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alsa-profiles: SB Audigy: stereo mixer paths

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This is a follow-up to d5390c7, where we switched to the 'PCM' mixer controls
on Sound Blaster Audigy devices, since the ones we used before only work in the
stereo-to-all-speakers mirroring mode.

It turns out we do use that mode after all, but only in a couple of profiles.
Since returning those profiles to the default mixer path yields uneven volume
steps similar to #2934, we instead add a new mixer path just for that mode.
This commit is contained in:
Forest 2023-04-08 18:42:48 -07:00
parent 1e77a7cc51
commit 252620a18d
3 changed files with 65 additions and 9 deletions
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4
spa/plugins/alsa/mixer/paths/audigy-analog-output.conf
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@ -1,7 +1,7 @@
; Mixer path for the Sound Blaster Audigy series, which uses the EMU10K2 DSP.
; We target 'PCM Front' and similarly named controls instead of 'Front' et al.
; because the latter have no effect on volume, apparently intended for a
; stereo-to-all-speakers mirroring mode that we do not use.
; because the latter affect volume only in the device's stereo-to-all-speakers
; mirroring mode, which is not used by most profiles.
; https://docs.kernel.org/sound/cards/audigy-mixer.html
;
; See analog-output.conf.common for an explanation on the directives