Related bug:
https://bugs.launchpad.net/ubuntu/+bug/1841039
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https://bugs.launchpad.net/bugs/1806681
Title:
hp_wmi: query 0xd returned error 0x5
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I support the conclusion by Marcel.
I have HP 450 G6 and brightness up/down generate the same scancode as mic mute.
Also, in dmesg I get:
[6.422405] hp_wmi: query 0x4 returned error 0x5
[6.433681] hp_wmi: query 0x4 returned error 0x5
[6.447825] hp_wmi: query 0xd returned error 0x5
[
I support the findings of Jakub.
The source of the hp_wmi also suggests it is responsible for the brightness
shortcuts:
{ KE_KEY, 0x02, { KEY_BRIGHTNESSUP } },
{ KE_KEY, 0x03, { KEY_BRIGHTNESSDOWN } },
On my machine, running dmesg | grep wmi, I get:
[6.422405] hp_wmi:
