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add current state I use of

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https://github.com/nix-community/nixos-apple-silicon
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Christoph Cullmann 2025-07-06 16:33:57 +02:00
parent 1372b1b552
commit 6cea23953e
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49
zeta/apple-silicon-support/modules/sound/default.nix Normal file
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{ config, options, pkgs, lib, ... }:
{
options.hardware.asahi = {
setupAsahiSound = lib.mkOption {
type = lib.types.bool;
default = config.hardware.asahi.enable;
description = ''
Set up the Asahi DSP components so that the speakers and headphone jack
work properly and safely.
'';
};
};
config = let
cfg = config.hardware.asahi;
in lib.mkIf (cfg.setupAsahiSound && cfg.enable) (lib.mkMerge [
{
# can't be used by Asahi sound infrastructure
services.pulseaudio.enable = false;
# enable pipewire to run real-time and avoid audible glitches
security.rtkit.enable = true;
# set up pipewire with the supported capabilities (instead of pulseaudio)
# and asahi-audio configs and plugins
services.pipewire = {
enable = true;
alsa.enable = true;
pulse.enable = true;
configPackages = [ pkgs.asahi-audio ];
wireplumber = {
enable = true;
configPackages = [ pkgs.asahi-audio ];
};
};
# set up enivronment so that UCM configs are used as well
environment.variables.ALSA_CONFIG_UCM2 = "${pkgs.alsa-ucm-conf-asahi}/share/alsa/ucm2";
systemd.user.services.pipewire.environment.ALSA_CONFIG_UCM2 = config.environment.variables.ALSA_CONFIG_UCM2;
systemd.user.services.wireplumber.environment.ALSA_CONFIG_UCM2 = config.environment.variables.ALSA_CONFIG_UCM2;
# enable speakersafetyd to protect speakers
systemd.packages = [ pkgs.speakersafetyd ];
services.udev.packages = [ pkgs.speakersafetyd ];
}
]);
}