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USB-Audio: Steinberg UR22C - fix capture channels for older firmware

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It seems that firmware version 3.20 added 4 capture channels while
previous firmware has only 2 capture channels.

Closes: https://github.com/alsa-project/alsa-ucm-conf/pull/554
Fixes: https://github.com/alsa-project/alsa-ucm-conf/issues/547
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
This commit is contained in:
Jaroslav Kysela 2025-04-24 13:21:10 +02:00
commit 2ecc938e1f
2 changed files with 15 additions and 6 deletions
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6
ucm2/USB-Audio/Steinberg/UR22C-HiFi.conf
View file

@ -6,7 +6,7 @@ Macro [
Name "steinberg_ur22c_mono_in"
Direction Capture
Channels 1
HWChannels 4
HWChannels "${var:DirectCaptureChannels}"
HWChannelPos0 MONO
HWChannelPos1 MONO
}
@ -31,7 +31,7 @@ SectionDevice."Line 2" {
Macro.pcm_split.SplitPCMDevice {
Name "steinberg_ur22c_mono_in"
Direction Capture
HWChannels 4
HWChannels "${var:DirectCaptureChannels}"
Channels 1
Channel0 0
ChannelPos0 MONO
@ -47,7 +47,7 @@ SectionDevice."Line 3" {
Macro.pcm_split.SplitPCMDevice {
Name "steinberg_ur22c_mono_in"
Direction Capture
HWChannels 4
HWChannels "${var:DirectCaptureChannels}"
Channels 1
Channel0 1
ChannelPos0 MONO

15
ucm2/USB-Audio/Steinberg/UR22C.conf
View file

@ -1,11 +1,20 @@
Comment "Steinberg UR22C USB-Audio"
Define.DirectPlaybackChannels 2
Define.DirectCaptureChannels 4
If.fw {
Condition {
Type RegexMatch
String "${sys-card:device/../bcdDevice}"
Match "0[12]??"
}
True.Define.DirectCaptureChannels 2
}
SectionUseCase."HiFi" {
Comment "HiFi"
File "/USB-Audio/Steinberg/UR22C-HiFi.conf"
}
Define.DirectPlaybackChannels 2
Define.DirectCaptureChannels 2
Include.dhw.File "/common/direct.conf"