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authorMark Brown <broonie@opensource.wolfsonmicro.com>2010-11-01 13:58:18 -0400
committerMark Brown <broonie@opensource.wolfsonmicro.com>2010-11-01 13:58:18 -0400
commit6e1bd1ab1d9ab8e83cdc940df82fbf8418e2593f (patch)
treef1324a39f155375221ed88db0626f61b75c51db6 /Documentation/laptops
parentASoC: Store DC offset correction for wm_hubs devices in class W mode (diff)
parentASoC: Include cx20442 to SND_SOC_ALL_CODECS (diff)
downloadlinux-dev-6e1bd1ab1d9ab8e83cdc940df82fbf8418e2593f.tar.xz
linux-dev-6e1bd1ab1d9ab8e83cdc940df82fbf8418e2593f.zip
Merge branch 'for-2.6.37' into for-2.6.38
Diffstat (limited to 'Documentation/laptops')
-rw-r--r--Documentation/laptops/thinkpad-acpi.txt4
1 files changed, 4 insertions, 0 deletions
diff --git a/Documentation/laptops/thinkpad-acpi.txt b/Documentation/laptops/thinkpad-acpi.txt
index f6f80257addb..1565eefd6fd5 100644
--- a/Documentation/laptops/thinkpad-acpi.txt
+++ b/Documentation/laptops/thinkpad-acpi.txt
@@ -1024,6 +1024,10 @@ ThinkPad-specific interface. The driver will disable its native
backlight brightness control interface if it detects that the standard
ACPI interface is available in the ThinkPad.
+If you want to use the thinkpad-acpi backlight brightness control
+instead of the generic ACPI video backlight brightness control for some
+reason, you should use the acpi_backlight=vendor kernel parameter.
+
The brightness_enable module parameter can be used to control whether
the LCD brightness control feature will be enabled when available.
brightness_enable=0 forces it to be disabled. brightness_enable=1