alsa-project/alsa-ucm-conf issue #652 was opened from fixed77:

The Rear Microphone is detected as Line In when I plug in my mic. There is no sound from the microphone. I don't use the Front Audio connection as my case doesn't have I/O for it, I just used the 2 audio ports in the rear.

Motherboard: Asus ROG Crosshair X870E hero Audio Device: ALC4082 Distro: Ubuntu 24.04 Window Manager: Gnome-Shell Packages: ``` alsa-base/noble,noble,now 1.0.25+dfsg-0ubuntu7 alsa-topology-conf/noble,noble,now 1.2.5.1-2 alsa-ucm-conf/noble-updates,noble-updates,now 1.2.10-1ubuntu5.7 alsa-utils/noble,now 1.2.9-1ubuntu5 gstreamer1.0-alsa/noble-updates,noble-security,now 1.24.2-1ubuntu0.3 gstreamer1.0-pipewire/noble-updates,now 1.0.5-1ubuntu3.1 gstreamer1.0-pulseaudio/noble-updates,noble-security,now 1.24.2-1ubuntu1.2 libpipewire-0.3-0t64/noble-updates,now 1.0.5-1ubuntu3.1 libpipewire-0.3-common/noble-updates,noble-updates,now 1.0.5-1ubuntu3.1 libpipewire-0.3-modules/noble-updates,now 1.0.5-1ubuntu3.1 pipewire-alsa/noble-updates,now 1.0.5-1ubuntu3.1 pipewire-audio/noble-updates,noble-updates,now 1.0.5-1ubuntu3.1 pipewire-bin/noble-updates,now 1.0.5-1ubuntu3.1 pipewire-pulse/noble-updates,now 1.0.5-1ubuntu3.1 pipewire/noble-updates,now 1.0.5-1ubuntu3.1 pulseaudio-utils/noble-updates,now 1:16.1+dfsg1-2ubuntu10.1 ```

`lsusb | grep -i audio` ``` Bus 001 Device 009: ID 0b05:1b7c ASUSTek Computer, Inc. USB Audio ```

`alsactl monitor` (unplugging and plugging mic) ``` node hw:2, #12 (0,0,0,Line - Input Jack,0) VALUE node hw:2, #12 (0,0,0,Line - Input Jack,0) VALUE node hw:2, #12 (0,0,0,Line - Input Jack,0) VALUE node hw:2, #12 (0,0,0,Line - Input Jack,0) VALUE ```

