https://bugzilla.kernel.org/show_bug.cgi?id=198597
Zhang Rui (rui.zh...@intel.com) changed:
What |Removed |Added
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Status|NEW |NEEDINFO
CC| |rui.zh...@intel.com
--- Comment #5 from Zhang Rui (rui.zh...@intel.com) ---
(In reply to Mingcong Bai from comment #0)
> On a Lenovo ThinkPad L420 (Type 7854)...
>
> - Neither the LED nor the button for Microphone Mute works, the
> `acpi_listen` command does not return with any readings. Pressing the button
> won't mute the microphone, nor would it light up the LED. However, using a
> volume mixer application (say, the one I used was from MATE Desktop) and
> drag the microphone volume all the way down, or checking "mute" will light
> up the button.
when does this happen?
> - The mute button works, but the LED does not light up. The mute LED could
> be lit or unlit before booting Linux. Pressing the button registers the
> following with the `acpi_listen` command:
>
when does this happen?
what did you do to reproduce the two different symptoms?
Or the laptop is broken all the time, but with two different symptoms?
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