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| author | Stephen Rothwell <sfr@canb.auug.org.au> | 2010-08-18 11:08:22 +1000 |
|---|---|---|
| committer | Stephen Rothwell <sfr@canb.auug.org.au> | 2010-08-18 11:08:22 +1000 |
| commit | ef41fa33e776eaff466bc4158276d5df5fe937f2 (patch) | |
| tree | 26ed67d0f652c2a476d748ae693d8925f6db3659 /Documentation | |
| parent | 3f84e346d8249fb41e007c8f2551cedfb545375e (diff) | |
| parent | 35989e9d7e19deb4b395aee7d120b1536337b4af (diff) | |
Merge remote branch 'drivers-x86/linux-next'
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/laptops/thinkpad-acpi.txt | 4 |
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 |