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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 | |||
| 1024 | backlight brightness control interface if it detects that the standard | 1024 | backlight brightness control interface if it detects that the standard |
| 1025 | ACPI interface is available in the ThinkPad. | 1025 | ACPI interface is available in the ThinkPad. |
| 1026 | 1026 | ||
| 1027 | If you want to use the thinkpad-acpi backlight brightness control | ||
| 1028 | instead of the generic ACPI video backlight brightness control for some | ||
| 1029 | reason, you should use the acpi_backlight=vendor kernel parameter. | ||
| 1030 | |||
| 1027 | The brightness_enable module parameter can be used to control whether | 1031 | The brightness_enable module parameter can be used to control whether |
| 1028 | the LCD brightness control feature will be enabled when available. | 1032 | the LCD brightness control feature will be enabled when available. |
| 1029 | brightness_enable=0 forces it to be disabled. brightness_enable=1 | 1033 | brightness_enable=0 forces it to be disabled. brightness_enable=1 |