https://bugzilla.kernel.org/show_bug.cgi?id=19592





--- Comment #10 from Zhang Rui <rui.zh...@intel.com>  2010-10-13 00:49:53 ---
(In reply to comment #7)
> and brightness switch should be disabled by default

well, /sys/module/video/parameters/brightness_switch_enabled is introduced
because we want X to disable the kernel backlight regulation, when X knows it
CAN handle the backlight switching.

the default value is N, because we don't want to lost the backlight control in
console mode.

So IMO, the future work is to help x play well with this switch.
Matthew, what do you think?

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