hi @Andreas,
a) OK, I've changed version the to 1.2.9-1ubuntu3.1 and attaching the debdiff.
(I just thought it had to be changed since Noble's version was bumped, but 
happy to keep it)

b) The error was resolved by running with the sudo. Installing the package on 
other systems without this sound card works OK without errors.
Pardon, I haven't addressed that earlier.

** Patch added: "alsa-ucm-conf_1.2.9-1ubuntu3.1.debdiff"
   
https://bugs.launchpad.net/ubuntu/+source/alsa-ucm-conf/+bug/2042902/+attachment/5725820/+files/alsa-ucm-conf_1.2.9-1ubuntu3.1.debdiff

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You received this bug notification because you are a member of Kernel
Packages, which is subscribed to alsa-ucm-conf in Ubuntu.
https://bugs.launchpad.net/bugs/2042902

Title:
  ucm2: soundwire: add rt713 SDCA device

Status in OEM Priority Project:
  In Progress
Status in alsa-ucm-conf package in Ubuntu:
  Fix Released
Status in alsa-ucm-conf source package in Jammy:
  Incomplete
Status in alsa-ucm-conf source package in Lunar:
  Incomplete
Status in alsa-ucm-conf source package in Mantic:
  Incomplete
Status in alsa-ucm-conf source package in Noble:
  Fix Released

Bug description:
  [ Impact ]
  Affects devices with SoundWire-Audio Codec-ALC713 and SoundWire-Jack 
Codec-ALC713.
  Without correct configurations in userspace above codecs cannot be used. Thus 
in Settings > Sound > Output test doesn't produce sounds and Input device is 
greyed out.

  [ Fix ]
  Adding rt713 config files in ucm2 will allow to utilize those codecs.
  Upstream commit added support: 
https://github.com/alsa-project/alsa-ucm-conf/pull/363

  [ Test Plan ]
  Device with the soundwire card

  $ cat /proc/asound/cards
   0 [sofsoundwire   ]: sof-soundwire - sof-soundwire
                        Intel Soundwire SOF

  Before fix:

  1. $ alsactl init
  alsa-lib utils.c:364:(uc_mgr_config_load_into) could not open configuration 
file /usr/share/alsa/ucm2/sof-soundwire/rt713.conf
  alsa-lib parser.c:77:(uc_mgr_config_load_file) error: failed to open file 
/usr/share/alsa/ucm2/sof-soundwire/rt713.conf: -2
  alsa-lib main.c:1412:(snd_use_case_mgr_open) error: failed to import hw:0 use 
case configuration -2
  Found hardware: "sof-soundwire" "Intel Meteorlake HDMI" 
"HDA:8086281d,80860101,00100000 cfg-spk:2 cfg-amp:2 hs:rt713-sdca spk:rt1316 
mic:rt713-dmic" "" ""
  Hardware is initialized using a generic method

  2. $ amixer contents
  ...
  numid=24,iface=MIXER,name='Headphone Switch'
    ; type=BOOLEAN,access=rw------,values=1
    : values=off
  ...
  numid=33,iface=MIXER,name='IEC958 Playback Switch'
    ; type=BOOLEAN,access=rw------,values=1
    : values=off

  After fix: after adding patch files

  1. $ alsactl init
  alsa-lib main.c:779:(execute_sequence) exec '/bin/rm -rf 
/var/lib/alsa/card0.conf.d' failed (exit code 1)

  (note: assuming that failed to remove the empty directory is not a
  critical problem)

  2. $ amixer contents
  ...
  numid=24,iface=MIXER,name='Headphone Switch'
    ; type=BOOLEAN,access=rw------,values=1
    : values=on
  ...
  numid=33,iface=MIXER,name='IEC958 Playback Switch'
    ; type=BOOLEAN,access=rw------,values=1
    : values=on

  [Where problems could occur]

   * This change adds new hardware support.

   * The change only adds new hardware support,
     it will not affect other codec device.

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