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-rw-r--r--drivers/hwmon/lm85.c29
1 files changed, 23 insertions, 6 deletions
diff --git a/drivers/hwmon/lm85.c b/drivers/hwmon/lm85.c
index c323c2b89808..3a84dc863df0 100644
--- a/drivers/hwmon/lm85.c
+++ b/drivers/hwmon/lm85.c
@@ -5,6 +5,7 @@
5 Copyright (c) 2002, 2003 Philip Pokorny <ppokorny@penguincomputing.com> 5 Copyright (c) 2002, 2003 Philip Pokorny <ppokorny@penguincomputing.com>
6 Copyright (c) 2003 Margit Schubert-While <margitsw@t-online.de> 6 Copyright (c) 2003 Margit Schubert-While <margitsw@t-online.de>
7 Copyright (c) 2004 Justin Thiessen <jthiessen@penguincomputing.com> 7 Copyright (c) 2004 Justin Thiessen <jthiessen@penguincomputing.com>
8 Copyright (C) 2007, 2008 Jean Delvare <khali@linux-fr.org>
8 9
9 Chip details at <http://www.national.com/ds/LM/LM85.pdf> 10 Chip details at <http://www.national.com/ds/LM/LM85.pdf>
10 11
@@ -192,20 +193,27 @@ static int RANGE_TO_REG(int range)
192 193
193/* These are the PWM frequency encodings */ 194/* These are the PWM frequency encodings */
194static const int lm85_freq_map[8] = { /* 1 Hz */ 195static const int lm85_freq_map[8] = { /* 1 Hz */
195 10, 15, 23, 30, 38, 47, 62, 94 196 10, 15, 23, 30, 38, 47, 61, 94
197};
198static const int adm1027_freq_map[8] = { /* 1 Hz */
199 11, 15, 22, 29, 35, 44, 59, 88
196}; 200};
197 201
198static int FREQ_TO_REG(int freq) 202static int FREQ_TO_REG(const int *map, int freq)
199{ 203{
200 int i; 204 int i;
201 205
202 /* Find the closest match */ 206 /* Find the closest match */
203 for (i = 0; i < 7; ++i) 207 for (i = 0; i < 7; ++i)
204 if (freq <= (lm85_freq_map[i] + lm85_freq_map[i + 1]) / 2) 208 if (freq <= (map[i] + map[i + 1]) / 2)
205 break; 209 break;
206 return i; 210 return i;
207} 211}
208#define FREQ_FROM_REG(val) lm85_freq_map[(val) & 0x07] 212
213static int FREQ_FROM_REG(const int *map, u8 reg)
214{
215 return map[reg & 0x07];
216}
209 217
210/* Since we can't use strings, I'm abusing these numbers 218/* Since we can't use strings, I'm abusing these numbers
211 * to stand in for the following meanings: 219 * to stand in for the following meanings:
@@ -283,6 +291,7 @@ struct lm85_autofan {
283struct lm85_data { 291struct lm85_data {
284 struct i2c_client client; 292 struct i2c_client client;
285 struct device *hwmon_dev; 293 struct device *hwmon_dev;
294 const int *freq_map;
286 enum chips type; 295 enum chips type;
287 296
288 struct mutex update_lock; 297 struct mutex update_lock;
@@ -532,7 +541,8 @@ static ssize_t show_pwm_freq(struct device *dev,
532{ 541{
533 int nr = to_sensor_dev_attr(attr)->index; 542 int nr = to_sensor_dev_attr(attr)->index;
534 struct lm85_data *data = lm85_update_device(dev); 543 struct lm85_data *data = lm85_update_device(dev);
535 return sprintf(buf, "%d\n", FREQ_FROM_REG(data->pwm_freq[nr])); 544 return sprintf(buf, "%d\n", FREQ_FROM_REG(data->freq_map,
545 data->pwm_freq[nr]));
536} 546}
537 547
538static ssize_t set_pwm_freq(struct device *dev, 548static ssize_t set_pwm_freq(struct device *dev,
@@ -544,7 +554,7 @@ static ssize_t set_pwm_freq(struct device *dev,
544 long val = simple_strtol(buf, NULL, 10); 554 long val = simple_strtol(buf, NULL, 10);
545 555
546 mutex_lock(&data->update_lock); 556 mutex_lock(&data->update_lock);
547 data->pwm_freq[nr] = FREQ_TO_REG(val); 557 data->pwm_freq[nr] = FREQ_TO_REG(data->freq_map, val);
548 lm85_write_value(client, LM85_REG_AFAN_RANGE(nr), 558 lm85_write_value(client, LM85_REG_AFAN_RANGE(nr),
549 (data->zone[nr].range << 4) 559 (data->zone[nr].range << 4)
550 | data->pwm_freq[nr]); 560 | data->pwm_freq[nr]);
@@ -1184,24 +1194,31 @@ static int lm85_detect(struct i2c_adapter *adapter, int address,
1184 switch (kind) { 1194 switch (kind) {
1185 case lm85b: 1195 case lm85b:
1186 type_name = "lm85b"; 1196 type_name = "lm85b";
1197 data->freq_map = lm85_freq_map;
1187 break; 1198 break;
1188 case lm85c: 1199 case lm85c:
1189 type_name = "lm85c"; 1200 type_name = "lm85c";
1201 data->freq_map = lm85_freq_map;
1190 break; 1202 break;
1191 case adm1027: 1203 case adm1027:
1192 type_name = "adm1027"; 1204 type_name = "adm1027";
1205 data->freq_map = adm1027_freq_map;
1193 break; 1206 break;
1194 case adt7463: 1207 case adt7463:
1195 type_name = "adt7463"; 1208 type_name = "adt7463";
1209 data->freq_map = adm1027_freq_map;
1196 break; 1210 break;
1197 case emc6d100: 1211 case emc6d100:
1198 type_name = "emc6d100"; 1212 type_name = "emc6d100";
1213 data->freq_map = adm1027_freq_map;
1199 break; 1214 break;
1200 case emc6d102: 1215 case emc6d102:
1201 type_name = "emc6d102"; 1216 type_name = "emc6d102";
1217 data->freq_map = adm1027_freq_map;
1202 break; 1218 break;
1203 default: 1219 default:
1204 type_name = "lm85"; 1220 type_name = "lm85";
1221 data->freq_map = lm85_freq_map;
1205 } 1222 }
1206 strlcpy(client->name, type_name, I2C_NAME_SIZE); 1223 strlcpy(client->name, type_name, I2C_NAME_SIZE);
1207 1224