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-rw-r--r--Documentation/hwmon/lm7311
1 files changed, 11 insertions, 0 deletions
diff --git a/Documentation/hwmon/lm73 b/Documentation/hwmon/lm73
index 782b3e1055c..8af059dcb64 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.