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authorDavid S. Miller <davem@davemloft.net>2010-09-10 09:27:33 +0400
committerDavid S. Miller <davem@davemloft.net>2010-09-10 09:27:33 +0400
commite548833df83c3554229eff0672900bfe958b45fd (patch)
tree85efc4a76dc356593d6d394776aeb845dc580fb6 /Documentation/laptops/thinkpad-acpi.txt
parentcbd9da7be869f676afc204e1a664163778c770bd (diff)
parent053d8f6622701f849fda2ca2c9ae596c13599ba9 (diff)
downloadlinux-e548833df83c3554229eff0672900bfe958b45fd.tar.xz
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts: net/mac80211/main.c
Diffstat (limited to 'Documentation/laptops/thinkpad-acpi.txt')
-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