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alsa-ucm-conf-sane: route audio to the internal speaker by default

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Colin 2023-10-01 04:24:30 +00:00
parent b9f31c6f4b
commit 4a8d7ca1c3
1 changed files with 10 additions and 8 deletions
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18
pkgs/additional/alsa-ucm-conf-sane/default.nix
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@ -1,4 +1,7 @@
{ alsa-ucm-conf }:
{ alsa-ucm-conf
, lib
, preferEarpiece ? false
}:
alsa-ucm-conf.overrideAttrs (upstream: {
# upstream alsa ships with PinePhone audio configs, but they don't actually produce sound.
# see: <https://github.com/alsa-project/alsa-ucm-conf/pull/134>
@ -15,19 +18,18 @@ alsa-ucm-conf.overrideAttrs (upstream: {
# - "internal earpiece" works.
# - "internal speaker" doesn't work (but that's probably because i broke the ribbon cable)
# - "analog output" doesn't work.
postPatch = upstream.postPatch or "" + ''
postPatch = (upstream.postPatch or "") + ''
cp ${./ucm2/PinePhone}/* ucm2/Allwinner/A64/PinePhone/
# fix the self-contained ucm files i source from to have correct path within the alsa-ucm-conf source tree
substituteInPlace ucm2/Allwinner/A64/PinePhone/PinePhone.conf \
--replace 'HiFi.conf' '/Allwinner/A64/PinePhone/HiFi.conf'
substituteInPlace ucm2/Allwinner/A64/PinePhone/PinePhone.conf \
--replace 'VoiceCall.conf' '/Allwinner/A64/PinePhone/VoiceCall.conf'
# 2023/09/12: HARDWARE PATCH
# - the internal speaker on my device is broken
# - until i fix it, just make it a lower priority than the other devices
# so that it's never activated by default
--replace 'VoiceCall.conf' '/Allwinner/A64/PinePhone/VoiceCall.conf'
'' + lib.optionalString preferEarpiece ''
# decrease the priority of the internal speaker so that sounds are routed
# to the earpiece by default.
# this is just personal preference.
substituteInPlace ucm2/Allwinner/A64/PinePhone/* \
--replace 'PlaybackPriority 300' 'PlaybackPriority 100'
'';