`amixer -c 2 contents` ``` numid=8,iface=CARD,name='Analog In - Input Jack' ; type=BOOLEAN,access=r-------,values=1 : values=on numid=11,iface=CARD,name='Clock Source 1 Validity' ; type=BOOLEAN,access=r-------,values=1 : values=on numid=15,iface=CARD,name='Clock Source 3 Validity' ; type=BOOLEAN,access=r-------,values=1 : values=on numid=19,iface=CARD,name='Clock Source 4 Validity' ; type=BOOLEAN,access=r-------,values=1 : values=on numid=22,iface=CARD,name='Clock Source 5 Validity' ; type=BOOLEAN,access=r-------,values=1 : values=on numid=26,iface=CARD,name='Clock Source 7 Validity' ; type=BOOLEAN,access=r-------,values=1 : values=on numid=29,iface=CARD,name='Clock Source 8 Validity' ; type=BOOLEAN,access=r-------,values=1 : values=on numid=27,iface=CARD,name='Headphone - Output Jack' ; type=BOOLEAN,access=r-------,values=1 : values=off numid=30,iface=CARD,name='IEC958 In - Output Jack' ; type=BOOLEAN,access=r-------,values=1 : values=on numid=12,iface=CARD,name='Line - Input Jack' ; type=BOOLEAN,access=r-------,values=1 : values=on numid=16,iface=CARD,name='Mic - Input Jack' ; type=BOOLEAN,access=r-------,values=1 : values=off numid=23,iface=CARD,name='Speaker - Output Jack' ; type=BOOLEAN,access=r-------,values=1 : values=on numid=20,iface=MIXER,name='PCM Playback Switch' ; type=BOOLEAN,access=rw------,values=1 : values=on numid=24,iface=MIXER,name='PCM Playback Switch',index=1 ; type=BOOLEAN,access=rw------,values=1 : values=off numid=28,iface=MIXER,name='PCM Playback Switch',index=2 ; type=BOOLEAN,access=rw------,values=1 : values=on numid=21,iface=MIXER,name='PCM Playback Volume' ; type=INTEGER,access=rw---R--,values=8,min=0,max=87,step=0 : values=56,56,56,56,56,56,56,56 | dBminmax-min=-65.25dB,max=0.00dB numid=25,iface=MIXER,name='PCM Playback Volume',index=1 ; type=INTEGER,access=rw---R--,values=2,min=0,max=255,step=0 : values=215,215 | dBminmax-min=-127.50dB,max=0.00dB numid=13,iface=MIXER,name='Line Capture Switch' ; type=BOOLEAN,access=rw------,values=1 : values=on numid=14,iface=MIXER,name='Line Capture Volume' ; type=INTEGER,access=rw---R--,values=2,min=0,max=39,step=0 : values=39,39 | dBminmax-min=-17.25dB,max=12.00dB numid=17,iface=MIXER,name='Mic Capture Switch' ; type=BOOLEAN,access=rw------,values=1 : values=off numid=18,iface=MIXER,name='Mic Capture Volume' ; type=INTEGER,access=rw---R--,values=2,min=0,max=39,step=0 : values=39,39 | dBminmax-min=-17.25dB,max=12.00dB numid=9,iface=MIXER,name='Analog In Capture Switch' ; type=BOOLEAN,access=rw------,values=1 : values=on numid=10,iface=MIXER,name='Analog In Capture Volume' ; type=INTEGER,access=rw---R--,values=2,min=0,max=39,step=0 : values=39,39 | dBminmax-min=-17.25dB,max=12.00dB numid=1,iface=PCM,name='Capture Channel Map' ; type=INTEGER,access=r--v-R--,values=2,min=0,max=36,step=0 : values=0,0 | container | chmap-fixed=FL,FR numid=4,iface=PCM,name='Playback Channel Map' ; type=INTEGER,access=r--v-R--,values=2,min=0,max=36,step=0 : values=3,4 | container | chmap-fixed=FL,FR | chmap-fixed=FL,FR,RL,RR | chmap-fixed=FL,FR,FC,LFE,RL,RR | chmap-fixed=FL,FR,FC,LFE,RL,RR,SL,SR numid=2,iface=PCM,name='Capture Channel Map',device=1 ; type=INTEGER,access=r--v-R--,values=2,min=0,max=36,step=0 : values=3,4 | container | chmap-fixed=FL,FR numid=5,iface=PCM,name='Playback Channel Map',device=1 ; type=INTEGER,access=r--v-R--,values=2,min=0,max=36,step=0 : values=0,0 | container | chmap-fixed=FL,FR numid=3,iface=PCM,name='Capture Channel Map',device=2 ; type=INTEGER,access=r--v-R--,values=2,min=0,max=36,step=0 : values=0,0 | container | chmap-fixed=FL,FR numid=6,iface=PCM,name='Playback Channel Map',device=2 ; type=INTEGER,access=r--v-R--,values=2,min=0,max=36,step=0 : values=0,0 | container | chmap-fixed=FL,FR numid=7,iface=PCM,name='Playback Channel Map',device=3 ; type=INTEGER,access=r--v-R--,values=2,min=0,max=36,step=0 : values=0,0 | container | chmap-fixed=FL,FR ```

`arecord -l` ``` **** List of CAPTURE Hardware Devices **** card 2: Audio [USB Audio], device 0: USB Audio [USB Audio] Subdevices: 1/1 Subdevice #0: subdevice #0 card 2: Audio [USB Audio], device 1: USB Audio [USB Audio #1] Subdevices: 0/1 Subdevice #0: subdevice #0 card 2: Audio [USB Audio], device 2: USB Audio [USB Audio #2] Subdevices: 1/1 Subdevice #0: subdevice #0 ```

