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ACPI: ibm_acpi: Update documentation for brightness and volume.

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Document the change of the experimental flag for brightness and volume.

Signed-off-by: Stefan Schmidt <stefan@datenfreihafen.org>
Acked-by: Borislav Deianov <borislav@users.sourceforge.net>
Signed-off-by: Len Brown <len.brown@intel.com>
This commit is contained in:
Stefan Schmidt 2006-09-22 12:19:15 +02:00 committed by Len Brown
parent 4d6bd5ea4e
commit 24f7ff0af8
1 changed files with 6 additions and 16 deletions
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22
Documentation/ibm-acpi.txt
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@ -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
@ -523,13 +523,8 @@ registers contain the current battery capacity, etc. If you experiment
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
@ -542,13 +537,8 @@ commands are:
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: