hwmon: Document the sensor enable attribute

Document new ABI attributes:
	in[0-*]_enable
	fan[1-*]_enable
	temp[1-*]_enable
	curr[1-*]_enable
	power[1-*]_enable
	energy[1-*]_enable
	humidity[1-*]_enable

Signed-off-by: Shilpasri G Bhat <shilpa.bhat@linux.vnet.ibm.com>
[groeck: Updated commit text, removed unnecessary details from
 ABI description]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>

diff --git a/Documentation/hwmon/sysfs-interface b/Documentation/hwmon/sysfs-interface
index fc337c3..2b9e100 100644 (file)
--- a/Documentation/hwmon/sysfs-interface
+++ b/Documentation/hwmon/sysfs-interface
@@ -171,6 +171,13 @@ in[0-*]_label      Suggested voltage channel label.
                user-space.
                RO
 
+in[0-*]_enable
+               Enable or disable the sensors.
+               When disabled the sensor read will return -ENODATA.
+               1: Enable
+               0: Disable
+               RW
+
 cpu[0-*]_vid   CPU core reference voltage.
                Unit: millivolt
                RO
@@ -236,6 +243,13 @@ fan[1-*]_label     Suggested fan channel label.
                In all other cases, the label is provided by user-space.
                RO
 
+fan[1-*]_enable
+               Enable or disable the sensors.
+               When disabled the sensor read will return -ENODATA.
+               1: Enable
+               0: Disable
+               RW
+
 Also see the Alarms section for status flags associated with fans.
 
 
@@ -409,6 +423,13 @@ temp_reset_history
                Reset temp_lowest and temp_highest for all sensors
                WO
 
+temp[1-*]_enable
+               Enable or disable the sensors.
+               When disabled the sensor read will return -ENODATA.
+               1: Enable
+               0: Disable
+               RW
+
 Some chips measure temperature using external thermistors and an ADC, and
 report the temperature measurement as a voltage. Converting this voltage
 back to a temperature (or the other way around for limits) requires
@@ -468,6 +489,13 @@ curr_reset_history
                Reset currX_lowest and currX_highest for all sensors
                WO
 
+curr[1-*]_enable
+               Enable or disable the sensors.
+               When disabled the sensor read will return -ENODATA.
+               1: Enable
+               0: Disable
+               RW
+
 Also see the Alarms section for status flags associated with currents.
 
 *********
@@ -566,6 +594,13 @@ power[1-*]_crit                    Critical maximum power.
                                Unit: microWatt
                                RW
 
+power[1-*]_enable              Enable or disable the sensors.
+                               When disabled the sensor read will return
+                               -ENODATA.
+                               1: Enable
+                               0: Disable
+                               RW
+
 Also see the Alarms section for status flags associated with power readings.
 
 **********
@@ -576,6 +611,12 @@ energy[1-*]_input          Cumulative energy use
                                Unit: microJoule
                                RO
 
+energy[1-*]_enable             Enable or disable the sensors.
+                               When disabled the sensor read will return
+                               -ENODATA.
+                               1: Enable
+                               0: Disable
+                               RW
 
 ************
 * Humidity *
@@ -586,6 +627,13 @@ humidity[1-*]_input                Humidity
                                RO
 
 
+humidity[1-*]_enable           Enable or disable the sensors
+                               When disabled the sensor read will return
+                               -ENODATA.
+                               1: Enable
+                               0: Disable
+                               RW
+
 **********
 * Alarms *
 **********