`alsaucm -c hw:2 dump text` ``` Verb.HiFi { Comment "HiFi 2.0 channels" Device.Speaker { Comment Speakers Values { CaptureCTL "_ucm0001.hw:Audio" JackControl "Speaker - Output Jack" PlaybackCTL "_ucm0001.hw:Audio" PlaybackChannels 2 PlaybackMixerElem PCM,0 PlaybackPCM "_ucm0001.hw:Audio" PlaybackPriority 200 TQ HiFi } } Device.Headphones { Comment "Front Headphones" Values { CaptureCTL "_ucm0001.hw:Audio" JackControl "Headphone - Output Jack" PlaybackCTL "_ucm0001.hw:Audio" PlaybackMixerElem PCM,1 PlaybackPCM "_ucm0001.hw:Audio,1" PlaybackPriority 300 TQ HiFi } } Device.SPDIF { Comment "S/PDIF Output" Values { CaptureCTL "_ucm0001.hw:Audio" PlaybackCTL "_ucm0001.hw:Audio" PlaybackMixerElem PCM,2 PlaybackPCM "_ucm0001.hw:Audio,3" PlaybackPriority 100 TQ HiFi } } Device.Line1 { Comment "Line Input" Values { CaptureCTL "_ucm0001.hw:Audio" CaptureMixerElem Line,0 CapturePCM "_ucm0001.hw:Audio,1" CapturePriority 100 JackControl "Line - Input Jack" PlaybackCTL "_ucm0001.hw:Audio" TQ HiFi } } Device.Mic1 { Comment Microphone Values { CaptureCTL "_ucm0001.hw:Audio" CaptureMixerElem Mic,0 CapturePCM "_ucm0001.hw:Audio,2" CapturePriority 300 JackControl "Mic - Input Jack" PlaybackCTL "_ucm0001.hw:Audio" TQ HiFi } } } Verb."HiFi 5+1" { Comment "HiFi 5.1 channels" Device.Speaker { Comment Speakers Values { CaptureCTL "_ucm0001.hw:Audio" JackControl "Speaker - Output Jack" PlaybackCTL "_ucm0001.hw:Audio" PlaybackChannels 6 PlaybackMixerElem PCM,0 PlaybackPCM "_ucm0001.hw:Audio" PlaybackPriority 200 TQ HiFi } } Device.Headphones { Comment "Front Headphones" Values { CaptureCTL "_ucm0001.hw:Audio" JackControl "Headphone - Output Jack" PlaybackCTL "_ucm0001.hw:Audio" PlaybackMixerElem PCM,1 PlaybackPCM "_ucm0001.hw:Audio,1" PlaybackPriority 300 TQ HiFi } } Device.SPDIF { Comment "S/PDIF Output" Values { CaptureCTL "_ucm0001.hw:Audio" PlaybackCTL "_ucm0001.hw:Audio" PlaybackMixerElem PCM,2 PlaybackPCM "_ucm0001.hw:Audio,3" PlaybackPriority 100 TQ HiFi } } Device.Line1 { Comment "Line Input" Values { CaptureCTL "_ucm0001.hw:Audio" CaptureMixerElem Line,0 CapturePCM "_ucm0001.hw:Audio,1" CapturePriority 100 JackControl "Line - Input Jack" PlaybackCTL "_ucm0001.hw:Audio" TQ HiFi } } Device.Mic1 { Comment Microphone Values { CaptureCTL "_ucm0001.hw:Audio" CaptureMixerElem Mic,0 CapturePCM "_ucm0001.hw:Audio,2" CapturePriority 300 JackControl "Mic - Input Jack" PlaybackCTL "_ucm0001.hw:Audio" TQ HiFi } } } Verb."HiFi 7+1" { Comment "HiFi 7.1 channels" Device.Speaker { Comment Speakers Values { CaptureCTL "_ucm0001.hw:Audio" JackControl "Speaker - Output Jack" PlaybackCTL "_ucm0001.hw:Audio" PlaybackChannels 8 PlaybackMixerElem PCM,0 PlaybackPCM "_ucm0001.hw:Audio" PlaybackPriority 200 TQ HiFi } } Device.Headphones { Comment "Front Headphones" Values { CaptureCTL "_ucm0001.hw:Audio" JackControl "Headphone - Output Jack" PlaybackCTL "_ucm0001.hw:Audio" PlaybackMixerElem PCM,1 PlaybackPCM "_ucm0001.hw:Audio,1" PlaybackPriority 300 TQ HiFi } } Device.SPDIF { Comment "S/PDIF Output" Values { CaptureCTL "_ucm0001.hw:Audio" PlaybackCTL "_ucm0001.hw:Audio" PlaybackMixerElem PCM,2 PlaybackPCM "_ucm0001.hw:Audio,3" PlaybackPriority 100 TQ HiFi } } Device.Line1 { Comment "Line Input" Values { CaptureCTL "_ucm0001.hw:Audio" CaptureMixerElem Line,0 CapturePCM "_ucm0001.hw:Audio,1" CapturePriority 100 JackControl "Line - Input Jack" PlaybackCTL "_ucm0001.hw:Audio" TQ HiFi } } Device.Mic1 { Comment Microphone Values { CaptureCTL "_ucm0001.hw:Audio" CaptureMixerElem Mic,0 CapturePCM "_ucm0001.hw:Audio,2" CapturePriority 300 JackControl "Mic - Input Jack" PlaybackCTL "_ucm0001.hw:Audio" TQ HiFi } } } ```

[alsa-info.txt](https://github.com/user-attachments/files/23915492/alsa-info.txt)

Issue URL : https://github.com/alsa-project/alsa-ucm-conf/issues/652 Repository URL: https://github.com/alsa-project/alsa-ucm-conf