X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=Documentation%2Fthinkpad-acpi.txt;h=3eb949e14a02c0dd7674fdd49655d5f7e0895624;hb=3d6f99ca00ccf861305fd8630a21f2e696886708;hp=5d827ded34d1c8bc271bb278c2d990918e164e9b;hpb=a8fba3da3d11d808137be7ebeb3b6938a42f011f;p=linux-2.6 diff --git a/Documentation/thinkpad-acpi.txt b/Documentation/thinkpad-acpi.txt index 5d827ded34..3eb949e14a 100644 --- a/Documentation/thinkpad-acpi.txt +++ b/Documentation/thinkpad-acpi.txt @@ -710,23 +710,15 @@ Temperature sensors procfs: /proc/acpi/ibm/thermal sysfs device attributes: (hwmon) temp*_input -Most ThinkPads include six or more separate temperature sensors but -only expose the CPU temperature through the standard ACPI methods. -This feature shows readings from up to eight different sensors on older -ThinkPads, and it has experimental support for up to sixteen different -sensors on newer ThinkPads. - -EXPERIMENTAL: The 16-sensors feature is marked EXPERIMENTAL because the -implementation directly accesses hardware registers and may not work as -expected. USE WITH CAUTION! To use this feature, you need to supply the -experimental=1 parameter when loading the module. When EXPERIMENTAL -mode is enabled, reading the first 8 sensors on newer ThinkPads will -also use an new experimental thermal sensor access mode. +Most ThinkPads include six or more separate temperature sensors but only +expose the CPU temperature through the standard ACPI methods. This +feature shows readings from up to eight different sensors on older +ThinkPads, and up to sixteen different sensors on newer ThinkPads. For example, on the X40, a typical output may be: temperatures: 42 42 45 41 36 -128 33 -128 -EXPERIMENTAL: On the T43/p, a typical output may be: +On the T43/p, a typical output may be: temperatures: 48 48 36 52 38 -128 31 -128 48 52 48 -128 -128 -128 -128 -128 The mapping of thermal sensors to physical locations varies depending on