
368 | goto exit; | |
369 | } | |
370 | ||
371 | i2c_set_clientdata(client, data); | |
372 | data->type = id->driver_data; | |
373 | mutex_init(&data->update_lock); | |
add77c64 KH |
374 | |
375 | thmc50_init_client(client); | |
376 | ||
377 | /* Register sysfs hooks */ | |
4d387df7 GR |
378 | err = sysfs_create_group(&client->dev.kobj, &thmc50_group); |
379 | if (err) | |
ccf37488 | 380 | goto exit_free; |
add77c64 KH |
381 | |
382 | /* Register ADM1022 sysfs hooks */ | |
4d387df7 GR |
383 | if (data->has_temp3) { |
384 | err = sysfs_create_group(&client->dev.kobj, &temp3_group); | |
385 | if (err) | |
add77c64 | 386 | goto exit_remove_sysfs_thmc50; |
4d387df7 | 387 | } |
add77c64 KH |
388 | |
389 | /* Register a new directory entry with module sensors */ | |
1beeffe4 TJ |
390 | data->hwmon_dev = hwmon_device_register(&client->dev); |
391 | if (IS_ERR(data->hwmon_dev)) { | |
392 | err = PTR_ERR(data->hwmon_dev); | |
add77c64 KH |
393 | goto exit_remove_sysfs; |
394 | } | |
395 | ||
396 | return 0; | |
397 | ||
398 | exit_remove_sysfs: | |
894c00cf JD |
399 | if (data->has_temp3) |
400 | sysfs_remove_group(&client->dev.kobj, &temp3_group); | |
add77c64 KH |
401 | exit_remove_sysfs_thmc50: |
402 | sysfs_remove_group(&client->dev.kobj, &thmc50_group); | |
add77c64 KH |
403 | exit_free: |
404 | kfree(data); | |
405 | exit: | |
406 | return err; | |
407 | } | |
408 | ||
ccf37488 | 409 | static int thmc50_remove(struct i2c_client *client) |
add77c64 KH |
410 | { |
411 | struct thmc50_data *data = i2c_get_clientdata(client); | |
add77c64 | 412 | |
1beeffe4 | 413 | hwmon_device_unregister(data->hwmon_dev); |
add77c64 | 414 | sysfs_remove_group(&client->dev.kobj, &thmc50_group); |
894c00cf JD |
415 | if (data->has_temp3) |
416 | sysfs_remove_group(&client->dev.kobj, &temp3_group); | |
add77c64 | 417 | |
add77c64 KH |
418 | kfree(data); |
419 | ||
420 | return 0; | |
421 | } | |
422 | ||
423 | static void thmc50_init_client(struct i2c_client *client) | |
424 | { | |
425 | struct thmc50_data *data = i2c_get_clientdata(client); | |
426 | int config; | |
427 | ||
428 | data->analog_out = i2c_smbus_read_byte_data(client, | |
429 | THMC50_REG_ANALOG_OUT); | |
430 | /* set up to at least 1 */ | |
431 | if (data->analog_out == 0) { | |
432 | data->analog_out = 1; | |
433 | i2c_smbus_write_byte_data(client, THMC50_REG_ANALOG_OUT, | |
434 | data->analog_out); | |
435 | } | |
436 | config = i2c_smbus_read_byte_data(client, THMC50_REG_CONF); | |
437 | config |= 0x1; /* start the chip if it is in standby mode */ | |
ccf37488 JD |
438 | if (data->type == adm1022 && (config & (1 << 7))) |
439 | data->has_temp3 = 1; | |
add77c64 KH |
440 | i2c_smbus_write_byte_data(client, THMC50_REG_CONF, config); |
441 | } | |
442 | ||
443 | static struct thmc50_data *thmc50_update_device(struct device *dev) | |
444 | { | |
445 | struct i2c_client *client = to_i2c_client(dev); | |
446 | struct thmc50_data *data = i2c_get_clientdata(client); | |
447 | int timeout = HZ / 5 + (data->type == thmc50 ? HZ : 0); | |
448 | ||
449 | mutex_lock(&data->update_lock); | |
450 | ||
451 | if (time_after(jiffies, data->last_updated + timeout) | |
452 | || !data->valid) { | |
453 | ||
454 | int temps = data->has_temp3 ? 3 : 2; | |
455 | int i; | |
84f768c1 KH |
456 | int prog = i2c_smbus_read_byte_data(client, THMC50_REG_CONF); |
457 | ||
458 | prog &= THMC50_REG_CONF_PROGRAMMED; | |
459 | ||
add77c64 KH |
460 | for (i = 0; i < temps; i++) { |
461 | data->temp_input[i] = i2c_smbus_read_byte_data(client, | |
462 | THMC50_REG_TEMP[i]); | |
463 | data->temp_max[i] = i2c_smbus_read_byte_data(client, | |
464 | THMC50_REG_TEMP_MAX[i]); | |
465 | data->temp_min[i] = i2c_smbus_read_byte_data(client, | |
466 | THMC50_REG_TEMP_MIN[i]); | |
84f768c1 KH |
467 | data->temp_critical[i] = |
468 | i2c_smbus_read_byte_data(client, | |
469 | prog ? THMC50_REG_TEMP_CRITICAL[i] | |
470 | : THMC50_REG_TEMP_DEFAULT[i]); | |
add77c64 KH |
471 | } |
472 | data->analog_out = | |
473 | i2c_smbus_read_byte_data(client, THMC50_REG_ANALOG_OUT); | |
dcf3b5fb | 474 | data->alarms = |
bba891c2 | 475 | i2c_smbus_read_byte_data(client, THMC50_REG_INTR); |
add77c64 KH |
476 | data->last_updated = jiffies; |
477 | data->valid = 1; | |
478 | } | |
479 | ||
480 | mutex_unlock(&data->update_lock); | |
481 | ||
482 | return data; | |
483 | } | |
484 | ||
f0967eea | 485 | module_i2c_driver(thmc50_driver); |
add77c64 KH |
486 | |
487 | MODULE_AUTHOR("Krzysztof Helt <krzysztof.h1@wp.pl>"); | |
488 | MODULE_DESCRIPTION("THMC50 driver"); |