diff options
Diffstat (limited to 'Documentation/hwmon/lm85')
-rw-r--r-- | Documentation/hwmon/lm85 | 11 |
1 files changed, 4 insertions, 7 deletions
diff --git a/Documentation/hwmon/lm85 b/Documentation/hwmon/lm85 index 9549237530cf..6d41db7f17f8 100644 --- a/Documentation/hwmon/lm85 +++ b/Documentation/hwmon/lm85 | |||
@@ -96,11 +96,6 @@ initial testing of the ADM1027 it was 1.00 degC steps. Analog Devices has | |||
96 | confirmed this "bug". The ADT7463 is reported to work as described in the | 96 | confirmed this "bug". The ADT7463 is reported to work as described in the |
97 | documentation. The current lm85 driver does not show the offset register. | 97 | documentation. The current lm85 driver does not show the offset register. |
98 | 98 | ||
99 | The ADT7463 has a THERM asserted counter. This counter has a 22.76ms | ||
100 | resolution and a range of 5.8 seconds. The driver implements a 32-bit | ||
101 | accumulator of the counter value to extend the range to over a year. The | ||
102 | counter will stay at it's max value until read. | ||
103 | |||
104 | See the vendor datasheets for more information. There is application note | 99 | See the vendor datasheets for more information. There is application note |
105 | from National (AN-1260) with some additional information about the LM85. | 100 | from National (AN-1260) with some additional information about the LM85. |
106 | The Analog Devices datasheet is very detailed and describes a procedure for | 101 | The Analog Devices datasheet is very detailed and describes a procedure for |
@@ -206,13 +201,15 @@ Configuration choices: | |||
206 | 201 | ||
207 | The National LM85's have two vendor specific configuration | 202 | The National LM85's have two vendor specific configuration |
208 | features. Tach. mode and Spinup Control. For more details on these, | 203 | features. Tach. mode and Spinup Control. For more details on these, |
209 | see the LM85 datasheet or Application Note AN-1260. | 204 | see the LM85 datasheet or Application Note AN-1260. These features |
205 | are not currently supported by the lm85 driver. | ||
210 | 206 | ||
211 | The Analog Devices ADM1027 has several vendor specific enhancements. | 207 | The Analog Devices ADM1027 has several vendor specific enhancements. |
212 | The number of pulses-per-rev of the fans can be set, Tach monitoring | 208 | The number of pulses-per-rev of the fans can be set, Tach monitoring |
213 | can be optimized for PWM operation, and an offset can be applied to | 209 | can be optimized for PWM operation, and an offset can be applied to |
214 | the temperatures to compensate for systemic errors in the | 210 | the temperatures to compensate for systemic errors in the |
215 | measurements. | 211 | measurements. These features are not currently supported by the lm85 |
212 | driver. | ||
216 | 213 | ||
217 | In addition to the ADM1027 features, the ADT7463 also has Tmin control | 214 | In addition to the ADM1027 features, the ADT7463 also has Tmin control |
218 | and THERM asserted counts. Automatic Tmin control acts to adjust the | 215 | and THERM asserted counts. Automatic Tmin control acts to adjust the |