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| author | Chris Verges <kg4ysn@gmail.com> | 2013-01-05 10:41:20 +0100 |
|---|---|---|
| committer | Guenter Roeck <linux@roeck-us.net> | 2013-02-06 18:57:58 +0100 |
| commit | 2bf9233a108cea32edbb5a65afa8e609fa146577 (patch) | |
| tree | 7c7f3550fd520786c63d63b1c65f5b5893cd95a0 /Documentation/hwmon/lm73 | |
| parent | hwmon: (lm73) Add 'update_interval' attribute (diff) | |
| download | linux-2bf9233a108cea32edbb5a65afa8e609fa146577.tar.xz linux-2bf9233a108cea32edbb5a65afa8e609fa146577.zip | |
hwmon: (lm73) Add support for max/min alarms
Add support for temp1_min_alarm and temp1_max_alarm
Signed-off-by: Chris Verges <kg4ysn@gmail.com>
[linux@roeck-us.net: cleanup; dropped platform data and interrupt support]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Diffstat (limited to 'Documentation/hwmon/lm73')
| -rw-r--r-- | Documentation/hwmon/lm73 | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/Documentation/hwmon/lm73 b/Documentation/hwmon/lm73 index 782b3e1055ca..8af059dcb642 100644 --- a/Documentation/hwmon/lm73 +++ b/Documentation/hwmon/lm73 @@ -77,3 +77,14 @@ via the following function: where 'x' is the output from 'update_interval' and 'g(x)' is the resolution in degrees C per LSB. + +Alarm Support +------------- + +The LM73 features a simple over-temperature alarm mechanism. This +feature is exposed via the sysfs attributes. + +The attributes 'temp1_max_alarm' and 'temp1_min_alarm' are flags +provided by the LM73 that indicate whether the measured temperature has +passed the 'temp1_max' and 'temp1_min' thresholds, respectively. These +values _must_ be read to clear the registers on the LM73. |