From d2b847d489ee4e9921bc61f47c3d0e992692fc0f Mon Sep 17 00:00:00 2001
From: "Ira W. Snyder" <iws@ovro.caltech.edu>
Date: Thu, 27 May 2010 19:58:45 +0200
Subject: [PATCH] hwmon: Add description of the update_rate sysfs attribute

The update_rate attribute can be used by drivers to let userspace choose
the update rate of the chip, if it is configurable.

Signed-off-by: Ira W. Snyder <iws@ovro.caltech.edu>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
---
 Documentation/hwmon/sysfs-interface | 13 ++++++++++---
 1 file changed, 10 insertions(+), 3 deletions(-)

diff --git a/Documentation/hwmon/sysfs-interface b/Documentation/hwmon/sysfs-interface
index 3de6b0bcb1474..d4e2917c6f18b 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 *
-- 
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