Sound on iMac 27″ 2019 running Ubuntu 26.04 LTS

I have tried a few common suggestions from this forum, Reddit, and ChatGPT to make sound work on the described setup, with no luck. Where I am at the moment:

$ sudo dmesg | grep -i hda
[sudo: authenticate] Password:         
[    0.000000] Command line: BOOT_IMAGE=/vmlinuz-7.0.0-14-generic root=/dev/mapper/ubuntu--vg-ubuntu--lv ro quiet splash snd_hda_intel.model=generic snd-intel-dspcfg.dsp_driver=1 crashkernel=2G-4G:320M,4G-32G:512M,32G-64G:1024M,64G-128G:2048M,128G-:4096M
[    0.023215] Kernel command line: BOOT_IMAGE=/vmlinuz-7.0.0-14-generic root=/dev/mapper/ubuntu--vg-ubuntu--lv ro quiet splash snd_hda_intel.model=generic snd-intel-dspcfg.dsp_driver=1 crashkernel=2G-4G:320M,4G-32G:512M,32G-64G:1024M,64G-128G:2048M,128G-:4096M
[   10.393707] snd_hda_intel 0000:01:00.1: enabling device (0000 -> 0002)
[   10.393786] snd_hda_intel 0000:01:00.1: Force to non-snoop mode
[   10.429727] snd_hda_codec_generic hdaudioC0D0: autoconfig for Generic: line_outs=2 (0x24/0x25/0x0/0x0/0x0) type:speaker
[   10.429732] snd_hda_codec_generic hdaudioC0D0:    speaker_outs=0 (0x0/0x0/0x0/0x0/0x0)
[   10.429735] snd_hda_codec_generic hdaudioC0D0:    hp_outs=1 (0x2c/0x0/0x0/0x0/0x0)
[   10.429737] snd_hda_codec_generic hdaudioC0D0:    mono: mono_out=0x0
[   10.429738] snd_hda_codec_generic hdaudioC0D0:    inputs:
[   10.429740] snd_hda_codec_generic hdaudioC0D0:      Internal Mic=0x45
[   10.429741] snd_hda_codec_generic hdaudioC0D0:      Mic=0x3c
[   10.855416] input: HDA ATI HDMI HDMI/DP,pcm=3 as /devices/pci0000:00/0000:00:01.0/0000:01:00.1/sound/card1/input8
[   10.885451] input: HDA ATI HDMI HDMI/DP,pcm=7 as /devices/pci0000:00/0000:00:01.0/0000:01:00.1/sound/card1/input9
[   10.891416] input: HDA ATI HDMI HDMI/DP,pcm=8 as /devices/pci0000:00/0000:00:01.0/0000:01:00.1/sound/card1/input10
[   11.014408] input: HDA ATI HDMI HDMI/DP,pcm=9 as /devices/pci0000:00/0000:00:01.0/0000:01:00.1/sound/card1/input11
[   11.045422] input: HDA ATI HDMI HDMI/DP,pcm=10 as /devices/pci0000:00/0000:00:01.0/0000:01:00.1/sound/card1/input12
[   11.169419] input: HDA ATI HDMI HDMI/DP,pcm=11 as /devices/pci0000:00/0000:00:01.0/0000:01:00.1/sound/card1/input13
[   11.292431] input: HDA ATI HDMI HDMI/DP,pcm=12 as /devices/pci0000:00/0000:00:01.0/0000:01:00.1/sound/card1/input14
[   14.836058] snd_hda_intel 0000:01:00.1: bound 0000:01:00.0 (ops amdgpu_dm_audio_component_bind_ops [amdgpu])

I have set up grub as follows:

GRUB_CMDLINE_LINUX_DEFAULT="quiet splash snd_hda_intel.model=generic snd-intel-dspcfg.dsp_driver=1"

I hope this is enough information. Is my setup too new? Does anyone have experience with this and can help? Thanks a lot!