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    SubjectRe: [PATCH v2 2/3] ACPI / video: seperate backlight control and event interface
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    On Tue, 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@intel.com>
    Tested-by: Igor Gnatenko <i.gnatenko.brain@gmail.com>
    > ---
    > drivers/acpi/video.c | 451 ++++++++++++++++++++++++++++++---------------------
    > include/acpi/video.h | 2 +
    > 2 files changed, 264 insertions(+), 189 deletions(-)

    --
    Igor Gnatenko
    Fedora release 20 (Heisenbug)
    Linux 3.12.0-0.rc1.git0.1.fc20.x86_64



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