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Add better pulseaudio support for thinkpad t490
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Reno Reckling
parent
03db9669a6
commit
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2 changed files with 137 additions and 0 deletions
30
lenovo/thinkpad/t490/default.nix
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30
lenovo/thinkpad/t490/default.nix
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{ nixos, pkgs, config, stdenv, ... }:
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{
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imports = [
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../../../common/cpu/intel
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../../../common/pc/laptop/acpi_call.nix
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../../../common/pc/laptop/cpu-throttling-bug.nix
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../.
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];
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services = {
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# This fixes the pulseaudio profiles of the Thinkpad T490.
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# The laptop contains a single audio card with 5 sub-devices. Default pulseaudio only offers a single sink
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# which can only be switched between speaker/HDMI via a manual profile change.
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# This configures a profile set for pulseaudio which offers multiple sinks corresponding to the
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# speaker + 4 HDMI ports. This allows the user to play audio streams on the speaker and any of the 4 HDMI/USB-C
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# ports at the same time.
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udev.extraRules = let
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t490ProfileSet = ./t490-profile-set.conf;
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in ''
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SUBSYSTEM!="sound", GOTO="pulseaudio_end"
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ACTION!="change", GOTO="pulseaudio_end"
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KERNEL!="card*", GOTO="pulseaudio_end"
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# Lenovo T490
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ATTRS{subsystem_vendor}=="0x17aa", ATTRS{subsystem_device}=="0x2279", ENV{PULSE_PROFILE_SET}="${t490ProfileSet}"
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LABEL="pulseaudio_end"
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'';
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};
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}
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107
lenovo/thinkpad/t490/t490-profile-set.conf
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lenovo/thinkpad/t490/t490-profile-set.conf
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[Profile speaker+hdmi-stereo]
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description = Speaker + HDMI Stereo
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output-mappings = analog-stereo hdmi-stereo hdmi-stereo-extra1 hdmi-stereo-extra2
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input-mappings = analog-stereo
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[Mapping analog-stereo]
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device-strings = front:%f
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channel-map = left,right
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paths-output = analog-output analog-output-lineout analog-output-speaker analog-output-headphones analog-output-headphones-2
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paths-input = analog-input-front-mic analog-input-rear-mic analog-input-internal-mic analog-input-dock-mic analog-input analog-input-mic analog-input-linein analog-input-aux analog-input-video analog-input-tvtuner analog-input-fm analog-input-mic-line analog-input-headphone-mic analog-input-headset-mic
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priority = 15
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[Mapping hdmi-stereo]
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description = Stereo (HDMI)
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device-strings = hdmi:%f
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paths-output = hdmi-output-0
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channel-map = left,right
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priority = 6
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direction = output
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[Mapping hdmi-stereo-extra1]
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description = Stereo (HDMI 2)
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device-strings = hdmi:%f,1
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paths-output = hdmi-output-1
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channel-map = left,right
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priority = 8
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direction = output
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[Mapping hdmi-stereo-extra2]
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description = Stereo (HDMI 3)
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device-strings = hdmi:%f,2
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paths-output = hdmi-output-2
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channel-map = left,right
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priority = 6
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direction = output
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[Profile speaker+hdmi-surround]
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description = Speaker + HDMI 5.1
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output-mappings = analog-stereo hdmi-surround hdmi-surround-extra1 hdmi-surround-extra2
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input-mappings = analog-stereo
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[Mapping analog-stereo]
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device-strings = front:%f
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channel-map = left,right
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paths-output = analog-output analog-output-lineout analog-output-speaker analog-output-headphones analog-output-headphones-2
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paths-input = analog-input-front-mic analog-input-rear-mic analog-input-internal-mic analog-input-dock-mic analog-input analog-input-mic analog-input-linein analog-input-aux analog-input-video analog-input-tvtuner analog-input-fm analog-input-mic-line analog-input-headphone-mic analog-input-headset-mic
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priority = 15
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[Mapping hdmi-surround]
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description = Digital Surround 5.1 (HDMI)
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device-strings = hdmi:%f
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paths-output = hdmi-output-0
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channel-map = front-left,front-right,rear-left,rear-right,front-center,lfe
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priority = 6
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direction = output
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[Mapping hdmi-surround-extra1]
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description = Digital Surround 5.1 (HDMI 2)
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device-strings = hdmi:%f,1
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paths-output = hdmi-output-1
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channel-map = front-left,front-right,rear-left,rear-right,front-center,lfe
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priority = 8
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direction = output
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[Mapping hdmi-surround-extra2]
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description = Digital Surround 5.1 (HDMI 3)
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device-strings = hdmi:%f,2
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paths-output = hdmi-output-2
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channel-map = front-left,front-right,rear-left,rear-right,front-center,lfe
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priority = 6
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direction = output
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[Profile speaker+hdmi-surround71]
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description = Speaker + HDMI 7.1
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output-mappings = analog-stereo hdmi-surround71 hdmi-surround71-extra1 hdmi-surround71-extra2
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input-mappings = analog-stereo
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[Mapping analog-stereo]
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device-strings = front:%f
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channel-map = left,right
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paths-output = analog-output analog-output-lineout analog-output-speaker analog-output-headphones analog-output-headphones-2
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paths-input = analog-input-front-mic analog-input-rear-mic analog-input-internal-mic analog-input-dock-mic analog-input analog-input-mic analog-input-linein analog-input-aux analog-input-video analog-input-tvtuner analog-input-fm analog-input-mic-line analog-input-headphone-mic analog-input-headset-mic
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priority = 15
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[Mapping hdmi-surround71]
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description = Digital Surround 7.1 (HDMI)
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device-strings = hdmi:%f
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paths-output = hdmi-output-0
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channel-map = front-left,front-right,rear-left,rear-right,front-center,lfe,side-left,side-right
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priority = 6
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direction = output
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[Mapping hdmi-surround71-extra1]
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description = Digital Surround 7.1 (HDMI 2)
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device-strings = hdmi:%f,1
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paths-output = hdmi-output-1
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channel-map = front-left,front-right,rear-left,rear-right,front-center,lfe,side-left,side-right
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priority = 8
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direction = output
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[Mapping hdmi-surround71-extra2]
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description = Digital Surround 7.1 (HDMI 3)
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device-strings = hdmi:%f,2
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paths-output = hdmi-output-2
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channel-map = front-left,front-right,rear-left,rear-right,front-center,lfe,side-left,side-right
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priority = 6
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direction = output
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