linux-kernel - [PATCH 4/4] ABI: sysfs-class-hwmon: document emergency/max/min temperature alarms

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Date:   Fri, 17 Nov 2023 07:40:37 +0100
From:   Javier Carrasco <javier.carrasco.cruz@...il.com>
To:     Jean Delvare <jdelvare@...e.com>,
        Guenter Roeck <linux@...ck-us.net>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
Cc:     linux-hwmon@...r.kernel.org, linux-kernel@...r.kernel.org,
        Javier Carrasco <javier.carrasco.cruz@...il.com>
Subject: [PATCH 4/4] ABI: sysfs-class-hwmon: document emergency/max/min
 temperature alarms

These attributes are widely used in the hwmon subsystem, but they still
must be documented.

Add tempY_emergency_alarm, tempY_max_alarm and tempY_min_alarm to the
ABI documentation according to their current usage and access rights in
the hwmon subsystem.

Signed-off-by: Javier Carrasco <javier.carrasco.cruz@...il.com>
---
 Documentation/ABI/testing/sysfs-class-hwmon | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)

diff --git a/Documentation/ABI/testing/sysfs-class-hwmon b/Documentation/ABI/testing/sysfs-class-hwmon
index 3d5e6142ef0c..3dac923c9b0e 100644
--- a/Documentation/ABI/testing/sysfs-class-hwmon
+++ b/Documentation/ABI/testing/sysfs-class-hwmon
@@ -381,6 +381,15 @@ Description:
 
 		RW
 
+What:		/sys/class/hwmon/hwmonX/tempY_max_alarm
+Description:
+		Maximum temperature alarm flag.
+
+		- 0: OK
+		- 1: temperature has reached tempY_max
+
+		RO
+
 What:		/sys/class/hwmon/hwmonX/tempY_min
 Description:
 		Temperature min value.
@@ -389,6 +398,15 @@ Description:
 
 		RW
 
+What:		/sys/class/hwmon/hwmonX/tempY_min_alarm
+Description:
+		Minimum temperature alarm flag.
+
+		- 0: OK
+		- 1: temperature has reached tempY_min
+
+		RO
+
 What:		/sys/class/hwmon/hwmonX/tempY_max_hyst
 Description:
 		Temperature hysteresis value for max limit.
@@ -457,6 +475,15 @@ Description:
 
 		RW
 
+What:		/sys/class/hwmon/hwmonX/tempY_emergency_alarm
+Description:
+		Emergency high temperature alarm flag.
+
+		- 0: OK
+		- 1: temperature has reached tempY_emergency
+
+		RO
+
 What:		/sys/class/hwmon/hwmonX/tempY_emergency_hyst
 Description:
 		Temperature hysteresis value for emergency limit.

-- 
2.39.2