Signed-off-by: Shilpasri G Bhat <shilpa.b...@linux.vnet.ibm.com>
---
 Documentation/hwmon/ibmpowernv      | 35 +++++++++++++++-
 Documentation/hwmon/sysfs-interface | 82 +++++++++++++++++++++++++++++++++++++
 2 files changed, 115 insertions(+), 2 deletions(-)

diff --git a/Documentation/hwmon/ibmpowernv b/Documentation/hwmon/ibmpowernv
index 8826ba2..77ddba7 100644
--- a/Documentation/hwmon/ibmpowernv
+++ b/Documentation/hwmon/ibmpowernv
@@ -33,9 +33,40 @@ fanX_input           Measured RPM value.
 fanX_min               Threshold RPM for alert generation.
 fanX_fault             0: No fail condition
                        1: Failing fan
+
 tempX_input            Measured ambient temperature.
 tempX_max              Threshold ambient temperature for alert generation.
-inX_input              Measured power supply voltage
+tempX_highest          Historical maximum temperature
+tempX_lowest           Historical minimum temperature
+temp1_enable           Enable/disable all temperature sensors
+                       1: Enable
+                       0: Disable
+temp[2-N]_enable       State of the sensor (enabled/disabled)
+
+inX_input              Measured power supply voltage (millivolt)
 inX_fault              0: No fail condition.
                        1: Failing power supply.
-power1_input           System power consumption (microWatt)
+inX_highest            Historical maximum voltage
+inX_lowest             Historical minimum voltage
+in1_enable             Enable/disable all voltage sensors
+                       1: Enable
+                       0: Disable
+in[2-N]_enable         State of the sensor (enabled/disabled)
+
+powerX_input           Power consumption (microWatt)
+powerX_input_highest   Historical maximum power
+powerX_input_lowest    Historical minimum power
+power1_enable          Enable/disable all power sensors
+                       1: Enable
+                       0: Disable
+power[2-N]_enable      State of the sensor (enabled/disabled)
+
+currX_input            Measured current (milliampere)
+currX_highest          Historical maximum current
+currX_lowest           Historical minimum current
+curr1_enable           Enable/disable all current sensors
+                       1: Enable
+                       0: Disable
+curr[2-N]_enable       State of the sensor (enabled/disabled)
+
+energyX_input          Cumulative energy (microJoule)
diff --git a/Documentation/hwmon/sysfs-interface 
b/Documentation/hwmon/sysfs-interface
index fc337c3..d81109c 100644
--- a/Documentation/hwmon/sysfs-interface
+++ b/Documentation/hwmon/sysfs-interface
@@ -171,6 +171,17 @@ in[0-*]_label      Suggested voltage channel label.
                user-space.
                RO
 
+in[0-*]_enable
+               Enable or disable the sensor.
+               When disabled the sensor read will return -ENODATA. For chips
+               which do not have the capability to disable/enable single sensor
+               but have support for sensor-group disable/enable, will only have
+               the first attribute with write permission. In such cases write
+               to the first attribute will affect all the sensors of this type.
+               1: Enable
+               0: Disable
+               RW/RO
+
 cpu[0-*]_vid   CPU core reference voltage.
                Unit: millivolt
                RO
@@ -236,6 +247,17 @@ 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 sensor.
+               When disabled the sensor read will return -ENODATA. For chips
+               which do not have the capability to disable/enable single sensor
+               but have support for sensor-group disable/enable, will only have
+               the first attribute with write permission. In such cases write
+               to the first attribute will affect all the sensors of this type.
+               1: Enable
+               0: Disable
+               RW/RO
+
 Also see the Alarms section for status flags associated with fans.
 
 
@@ -409,6 +431,17 @@ temp_reset_history
                Reset temp_lowest and temp_highest for all sensors
                WO
 
+temp[1-*]_enable
+               Enable or disable the sensor.
+               When disabled the sensor read will return -ENODATA. For chips
+               which do not have the capability to disable/enable single sensor
+               but have support for sensor-group disable/enable, will only have
+               the first attribute with write permission. In such cases write
+               to the first attribute will affect all the sensors of this type.
+               1: Enable
+               0: Disable
+               RW/RO
+
 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 +501,17 @@ curr_reset_history
                Reset currX_lowest and currX_highest for all sensors
                WO
 
+curr[1-*]_enable
+               Enable or disable the sensor.
+               When disabled the sensor read will return -ENODATA. For chips
+               which do not have the capability to disable/enable single sensor
+               but have support for sensor-group disable/enable, will only have
+               the first attribute with write permission. In such cases write
+               to the first attribute will affect all the sensors of this type.
+               1: Enable
+               0: Disable
+               RW/RO
+
 Also see the Alarms section for status flags associated with currents.
 
 *********
@@ -566,6 +610,19 @@ power[1-*]_crit                    Critical maximum power.
                                Unit: microWatt
                                RW
 
+power[1-*]_enable              Enable or disable the sensor.
+                               When disabled the sensor read will return
+                               -ENODATA. For chips which do not have the
+                               capability to disable/enable single sensor but
+                               have support for sensor-group disable/enable,
+                               will only have the first attribute with write
+                               permission. In such cases write to the first
+                               attribute will affect all the sensors of this
+                               type.
+                               1: Enable
+                               0: Disable
+                               RW/RO
+
 Also see the Alarms section for status flags associated with power readings.
 
 **********
@@ -576,6 +633,18 @@ energy[1-*]_input          Cumulative energy use
                                Unit: microJoule
                                RO
 
+energy[1-*]_enable             Enable or disable the sensor.
+                               When disabled the sensor read will return
+                               -ENODATA. For chips which do not have the
+                               capability to disable/enable single sensor but
+                               have support for sensor-group disable/enable,
+                               will only have the first attribute with write
+                               permission. In such cases write to the first
+                               attribute will affect all the sensors of this
+                               type.
+                               1: Enable
+                               0: Disable
+                               RW/RO
 
 ************
 * Humidity *
@@ -586,6 +655,19 @@ humidity[1-*]_input                Humidity
                                RO
 
 
+humidity[1-*]_enable           Enable or disable the sensor.
+                               When disabled the sensor read will return
+                               -ENODATA. For chips which do not have the
+                               capability to disable/enable single sensor but
+                               have support for sensor-group disable/enable,
+                               will only have the first attribute with write
+                               permission. In such cases write to the first
+                               attribute will affect all the sensors of this
+                               type.
+                               1: Enable
+                               0: Disable
+                               RW/RO
+
 **********
 * Alarms *
 **********
-- 
1.8.3.1

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