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linux config: enable SND CA0132 DSP loading

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Since we select everything as a module, snd_hda_codec_ca0132 is built as
well. DSP loading is not enabled by default, but without it the
soundcard produces timeouts within ALSA and does not emit sound.
Explicitly enable the firmware loading to ensure Soundblaster
Z/Zx/ZxR/Recon devices can be used with NixOS.
The patch to enable this by default in the kernel is staged for 5.8.
This commit is contained in:
Rouven Czerwinski 2020-03-29 10:03:47 +02:00
parent ce9bec83da
commit 62cdbd678c
1 changed files with 1 additions and 0 deletions
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pkgs/os-specific/linux/kernel/common-config.nix
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@ -244,6 +244,7 @@ let
SND_HDA_RECONFIG = yes; # Support reconfiguration of jack functions
# Support configuring jack functions via fw mechanism at boot
SND_HDA_PATCH_LOADER = yes;
SND_HDA_CODEC_CA0132_DSP = whenOlder "5.8" yes; # Enable DSP firmware loading on Creative Soundblaster Z/Zx/ZxR/Recon
SND_OSSEMUL = yes;
SND_USB_CAIAQ_INPUT = yes;
# Enable PSS mixer (Beethoven ADSP-16 and other compatible)