hwmon: Define a standard interface for chassis intrusion detection
Define a standard interface for the chassis intrusion detection feature
some hardware monitoring chips have. Some drivers have custom sysfs
entries for it, but a standard interface would allow integration with
user-space (namely libsensors.)
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Acked-by: Hans de Goede <j.w.r.degoede@hhs.nl>
Acked-by: Matt Roberds <mattroberds@cox.net>
diff --git a/Documentation/hwmon/sysfs-interface b/Documentation/hwmon/sysfs-interface
index 6dbfd5e..2f10ce6 100644
--- a/Documentation/hwmon/sysfs-interface
+++ b/Documentation/hwmon/sysfs-interface
@@ -365,6 +365,7 @@
Unit: microJoule
RO
+
**********
* Alarms *
**********
@@ -453,6 +454,27 @@
RW
+***********************
+* Intrusion detection *
+***********************
+
+intrusion[0-*]_alarm
+ Chassis intrusion detection
+ 0: OK
+ 1: intrusion detected
+ RW
+ Contrary to regular alarm flags which clear themselves
+ automatically when read, this one sticks until cleared by
+ the user. This is done by writing 0 to the file. Writing
+ other values is unsupported.
+
+intrusion[0-*]_beep
+ Chassis intrusion beep
+ 0: disable
+ 1: enable
+ RW
+
+
sysfs attribute writes interpretation
-------------------------------------