The only workaround I have used is to switch to RPi OS, rather than Ubuntu, which is disappointing.
On Sat, Nov 30, 2024 at 11:25 PM TuxIT09 <2055...@bugs.launchpad.net> wrote: > Any workaround for this? > > -- > You received this bug notification because you are subscribed to the bug > report. > https://bugs.launchpad.net/bugs/2055479 > > Title: > I2S DAC not loading > > Status in alsa-driver package in Ubuntu: > Confirmed > > Bug description: > I am attempting to add an I2S DAC for line level output on a Raspberry > Pi 5. > > The hardware is a Pimoroni Audio DAC Shim which uses the > dtoverlay=hifiberry-dac > > The hardware, when used with Raspberry Pi OS (Bookworm) configured per > instructions works fine, this I2S output DAC appears in the sound > output selector pull-down, line-out works, so hardware and connections > are good. > > When installed and configured on Ubuntu 23.10 Desktop, fully updated > to current, the I2S DAC output does appear in the sound pull-down > selector window, so the I2S DAC output can not be selected, and is not > functional. > > Configuration consists of adding the following to the > /boot/firmware/config.txt file: > dtparam=i2s=on > dtoverlay=hifiberry-dac > > When a user signs into Ubuntu, a pair of error messages appears 25 > times in the CLI ttyAMA10 output: > > [ 23.126215] designware-i2s 1f000a0000.i2s: ASoC: error at > snd_soc_dai_set_bclk_ratio on 1f000a0000.i2s: -22 > > [ 23.136303] HifiBerry DAC: ASoC: error at snd_soc_link_hw_params > on HifiBerry DAC: -22 > > This seems to reference some kind of failure to initialize an I2S bit > clock ratio parameter on the part of designware-i2s, which causes > HiFiBerry DAC to error out. > > > ~$ lsb_release -rd > No LSB modules are available. > Description: Ubuntu 23.10 > Release: 23.10 > > All updates are current as of 2024 FEB 29 > the dtoverlay=hifiberry-dac is the one distributed with the Ubuntu 23.10 > Desktop release. > > ProblemType: Bug > DistroRelease: Ubuntu 23.10 > Package: alsa-base 1.0.25+dfsg-0ubuntu7 > ProcVersionSignature: Ubuntu 6.5.0-1011.14-raspi 6.5.8 > Uname: Linux 6.5.0-1011-raspi aarch64 > ApportVersion: 2.27.0-0ubuntu5 > Architecture: arm64 > AudioDevicesInUse: > USER PID ACCESS COMMAND > /dev/snd/controlC1: graham 1907 F.... wireplumber > /dev/snd/seq: graham 1894 F.... pipewire > CasperMD5CheckResult: unknown > CurrentDesktop: ubuntu:GNOME > Date: Thu Feb 29 16:08:26 2024 > PackageArchitecture: all > ProcEnviron: > LANG=C.UTF-8 > PATH=(custom, no user) > SHELL=/bin/bash > TERM=xterm-256color > XDG_RUNTIME_DIR=<set> > SourcePackage: alsa-driver > Symptom: audio > UpgradeStatus: No upgrade log present (probably fresh install) > > To manage notifications about this bug go to: > > https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/2055479/+subscriptions > > -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2055479 Title: I2S DAC not loading To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/2055479/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs