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Merge #667

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667: lenovo legion 7 slim 15ach6: remove brightness service r=Mic92 a=rhoriguchi



Co-authored-by: Ryan Horiguchi <ryan.horiguchi@gmail.com>
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bors[bot] 2023-07-10 05:17:32 +00:00 committed by GitHub
parent 47dca15d86 7f46848ea6
commit 4af66a486f
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lenovo/legion/15ach6/default.nix
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@ -20,28 +20,4 @@ in {
# √(3840² + 2160²) px / 15.60 in ≃ 282 dpi # √(3840² + 2160²) px / 15.60 in ≃ 282 dpi
services.xserver.dpi = 282; services.xserver.dpi = 282;
# https://wiki.archlinux.org/title/backlight#Backlight_is_always_at_full_brightness_after_a_reboot_with_amdgpu_driver
systemd.services.fix-brightness = {
before = [
"systemd-backlight@backlight:${
if lib.versionOlder kernelPackages.kernel.version "5.18" then "amdgpu_bl0" else "nvidia_wmi_ec_backlight"
}.service"
];
description = "Convert 16-bit brightness values to 8-bit before systemd-backlight applies it";
script = ''
BRIGHTNESS_FILE="/var/lib/systemd/backlight/${
if lib.versionOlder kernelPackages.kernel.version "5.18" then
"pci-0000:05:00.0:backlight:amdgpu_bl0"
else
"platform-PNP0C14:00:backlight:nvidia_wmi_ec_backlight"
}"
BRIGHTNESS=$(cat "$BRIGHTNESS_FILE")
BRIGHTNESS=$(($BRIGHTNESS*255/65535))
BRIGHTNESS=''${BRIGHTNESS/.*} # truncating to int, just in case
echo $BRIGHTNESS > "$BRIGHTNESS_FILE"
'';
serviceConfig.Type = "oneshot";
wantedBy = [ "multi-user.target" ];
};
} }