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I've been trying for the last several hours to get these keys to work. The keys work independently from eachother, but not combined, which is really annoying giving the fact that they should send the XF86MonBrightnessUp/Down Keycodes.
I've researched this issue and found a thread, where someone tried to install arch linux on the very same Product and got the same error.
Currently the backlight keys don't work. I've done some research on this but haven't hit the right solution yet. The backlight can be controlled using the xbacklight command. Adding "acpi_osi=" to the kernel options causes linux to recognize the brightness keys, but it doesn't change the brightness and it breaks xbacklight.
I also tried this, but that only increased my boot time, and setting "acpi_osi=linux" and "acpi_backlight=vendor"(Seems like I did not try this solution afterall) but nothing helped me.
Any idea, what else I could try?
Last edited by Awlex (2018-08-14 01:11:35)
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So, after rebooting once again with all the answers combined, it seemed to work.
Following this solution I was able to get the keys working. They are still not recognized by e.g. xbindkeys and this breaks xbacklight compatibility, but the Keys work as intended.
I added this to my kernel parameters and enabled Nvidia KMS just as instructed.
nvidia-drm.modeset=1 acpi_osi= acpi_backlight=vendor
This did now work until I added the acpi_backlight parameter.
Note: I did not have to Systemd-boot, since I was it from the beginning.
Tbh, the error message on while booting makes it seem like a really ugly hack
Last edited by Awlex (2018-08-14 01:11:09)
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