{ lib, ... }: { imports = [ ../../../common/cpu/intel ../../../common/pc/laptop/acpi_call.nix ../. ]; services = { # This fixes the pulseaudio profiles of the Thinkpad T490. # The laptop contains a single audio card with 5 sub-devices. Default pulseaudio only offers a single sink # which can only be switched between speaker/HDMI via a manual profile change. # This configures a profile set for pulseaudio which offers multiple sinks corresponding to the # speaker + 4 HDMI ports. This allows the user to play audio streams on the speaker and any of the 4 HDMI/USB-C # ports at the same time. udev.extraRules = let t490ProfileSet = ./t490-profile-set.conf; in '' SUBSYSTEM!="sound", GOTO="pulseaudio_end" ACTION!="change", GOTO="pulseaudio_end" KERNEL!="card*", GOTO="pulseaudio_end" # Lenovo T490 ATTRS{vendor}=="0x8086" ATTRS{device}=="0x9dc8" ATTRS{subsystem_vendor}=="0x17aa", ATTRS{subsystem_device}=="0x2279", ENV{PULSE_PROFILE_SET}="${t490ProfileSet}" LABEL="pulseaudio_end" ''; throttled.enable = lib.mkDefault true; }; }