[PATCH v2 2/3] ACPI / video: seperate backlight control and event interface

[Yves-Alexis Perez]

On mar., 2013-09-17 at 17:23 +0800, Aaron Lu wrote:
> The backlight control and event delivery functionality provided by
> ACPI
> video module is mixed together and registered all during video device
> enumeration time. As a result, the two functionality are also removed
> together on module unload time or by the acpi_video_unregister
> function.
> The two functionalities are actually independent and one may be useful
> while the other one may be broken, so it is desirable to seperate the
> two functionalities such that it is clear and easy to disable one
> functionality without affecting the other one.
> 
> APIs to selectively remove backlight control interface and/or event
> delivery functionality can be easily added once needed.
> 
> Signed-off-by: Aaron Lu <aaron.lu at intel.com>
Tested-by: Yves-Alexis Perez <corsac at debian.org>
-- 
Yves-Alexis
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