https://bugzilla.kernel.org/show_bug.cgi?id=196751
Bug ID: 196751
Summary: Acer laptop power button
Product: ACPI
Version: 2.5
Kernel Version: 4.11
Hardware: All
OS: Linux
Tree: Mainline
Status: NEW
Severity: low
Priority: P1
Component: Power-Off
Assignee: [email protected]
Reporter: [email protected]
Regression: No
Power buttons on Acer laptops made since 2016 are now just a key on the
keyboard, and simply generate scancodes like the other keys. I cannot get any
Linux distro to recognize this as the power button. Even Win10 does not
recognize the new scancodes. Acer supply a bloatware app called "Acer Power
Button" that intercepts the third scancode 0x8a and offers shutdown options.
Scancode 0xf6 presumably powers on.
------------Example---------
Acer Aspire ES1-523 (manufactured Mar 2017) power button pressed for 3 secs.
Two 0xf6 scancodes 0.1s apart, then a 2sec gap, and then scancode 0x8a reported
by acer_wmi module.
Dmesg output:
[ 156.526727] atkbd serio0: Unknown key pressed (translated set 2, code 0xf6
on isa0060/serio0).
[ 156.526736] atkbd serio0: Use 'setkeycodes e076 <keycode>' to make it known.
[ 156.536051] atkbd serio0: Unknown key released (translated set 2, code 0xf6
on isa0060/serio0).
[ 156.536061] atkbd serio0: Use 'setkeycodes e076 <keycode>' to make it known.
[ 158.189862] acer_wmi: Unknown key number - 0x8a
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