ABI: hwmon: Document "label" sysfs attribute

Add the "label" sysfs attribute, which can contain a descriptive label
that allows to uniquely identify a device within the system.

Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Link: https://lore.kernel.org/r/20220110182256.30763-2-paul@crapouillou.net
Signed-off-by: Guenter Roeck <linux@roeck-us.net>

diff --git a/Documentation/ABI/testing/sysfs-class-hwmon b/Documentation/ABI/testing/sysfs-class-hwmon
index 1f20687..653d4c7 100644 (file)
--- a/Documentation/ABI/testing/sysfs-class-hwmon
+++ b/Documentation/ABI/testing/sysfs-class-hwmon
@@ -9,6 +9,14 @@ Description:
 
                RO
 
+What:          /sys/class/hwmon/hwmonX/label
+Description:
+               A descriptive label that allows to uniquely identify a
+               device within the system.
+               The contents of the label are free-form.
+
+               RO
+
 What:          /sys/class/hwmon/hwmonX/update_interval
 Description:
                The interval at which the chip will update readings.

diff --git a/Documentation/hwmon/sysfs-interface.rst b/Documentation/hwmon/sysfs-interface.rst
index 85652a6..209626f 100644 (file)
--- a/Documentation/hwmon/sysfs-interface.rst
+++ b/Documentation/hwmon/sysfs-interface.rst
@@ -99,6 +99,10 @@ Global attributes
 `name`
                The chip name.
 
+`label`
+               A descriptive label that allows to uniquely identify a device
+               within the system.
+
 `update_interval`
                The interval at which the chip will update readings.