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On 15/05/2021 14:12, Michael wrote: |
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> On Saturday, 15 May 2021 11:46:46 BST Emmanuel Vasilakis wrote: |
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>> Hi! |
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>> |
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>> I got a new Asus Zenbook laptop, with a ryzen 4500U processor. Most |
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>> things run great, except those brightness keys! |
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>> |
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>> Nothing is reported when pressing them, either with showkeys or |
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>> acpi_listen, so I can't bind them to a shortcut. Brightness by changing |
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>> the value in /sys/class/backlight/amdgpu_b10/brightness works fine. |
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>> |
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>> I have asus_wmi and asus_nb_wmi modules loaded, so things like |
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>> multitouch pad and keyboard backlight work fine. |
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>> |
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>> I'm running a 5.10.27 gentoo sources kernel. Most people on the net say |
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>> that using the 'acpi_osi= ' parameter fixes it, but in my case it just |
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>> hangs at kernel boot. Did try e.g. acpi_osi=Linux, but nothing changed. |
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>> |
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>> At the same time, using a live Manjaro usb both brightness keys work |
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>> fine, and they are usable under Gnome. |
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>> |
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>> I'm sure I'm missing something in my kernel configuration.... Any ideas? |
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>> |
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>> Thanks! |
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> |
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> Assuming the Manjaro Live-USB is running the same version of kernel/modules |
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> and firmware, then it is worth checking /proc/config.gz for the running |
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> kernel's configuration and comparing it with your gentoo configuration. |
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> |
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> Also while you're there you could check with lsmod what modules were loaded by |
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> the Manjaro kernel to see if you're missing something. |
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> |
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Ah, I had gone through that! Looked at almost line by line the two |
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dmesg, lsmod, configs etc. Of course Manjaro's config is .... big! |
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Turns out there was something in ACPI page of kernel config that did the |
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trick (not sure what exactly to be honest - might be Video). |
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Thanks though! |
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