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authorJean Delvare <khali@linux-fr.org>2010-03-06 00:17:17 +0300
committerJean Delvare <khali@linux-fr.org>2010-03-06 00:17:17 +0300
commitd9b327c310030fa80abbbc9eaaca9f1a6228dbf3 (patch)
tree43e98a7e1080d9fb1d0586796c4f272dd5b2b530 /Documentation/hwmon/it87
parent6a8d7acfbef8ac6bf34421eae980f903cbe36874 (diff)
downloadlinux-d9b327c310030fa80abbbc9eaaca9f1a6228dbf3.tar.xz
hwmon: (it87) Add support for beep on alarm
The IT87xxF chips support beeping on alarm, if properly wired and configured. There is one control bit for each input type (temperature, fan, voltage.) Let the user see and change them. Signed-off-by: Jean Delvare <khali@linux-fr.org>
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diff --git a/Documentation/hwmon/it87 b/Documentation/hwmon/it87
index f9ba96c0ac4a..23b773fa2675 100644
--- a/Documentation/hwmon/it87
+++ b/Documentation/hwmon/it87
@@ -136,6 +136,10 @@ registers are read whenever any data is read (unless it is less than 1.5
seconds since the last update). This means that you can easily miss
once-only alarms.
+Out-of-limit readings can also result in beeping, if the chip is properly
+wired and configured. Beeping can be enabled or disabled per sensor type
+(temperatures, voltages and fans.)
+
The IT87xx only updates its values each 1.5 seconds; reading it more often
will do no harm, but will return 'old' values.