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authorLinus Torvalds <torvalds@linux-foundation.org>2008-10-09 12:23:54 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-10-09 12:23:54 -0700
commit07f405541892bd9bab4cca6c12499091ef4dd556 (patch)
tree54f85f9314716275e46882c47cfe75541371bc22 /Documentation
parent9283dfed51b223eddf68bdf91c5cddc4a9abbdbe (diff)
parent5e5cddbc3f2936c9fefbae64633c522e242c350d (diff)
Merge branch 'hwmon-for-linus' of git://jdelvare.pck.nerim.net/jdelvare-2.6
* 'hwmon-for-linus' of git://jdelvare.pck.nerim.net/jdelvare-2.6: hwmon: (abituguru3) Enable DMI probing feature on Abit AT8 32X hwmon: (abituguru3) Enable reading from AUX3 fan on Abit AT8 32X hwmon: (adt7473) Fix some bogosity in documentation file hwmon: Define sysfs interface for energy consumption register hwmon: (it87) Prevent power-off on Shuttle SN68PT eeepc-laptop: Fix hwmon interface
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/hwmon/adt747318
-rw-r--r--Documentation/hwmon/sysfs-interface12
2 files changed, 17 insertions, 13 deletions
diff --git a/Documentation/hwmon/adt7473 b/Documentation/hwmon/adt7473
index 2126de34c711..1cbf671822e2 100644
--- a/Documentation/hwmon/adt7473
+++ b/Documentation/hwmon/adt7473
@@ -14,14 +14,14 @@ Description
This driver implements support for the Analog Devices ADT7473 chip family.
-The LM85 uses the 2-wire interface compatible with the SMBUS 2.0
+The ADT7473 uses the 2-wire interface compatible with the SMBUS 2.0
specification. Using an analog to digital converter it measures three (3)
-temperatures and two (2) voltages. It has three (3) 16-bit counters for
+temperatures and two (2) voltages. It has four (4) 16-bit counters for
measuring fan speed. There are three (3) PWM outputs that can be used
to control fan speed.
A sophisticated control system for the PWM outputs is designed into the
-LM85 that allows fan speed to be adjusted automatically based on any of the
+ADT7473 that allows fan speed to be adjusted automatically based on any of the
three temperature sensors. Each PWM output is individually adjustable and
programmable. Once configured, the ADT7473 will adjust the PWM outputs in
response to the measured temperatures without further host intervention.
@@ -46,14 +46,6 @@ from the raw value to get the temperature value.
The Analog Devices datasheet is very detailed and describes a procedure for
determining an optimal configuration for the automatic PWM control.
-Hardware Configurations
------------------------
-
-The ADT7473 chips have an optional SMBALERT output that can be used to
-signal the chipset in case a limit is exceeded or the temperature sensors
-fail. Individual sensor interrupts can be masked so they won't trigger
-SMBALERT. The SMBALERT output if configured replaces the PWM2 function.
-
Configuration Notes
-------------------
@@ -61,8 +53,8 @@ Besides standard interfaces driver adds the following:
* PWM Control
-* pwm#_auto_point1_pwm and pwm#_auto_point1_temp and
-* pwm#_auto_point2_pwm and pwm#_auto_point2_temp -
+* pwm#_auto_point1_pwm and temp#_auto_point1_temp and
+* pwm#_auto_point2_pwm and temp#_auto_point2_temp -
point1: Set the pwm speed at a lower temperature bound.
point2: Set the pwm speed at a higher temperature bound.
diff --git a/Documentation/hwmon/sysfs-interface b/Documentation/hwmon/sysfs-interface
index 2d845730d4e0..6dbfd5efd991 100644
--- a/Documentation/hwmon/sysfs-interface
+++ b/Documentation/hwmon/sysfs-interface
@@ -329,6 +329,10 @@ power[1-*]_average Average power use
Unit: microWatt
RO
+power[1-*]_average_interval Power use averaging interval
+ Unit: milliseconds
+ RW
+
power[1-*]_average_highest Historical average maximum power use
Unit: microWatt
RO
@@ -354,6 +358,14 @@ power[1-*]_reset_history Reset input_highest, input_lowest,
WO
**********
+* Energy *
+**********
+
+energy[1-*]_input Cumulative energy use
+ Unit: microJoule
+ RO
+
+**********
* Alarms *
**********