diff options
author | Ira W. Snyder <iws@ovro.caltech.edu> | 2010-05-27 13:58:45 -0400 |
---|---|---|
committer | Jean Delvare <khali@linux-fr.org> | 2010-05-27 13:58:45 -0400 |
commit | d2b847d489ee4e9921bc61f47c3d0e992692fc0f (patch) | |
tree | 07c583b26ab1e3a27a9b1ecbf84325e9a26ce57e /Documentation/hwmon | |
parent | 8c3c7a256f7ab142dfbcee2d8633dbce5a36fde7 (diff) |
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/hwmon')
-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 | |||
80 | given driver if the chip has the feature. | 80 | given driver if the chip has the feature. |
81 | 81 | ||
82 | 82 | ||
83 | ******** | 83 | ********************* |
84 | * Name * | 84 | * Global attributes * |
85 | ******** | 85 | ********************* |
86 | 86 | ||
87 | name The chip name. | 87 | name The chip name. |
88 | This should be a short, lowercase string, not containing | 88 | This should be a short, lowercase string, not containing |
@@ -91,6 +91,13 @@ name The chip name. | |||
91 | I2C devices get this attribute created automatically. | 91 | I2C devices get this attribute created automatically. |
92 | RO | 92 | RO |
93 | 93 | ||
94 | update_rate The rate at which the chip will update readings. | ||
95 | Unit: millisecond | ||
96 | RW | ||
97 | Some devices have a variable update rate. This attribute | ||
98 | can be used to change the update rate to the desired | ||
99 | frequency. | ||
100 | |||
94 | 101 | ||
95 | ************ | 102 | ************ |
96 | * Voltages * | 103 | * Voltages * |