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hwmon: Add description of the update_rate sysfs attribute

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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>
This commit is contained in:
Ira W. Snyder 2010-05-27 19:58:45 +02:00 committed by Jean Delvare
parent 8c3c7a256f
commit d2b847d489
1 changed files with 10 additions and 3 deletions
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13
Documentation/hwmon/sysfs-interface
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@ -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 *