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alsa-mixer: Fix mono input for Texas Instruments PCM2902

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Even though the file name is currently behringer-umc22.conf, the USB ID
actually belongs to Texas Instruments PCM2902, which is a generic chip
used in multiple products. Some products have true mono input unlike
Behringer UMC22, which has two mono inputs combined into one stereo PCM
device.

This patch removes the "mono,mono" mapping from Behringer UMC22, which
hopefully won't be missed too much (there are still "mono,aux1" and
"aux1,mono" mappings available for mono recording).

Part-of: <https://gitlab.freedesktop.org/pulseaudio/pulseaudio/-/merge_requests/667>
This commit is contained in:
simple 2021-11-21 10:16:08 +00:00 • committed by Tanu Kaskinen
parent cc8df06b9d
commit 7f02f3a0c0
1 changed files with 1 additions and 1 deletions
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2
src/modules/alsa/mixer/profile-sets/behringer-umc22.conf
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@ -42,7 +42,7 @@ priority = 4
[Mapping analog-mono]
device-strings = hw:%f
channel-map = mono,mono
channel-map = mono
paths-input = analog-input-mic
direction = input
priority = 3