mirror of
https://github.com/ryan4yin/nix-config.git
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Ryan Yin
6538c50662
- read Asahi aop-sensors ALS via iio and drive eDP-1 backlight - drop PrivateUsers for wluma so it can reach the real user D-Bus session - remove hypridle 10min screen-dim listener: its brightnessctl writes fight wluma and get learned as manual adjustments
44 lines
1.5 KiB
Nix
44 lines
1.5 KiB
Nix
{ ... }:
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# Automatic brightness for shoukei (the only host with an ambient light
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# sensor: aop-sensors-als, exposed through iio-sensor-proxy).
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#
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# wluma learns brightness preferences from manual adjustments (the QuickShell
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# slider counts as training data), then adjusts the backlight automatically
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# based on ambient light + screen contents.
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#
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# gamma = false keeps color temperature handled by noctalia's NightLight
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# (zwlr-gamma-control is an exclusive protocol, wluma and noctalia cannot
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# both own it). Other hosts keep the existing time-based NightLight setup.
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#
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# No extra udev rules or ACLs are needed: the sysfs brightness node is
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# root-owned, so wluma falls back to the systemd-logind D-Bus API
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# (org.freedesktop.login1.Session.SetBrightness), which authorizes active
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# sessions. Verified working inside Home Manager's default PrivateUsers
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# sandbox; do not "fix" it by disabling the sandbox.
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{
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services.wluma = {
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enable = true;
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# Exactly one top-level ALS section is mandatory in wluma's config.
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# The als.iio path scans /sys/bus/iio/devices and picks up the AOP
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# ambient light sensor (aop-sensors-als) exported via iio-sensor-proxy.
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settings.als.iio = {
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path = "/sys/bus/iio/devices";
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thresholds = {
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"0" = "night";
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"20" = "dark";
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"80" = "dim";
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"250" = "normal";
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"500" = "bright";
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"800" = "outdoors";
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};
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};
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settings.output.backlight = [
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{
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name = "eDP-1";
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path = "/sys/class/backlight/apple-panel-bl";
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gamma = false;
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}
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];
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};
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}
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