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| author | Ira W. Snyder <iws@ovro.caltech.edu> | 2010-05-27 19:58:45 +0200 |
|---|---|---|
| committer | Jean Delvare <khali@linux-fr.org> | 2010-05-27 19:58:45 +0200 |
| commit | d2b847d489ee4e9921bc61f47c3d0e992692fc0f (patch) | |
| tree | 07c583b26ab1e3a27a9b1ecbf84325e9a26ce57e /Documentation | |
| parent | 8c3c7a256f7ab142dfbcee2d8633dbce5a36fde7 (diff) | |
| download | lwn-d2b847d489ee4e9921bc61f47c3d0e992692fc0f.tar.gz lwn-d2b847d489ee4e9921bc61f47c3d0e992692fc0f.zip | |
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>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/hwmon/sysfs-interface | 13 |
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 * |