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hosts/eldrid/cb-audio-fix: update

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Signed-off-by: unexplrd <unexplrd@linerds.us>
This commit is contained in:
unexplrd
2025-07-12 15:13:43 +03:00
parent 7d0e089e3f
commit 930417968f
1 changed files with 59 additions and 19 deletions
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78
hosts/eldrid/hardware/laptop/cb-audio-fix.nix
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@ -1,20 +1,47 @@
{pkgs, ...}: let
cb-ucm-conf = pkgs.alsa-ucm-conf.overrideAttrs {
wttsrc = pkgs.fetchFromGitHub {
owner = "WeirdTreeThing";
repo = "chromebook-ucm-conf";
rev = "b6ce2a7";
hash = "sha256-QRUKHd3RQmg1tnZU8KCW0AmDtfw/daOJ/H3XU5qWTCc=";
cb-ucm-conf = with pkgs;
alsa-ucm-conf.overrideAttrs {
wttsrc = fetchFromGitHub {
owner = "WeirdTreeThing";
repo = "alsa-ucm-conf-cros";
rev = "a4f0ed6cf59163fb571c33a81a6b40b6f53ed57d";
hash = "sha256-H0BsRzHSEJ6XCZB/Rvb3w+uGCzr+kAvAwcHWqYEtp6w=";
};
unpackPhase = ''
runHook preUnpack
tar xf "$src"
runHook postUnpack
'';
installPhase = ''
runHook preInstall
mkdir -p $out/share/alsa
cp -r alsa-ucm*/ucm2 $out/share/alsa
runHook postInstall
'';
};
postInstall = ''
cp -R $wttsrc/common/* $out/share/alsa/ucm2/common
cp -R $wttsrc/codecs/* $out/share/alsa/ucm2/codecs
cp -R $wttsrc/platforms/* $out/share/alsa/ucm2/platforms
cp -R $wttsrc/sof-rt5682 $out/share/alsa/ucm2/conf.d
cp -R $wttsrc/sof-cs42l42 $out/share/alsa/ucm2/conf.d
'';
};
in {
environment = {
systemPackages = [pkgs.sof-firmware];
sessionVariables.ALSA_CONFIG_UCM2 = "${cb-ucm-conf}/share/alsa/ucm2";
etc = {
"wireplumber/main.lua.d/51-increase-headroom.lua".text = ''
rule = {
matches = {
{
{ "node.name", "matches", "alsa_output.*" },
},
},
apply_properties = {
["api.alsa.headroom"] = 4096,
},
}
table.insert(alsa_monitor.rules,rule)
'';
};
};
system.replaceDependencies.replacements = [
{
original = pkgs.alsa-ucm-conf;
@ -22,6 +49,10 @@ in {
}
];
boot.extraModprobeConfig = ''
options snd-intel-dspcfg dsp_driver=3
'';
services.pipewire.wireplumber.configPackages = [
(pkgs.writeTextDir "share/wireplumber/main.lua.d/51-increase-headroom.lua" ''
rule = {
@ -37,10 +68,19 @@ in {
table.insert(alsa_monitor.rules,rule)
'')
(pkgs.writeTextDir "share/wireplumber/main.lua.d/51-avs-dmic.lua" ''
rule = {
matches = {
{
{ "node.nick", "equals", "Internal Microphone" },
},
},
apply_properties = {
["audio.format"] = "S16LE",
},
}
table.insert(alsa_monitor.rules, rule)
'')
];
boot = {
extraModprobeConfig = ''
options snd-intel-dspcfg dsp_driver=3
'';
};
}