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authorStefan Schmidt <stefan@datenfreihafen.org>2006-09-22 06:19:15 -0400
committerLen Brown <len.brown@intel.com>2006-10-14 00:32:23 -0400
commit24f7ff0af855ece60064a2532d8b316df02983c6 (patch)
tree8d8440a32deda295387eec1ba5d081ac2cbc214f /Documentation/ibm-acpi.txt
parent4d6bd5ea4ec4991901a8cf5a586babef68e1fa3f (diff)
ACPI: ibm_acpi: Update documentation for brightness and volume.
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>
Diffstat (limited to 'Documentation/ibm-acpi.txt')
-rw-r--r--Documentation/ibm-acpi.txt22
1 files changed, 6 insertions, 16 deletions
diff --git a/Documentation/ibm-acpi.txt b/Documentation/ibm-acpi.txt
index 71aa40345272..1672590d8efa 100644
--- a/Documentation/ibm-acpi.txt
+++ b/Documentation/ibm-acpi.txt
@@ -30,8 +30,8 @@ detailed description):
30 - ACPI sounds 30 - ACPI sounds
31 - temperature sensors 31 - temperature sensors
32 - Experimental: embedded controller register dump 32 - Experimental: embedded controller register dump
33 - Experimental: LCD brightness control 33 - LCD brightness control
34 - Experimental: volume control 34 - Volume control
35 - Experimental: fan speed, fan enable/disable 35 - Experimental: fan speed, fan enable/disable
36 36
37A compatibility table by model and feature is maintained on the web 37A 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
523with this, do send me your results (including some complete dumps with 523with this, do send me your results (including some complete dumps with
524a description of the conditions when they were taken.) 524a description of the conditions when they were taken.)
525 525
526EXPERIMENTAL: LCD brightness control -- /proc/acpi/ibm/brightness 526LCD brightness control -- /proc/acpi/ibm/brightness
527----------------------------------------------------------------- 527---------------------------------------------------
528
529This feature is marked EXPERIMENTAL because the implementation
530directly accesses hardware registers and may not work as expected. USE
531WITH CAUTION! To use this feature, you need to supply the
532experimental=1 parameter when loading the module.
533 528
534This feature allows software control of the LCD brightness on ThinkPad 529This feature allows software control of the LCD brightness on ThinkPad
535models which don't have a hardware brightness slider. The available 530models which don't have a hardware brightness slider. The available
@@ -542,13 +537,8 @@ commands are:
542The <level> number range is 0 to 7, although not all of them may be 537The <level> number range is 0 to 7, although not all of them may be
543distinct. The current brightness level is shown in the file. 538distinct. The current brightness level is shown in the file.
544 539
545EXPERIMENTAL: Volume control -- /proc/acpi/ibm/volume 540Volume control -- /proc/acpi/ibm/volume
546----------------------------------------------------- 541---------------------------------------
547
548This feature is marked EXPERIMENTAL because the implementation
549directly accesses hardware registers and may not work as expected. USE
550WITH CAUTION! To use this feature, you need to supply the
551experimental=1 parameter when loading the module.
552 542
553This feature allows volume control on ThinkPad models which don't have 543This feature allows volume control on ThinkPad models which don't have
554a hardware volume knob. The available commands are: 544a hardware volume knob. The available commands are: