raspberry-pi/4: Include tsched=0 fix in audio module
This applies a commonly suggested fix for pulseaudio sound glitches.
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@ -35,6 +35,12 @@ in
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# set tsched=0 in pulseaudio config to avoid audio glitches
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# see https://wiki.archlinux.org/title/PulseAudio/Troubleshooting#Glitches,_skips_or_crackling
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hardware.pulseaudio.configFile = lib.mkDefault pkgs.runCommand "default.pa" {} ''
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sed 's/module-udev-detect$/module-udev-detect tsched=0/' ${config.hardware.pulseaudio.package}/etc/pulse/default.pa > $out
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