ACPI video: introduce module parameter video.use_bios_initial_backlight

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Introduce module parameter video.use_bios_initial_backlight.

Some BIOSes claim they use the minimum backlight at boot,
and this may bring dimming screen after boot.
https://bugzilla.kernel.org/show_bug.cgi?id=21212

use video.use_bios_initl_backlight=0 to use
the maximum backlight level after boot.

Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>

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Zhang Rui 2010-12-06 15:04:27 +08:00 • committed by Len Brown

parent cf7d7e5a19

commit 99fd1895ef

1 changed files with 12 additions and 3 deletions

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drivers/acpi/video.c

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