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author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-03-06 11:33:09 -0800 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-03-06 11:33:09 -0800 |
commit | dff6d1c5ef9116a4478908001d72ee67127ecf01 (patch) | |
tree | 43c6e7ff8e8059f8fd733efd45b51f84b510d305 /Documentation/hwmon/lm90 | |
parent | 66ce3cf84deba6cc71dcf43c9d56a4278e5f712d (diff) | |
parent | a0a5e3488a51c46f383c5faa86b53828e30ce153 (diff) | |
download | op-kernel-dev-dff6d1c5ef9116a4478908001d72ee67127ecf01.zip op-kernel-dev-dff6d1c5ef9116a4478908001d72ee67127ecf01.tar.gz |
Merge branch 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging
* 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging: (23 commits)
hwmon: Remove the deprecated adt7473 driver
hwmon: Fix off-by-one kind values
hwmon: (tmp421) Fix temperature conversions
hwmon: (tmp421) Restore missing inputs
hwmon: Driver for Andigilog aSC7621 family monitoring chips
hwmon: (adt7411) Improve locking
hwmon: Add driver for ADT7411 voltage and temperature sensor
hwmon: (w83793) Add watchdog functionality
hwmon: (g760a) Make rpm_from_cnt static
hwmon: (it87) Validate auto pwm settings
hwmon: (it87) Add support for old automatic fan speed control
hwmon: (it87) Drop dead web links in documentation
hwmon: (it87) Add an entry in MAINTAINERS
hwmon: (it87) Use strict_strtol instead of simple_strtol
hwmon: (it87) Fix many checkpatch errors and warnings
hwmon: (it87) Add support for beep on alarm
hwmon: (it87) Create vid attributes by group
hwmon: (it87) Refactor attributes creation and removal
hwmon: (it87) Expose the PWM/temperature mappings
hwmon: (it87) Display fan outputs in automatic mode as such
...
Diffstat (limited to 'Documentation/hwmon/lm90')
-rw-r--r-- | Documentation/hwmon/lm90 | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/Documentation/hwmon/lm90 b/Documentation/hwmon/lm90 index 93d8e3d..6a03dd4 100644 --- a/Documentation/hwmon/lm90 +++ b/Documentation/hwmon/lm90 @@ -84,6 +84,10 @@ Supported chips: Addresses scanned: I2C 0x4c Datasheet: Publicly available at the Maxim website http://www.maxim-ic.com/quick_view2.cfm/qv_pk/3500 + * Winbond/Nuvoton W83L771AWG/ASG + Prefix: 'w83l771' + Addresses scanned: I2C 0x4c + Datasheet: Not publicly available, can be requested from Nuvoton Author: Jean Delvare <khali@linux-fr.org> @@ -147,6 +151,12 @@ MAX6680 and MAX6681: * Selectable address * Remote sensor type selection +W83L771AWG/ASG + * The AWG and ASG variants only differ in package format. + * Filter and alert configuration register at 0xBF + * Diode ideality factor configuration (remote sensor) at 0xE3 + * Moving average (depending on conversion rate) + All temperature values are given in degrees Celsius. Resolution is 1.0 degree for the local temperature, 0.125 degree for the remote temperature, except for the MAX6657, MAX6658 and MAX6659 which have a @@ -163,6 +173,18 @@ The lm90 driver will not update its values more frequently than every other second; reading them more often will do no harm, but will return 'old' values. +SMBus Alert Support +------------------- + +This driver has basic support for SMBus alert. When an alert is received, +the status register is read and the faulty temperature channel is logged. + +The Analog Devices chips (ADM1032 and ADT7461) do not implement the SMBus +alert protocol properly so additional care is needed: the ALERT output is +disabled when an alert is received, and is re-enabled only when the alarm +is gone. Otherwise the chip would block alerts from other chips in the bus +as long as the alarm is active. + PEC Support ----------- |