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r: 39590
b: refs/heads/master
c: 24f7ff0
h: refs/heads/master
v: v3
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Stefan Schmidt authored and Len Brown committed Oct 14, 2006
1 parent c6803a5 commit c12489d
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2 changes: 1 addition & 1 deletion [refs]
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refs/heads/master: 4d6bd5ea4ec4991901a8cf5a586babef68e1fa3f
refs/heads/master: 24f7ff0af855ece60064a2532d8b316df02983c6
22 changes: 6 additions & 16 deletions trunk/Documentation/ibm-acpi.txt
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Expand Up @@ -30,8 +30,8 @@ detailed description):
- ACPI sounds
- temperature sensors
- Experimental: embedded controller register dump
- Experimental: LCD brightness control
- Experimental: volume control
- LCD brightness control
- Volume control
- Experimental: fan speed, fan enable/disable

A compatibility table by model and feature is maintained on the web
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with this, do send me your results (including some complete dumps with
a description of the conditions when they were taken.)

EXPERIMENTAL: LCD brightness control -- /proc/acpi/ibm/brightness
-----------------------------------------------------------------

This 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.
LCD brightness control -- /proc/acpi/ibm/brightness
---------------------------------------------------

This feature allows software control of the LCD brightness on ThinkPad
models which don't have a hardware brightness slider. The available
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The <level> number range is 0 to 7, although not all of them may be
distinct. The current brightness level is shown in the file.

EXPERIMENTAL: Volume control -- /proc/acpi/ibm/volume
-----------------------------------------------------

This 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.
Volume control -- /proc/acpi/ibm/volume
---------------------------------------

This feature allows volume control on ThinkPad models which don't have
a hardware volume knob. The available commands are:
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