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| author | Aaron Lu <aaron.lu@intel.com> | 2013-06-20 15:08:55 +0800 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2013-06-21 00:13:15 +0200 |
| commit | 3afe6dab86b669dd5bcef07b67d3ba7fb12a69a0 (patch) | |
| tree | c6051eb0f7fc9a52db6e93fca0f387b0dbe25939 /Documentation/kernel-parameters.txt | |
| parent | c76911bc6b0aa6280bee01ab01a7c790029c47ef (diff) | |
ACPI / video: add description for brightness_switch_enabled
Add description for video module's parameter brightness_switch_enabled
into kernel-parameters.txt.
Signed-off-by: Aaron Lu <aaron.lu@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'Documentation/kernel-parameters.txt')
| -rw-r--r-- | Documentation/kernel-parameters.txt | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index 2fe6e767b3d..7f64e0f0258 100644 --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt @@ -3229,6 +3229,15 @@ bytes respectively. Such letter suffixes can also be entirely omitted. video= [FB] Frame buffer configuration See Documentation/fb/modedb.txt. + video.brightness_switch_enabled= [0,1] + If set to 1, on receiving an ACPI notify event + generated by hotkey, video driver will adjust brightness + level and then send out the event to user space through + the allocated input device; If set to 0, video driver + will only send out the event without touching backlight + brightness level. + default: 1 + virtio_mmio.device= [VMMIO] Memory mapped virtio (platform) device. |