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-rw-r--r--Documentation/hwmon/sysfs-interface13
1 files changed, 10 insertions, 3 deletions
diff --git a/Documentation/hwmon/sysfs-interface b/Documentation/hwmon/sysfs-interface
index 3de6b0bcb147..d4e2917c6f18 100644
--- a/Documentation/hwmon/sysfs-interface
+++ b/Documentation/hwmon/sysfs-interface
@@ -80,9 +80,9 @@ All entries (except name) are optional, and should only be created in a
given driver if the chip has the feature.
-********
-* Name *
-********
+*********************
+* Global attributes *
+*********************
name The chip name.
This should be a short, lowercase string, not containing
@@ -91,6 +91,13 @@ name The chip name.
I2C devices get this attribute created automatically.
RO
+update_rate The rate at which the chip will update readings.
+ Unit: millisecond
+ RW
+ Some devices have a variable update rate. This attribute
+ can be used to change the update rate to the desired
+ frequency.
+
************
* Voltages *