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hostconfig/minus: Configure the CEC subsystem

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This commit is contained in:
Quentin Boyer 2024-07-27 22:05:50 +02:00
parent 00330b4102
commit fbaead251d
1 changed files with 24 additions and 0 deletions
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24
hostconfig/minus/nixos.nix
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@ -4,6 +4,9 @@
lib,
...
}:
let
cec-ctl = lib.getExe' pkgs.v4l-utils "cec-ctl";
in
{
boot.extraModulePackages = [
(pkgs.pulse8-cec.override { inherit (config.boot.kernelPackages) kernel; })
@ -64,6 +67,12 @@
SUBSYSTEM=="tty" ACTION=="add" \
ATTRS{manufacturer}=="Pulse-Eight" ATTRS{product}=="CEC Adapter" \
TAG+="systemd" ENV{SYSTEMD_WANTS}="pulse8-cec-attach@$devnode.service"
SUBSYSTEM=="cec" KERNEL=="cec0" ACTION=="add" \
TAG+="systemd" ENV{SYSTEMD_WANTS}="cec0-configure@card1-HDMI-A-1.service"
SUBSYSTEM=="cec" KERNEL == "cec0" ACTION=="add" \
RUN+="${cec-ctl} '--device=$devpath' '--osd-name=minus' --playback"
'';
systemd.services."pulse8-cec-attach@" = {
@ -86,6 +95,21 @@
};
};
systemd.services."cec0-configure@" = {
description = "Configure CEC adapter cec0 assuming it runs on output %i";
unitConfig = {
AssertPathExists = "/sys/class/drm/%i/edid";
BindsTo = "dev-cec0.device";
};
serviceConfig = {
Type = "exec";
ExecStart = ''
${cec-ctl} --device=0 "--osd-name=%H" --playback "--phys-addr-from-edid-poll=/sys/class/drm/%i/edid"
'';
};
};
environment.systemPackages = with pkgs; [
moonlight-qt
jstest-gtk