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    SubjectRE: [git pull 02/14] Add Wistron driver
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    >
    >Yu, Luming wrote:
    >> I just tested module wistron_btn on one Acer Aspire laptop after
    >> adding one dmi entry. The wistron_btn found BIOS interfaces.
    >> One visible error is the bluetooth light won't turn on upon
    >> stroking bluetooth button.
    >> Without wistron_btn module, the bluetooth light works.
    >> with acpi enabled, I didn't try acpi disabled)
    >>
    >> wistron_btn polls a cmos address to detect hotkey event. It
    >> is not necessary, because there do have ACPI interrupt
    >triggered upon
    >> hotkeys.
    >There are many different laptops using similar interfaces.
    >It is a mess :(
    >
    >If your laptop provides the hotkey events via ACPI, simply don't use
    >wistron_btns.

    wistron driver should be disabled if acpi hotkey enabled.

    >
    >> So, my suggestion is to disable this module when ACPI enabled.
    >I have a laptop that needs this module (hotkeys are not supported via
    >ACPI), but supports ACPI.

    Could you share me acpidump output of your laptop?
    Please attach it at :
    http://bugzilla.kernel.org/show_bug.cgi?id=5692

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