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I just recently installed Ubuntu 20.04 on a new desktop and making the jack connection (with or without using a splitter) work for sound with mic seems impossible.

I want to use my headphones to hear audio and also communicate using the headphone's mic, but it is not working so far.

I have tried everything:

  • Upgraded kernel to 5.7.1
  • Clearing pulse config; rm -rf ~/.config/pulse/.
  • Killing pulseaudio reloading ALSA; pulseaudio -k && sudo alsa force-reload
  • Finding my Audio Codec (ALC1220->dual-codecs for gaming mobos) and adding the following mapping: options snd-hda-intel model=dual-codecs to: /etc/modprobe.d/alsa-base.conf.
  • Installing and using pavucontrol.
  • alsactl restore.
  • apt-get update/upgrade/dist-upgrade
  • shutdown/rebooting several times.

The Mic is detected now but not the headset:

enter image description here

Hardware:

Motherboard: ROG Strix X570-I (specifications)

  • SupremeFX 8-Channel HD Audio CODEC S1220A (Supports: Jack-detection, Front Panel Jack-retasking)

Headphones: Sennheiser HD 450BT Headphones (specifications)

  • connectivity: Bluetooth v4.0/NFC pairing

lspci | grep Audio:

0b:00.1 Audio device: Advanced Micro Devices, Inc. [AMD/ATI] Navi 10 HDMI Audio
0d:00.4 Audio device: Advanced Micro Devices, Inc. [AMD] Starship/Matisse HD Audio Controller

cat /proc/asound/cards

 0 [HDMI           ]: HDA-Intel - HDA ATI HDMI
                      HDA ATI HDMI at 0xfcda0000 irq 138
 1 [Generic        ]: HDA-Intel - HD-Audio Generic
                      HD-Audio Generic at 0xfcc00000 irq 140

dmesg | grep codec

[    3.102699] snd_hda_codec_realtek hdaudioC1D0: autoconfig for ALC1220: line_outs=1 (0x14/0x0/0x0/0x0/0x0) type:line
[    3.102701] snd_hda_codec_realtek hdaudioC1D0:    speaker_outs=0 (0x0/0x0/0x0/0x0/0x0)
[    3.102702] snd_hda_codec_realtek hdaudioC1D0:    hp_outs=1 (0x1b/0x0/0x0/0x0/0x0)
[    3.102703] snd_hda_codec_realtek hdaudioC1D0:    mono: mono_out=0x0
[    3.102703] snd_hda_codec_realtek hdaudioC1D0:    inputs:
[    3.102705] snd_hda_codec_realtek hdaudioC1D0:      Front Mic=0x19
[    3.102706] snd_hda_codec_realtek hdaudioC1D0:      Rear Mic=0x18
[    3.102707] snd_hda_codec_realtek hdaudioC1D0:      Line=0x1a

cat /etc/modprobe.d/alsa-base.conf:

# autoloader aliases
install sound-slot-0 /sbin/modprobe snd-card-0
install sound-slot-1 /sbin/modprobe snd-card-1
install sound-slot-2 /sbin/modprobe snd-card-2
install sound-slot-3 /sbin/modprobe snd-card-3
install sound-slot-4 /sbin/modprobe snd-card-4
install sound-slot-5 /sbin/modprobe snd-card-5
install sound-slot-6 /sbin/modprobe snd-card-6
install sound-slot-7 /sbin/modprobe snd-card-7

Cause optional modules to be loaded above generic modules


install snd /sbin/modprobe --ignore-install snd $CMDLINE_OPTS && { /sbin/modprobe --quiet --use-blacklist snd-ioctl32 ; /sbin/modprobe --quiet --use-blacklist snd-seq ; }




Workaround at bug #499695 (reverted in Ubuntu see LP #319505)


install snd-pcm /sbin/modprobe --ignore-install snd-pcm $CMDLINE_OPTS && { /sbin/modprobe --quiet --use-blacklist snd-pcm-oss ; : ; }
install snd-mixer /sbin/modprobe --ignore-install snd-mixer $CMDLINE_OPTS && { /sbin/modprobe --quiet --use-blacklist snd-mixer-oss ; : ; }
install snd-seq /sbin/modprobe --ignore-install snd-seq $CMDLINE_OPTS && { /sbin/modprobe --quiet --use-blacklist snd-seq-midi ; /sbin/modprobe --quiet --use-blacklist snd-seq-oss ; : ; }




install snd-rawmidi /sbin/modprobe --ignore-install snd-rawmidi $CMDLINE_OPTS && { /sbin/modprobe --quiet --use-blacklist snd-seq-midi ; : ; }


Cause optional modules to be loaded above sound card driver modules


install snd-emu10k1 /sbin/modprobe --ignore-install snd-emu10k1 $CMDLINE_OPTS && { /sbin/modprobe --quiet --use-blacklist snd-emu10k1-synth ; }
install snd-via82xx /sbin/modprobe --ignore-install snd-via82xx $CMDLINE_OPTS && { /sbin/modprobe --quiet --use-blacklist snd-seq ; }


Load saa7134-alsa instead of saa7134 (which gets dragged in by it anyway)


install saa7134 /sbin/modprobe --ignore-install saa7134 $CMDLINE_OPTS && { /sbin/modprobe --quiet --use-blacklist saa7134-alsa ; : ; }


Prevent abnormal drivers from grabbing index 0


options bt87x index=-2
options cx88_alsa index=-2
options saa7134-alsa index=-2
options snd-atiixp-modem index=-2
options snd-intel8x0m index=-2
options snd-via82xx-modem index=-2
options snd-usb-audio index=-2
options snd-usb-caiaq index=-2
options snd-usb-ua101 index=-2
options snd-usb-us122l index=-2
options snd-usb-usx2y index=-2


Ubuntu #62691, enable MPU for snd-cmipci


options snd-cmipci mpu_port=0x330 fm_port=0x388


Keep snd-pcsp from being loaded as first soundcard


options snd-pcsp index=-2


Keep snd-usb-audio from beeing loaded as first soundcard


options snd-usb-audio index=-2


Add audio for ALC1220 (gaming mobos)


options snd-hda-intel position fix=1
options snd-hda-intel model=dual-codecs
U-ways
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