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thinkpad_acpi 禁用亮度事件

tag-icon • tag-icon 16.04 keyboard brightness acpi backlight
thinkpad_acpi 禁用亮度事件

安装常规更新后，我的键盘亮度控制、无线开/关和其他控制都停止工作了。有趣的是，“锁定”键仍然有效。我看过其他几个类似的问题，但它们似乎不太相似。我正在运行联想 T430

这是 dmesg 输出：

dmesg

    [   20.666040] thinkpad_acpi: ThinkPad ACPI Extras v0.25
    [   20.666042] thinkpad_acpi: http://ibm-acpi.sf.net/
    [   20.666043] thinkpad_acpi: ThinkPad BIOS G7ET94WW (2.54 ), EC unknown
    [   20.666045] thinkpad_acpi: Lenovo ThinkPad T430s, model 2352CTO
    [   20.666334] thinkpad_acpi: detected a 16-level brightness capable ThinkPad
    [   20.666426] thinkpad_acpi: radio switch found; radios are enabled
    [   20.666503] thinkpad_acpi: This ThinkPad has standard ACPI backlight brightness control, supported by the ACPI video driver
    [   20.666504] thinkpad_acpi: Disabling thinkpad-acpi brightness events by default...

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此外，sys/class/backlight 目录是空的。

谢谢您的帮助。

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