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authorJiri Kosina <jkosina@suse.cz>2011-05-18 17:06:31 +0200
committerJiri Kosina <jkosina@suse.cz>2011-05-18 17:06:49 +0200
commit6b7b8e488bbdedeccabdd001a78ffcbe43bb8a3a (patch)
treef2f77cc31b4548745778fca6a51b09e1d8a49804 /Documentation/hwmon/lm90
parentb50f315cbb865079a16a12fd9ae6083f98fd592c (diff)
parentc1d10d18c542278b7fbc413c289d3cb6219da6b3 (diff)
downloadlwn-6b7b8e488bbdedeccabdd001a78ffcbe43bb8a3a.tar.gz
lwn-6b7b8e488bbdedeccabdd001a78ffcbe43bb8a3a.zip
Merge branch 'master' into upstream.
This is sync with Linus' tree to receive KEY_IMAGES definition that went in through input tree.
Diffstat (limited to 'Documentation/hwmon/lm90')
-rw-r--r--Documentation/hwmon/lm9029
1 files changed, 20 insertions, 9 deletions
diff --git a/Documentation/hwmon/lm90 b/Documentation/hwmon/lm90
index fa475c0a48a3..f3efd18e87f4 100644
--- a/Documentation/hwmon/lm90
+++ b/Documentation/hwmon/lm90
@@ -32,6 +32,16 @@ Supported chips:
Addresses scanned: I2C 0x4c and 0x4d
Datasheet: Publicly available at the ON Semiconductor website
http://www.onsemi.com/PowerSolutions/product.do?id=ADT7461
+ * Analog Devices ADT7461A
+ Prefix: 'adt7461a'
+ Addresses scanned: I2C 0x4c and 0x4d
+ Datasheet: Publicly available at the ON Semiconductor website
+ http://www.onsemi.com/PowerSolutions/product.do?id=ADT7461A
+ * ON Semiconductor NCT1008
+ Prefix: 'nct1008'
+ Addresses scanned: I2C 0x4c and 0x4d
+ Datasheet: Publicly available at the ON Semiconductor website
+ http://www.onsemi.com/PowerSolutions/product.do?id=NCT1008
* Maxim MAX6646
Prefix: 'max6646'
Addresses scanned: I2C 0x4d
@@ -149,7 +159,7 @@ ADM1032:
* ALERT is triggered by open remote sensor.
* SMBus PEC support for Write Byte and Receive Byte transactions.
-ADT7461:
+ADT7461, ADT7461A, NCT1008:
* Extended temperature range (breaks compatibility)
* Lower resolution for remote temperature
@@ -195,9 +205,9 @@ are exported, one for each channel, but these values are of course linked.
Only the local hysteresis can be set from user-space, and the same delta
applies to the remote hysteresis.
-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.
+The lm90 driver will not update its values more frequently than configured with
+the update_interval attribute; reading them more often will do no harm, but will
+return 'old' values.
SMBus Alert Support
-------------------
@@ -205,11 +215,12 @@ 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.
+The Analog Devices chips (ADM1032, ADT7461 and ADT7461A) and ON
+Semiconductor chips (NCT1008) 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
-----------