where to find the file "sof-lnl-rt722-l0-2ch.tplg"? -- no sound in Ubuntu24.04.2

[wu-xuemin]

There is no sound on my laptop (intel LNL: Intel(R) Core(TM) Ultra 7 268V, Ubuntu 24.04.2). It doesn't seem to be a hardware problem, since it works in Windows.
There is no sound on my laptop (intel LNL: Intel(R) Core(TM) Ultra 7 268V, Ubuntu 24.04.2). It doesn't seem to be a hardware problem, since it works in Windows.

dmesg |grep -E "sof|sound" results:
[ 0.732154] software IO TLB: mapped [mem 0x000000005bbbf000-0x000000005fbbf000] (64MB)
[ 2.179235] sof-audio-pci-intel-lnl 0000:00:1f.3: enabling device (0000 -> 0002)
[ 2.179286] sof-audio-pci-intel-lnl 0000:00:1f.3: DSP detected with PCI class/subclass/prog-if 0x040100
[ 2.604449] sof-audio-pci-intel-lnl 0000:00:1f.3: bound 0000:00:02.0 (ops i915_audio_component_bind_ops [xe])
[ 2.611662] sof-audio-pci-intel-lnl 0000:00:1f.3: use msi interrupt mode
[ 2.625483] sof-audio-pci-intel-lnl 0000:00:1f.3: DMICs detected in NHLT tables: 2
[ 2.625486] sof-audio-pci-intel-lnl 0000:00:1f.3: hda codecs found, mask 4
[ 2.628531] sof-audio-pci-intel-lnl 0000:00:1f.3: SOF firmware and/or topology file not found.
[ 2.628535] sof-audio-pci-intel-lnl 0000:00:1f.3: Supported default profiles
[ 2.628536] sof-audio-pci-intel-lnl 0000:00:1f.3: - ipc type 1 (Requested):

[ 2.628537] sof-audio-pci-intel-lnl 0000:00:1f.3: Firmware file: intel/sof-ipc4/lnl/sof-lnl.ri
[ 2.628537] sof-audio-pci-intel-lnl 0000:00:1f.3: Topology file: intel/sof-ipc4-tplg/sof-lnl-rt722-l0-2ch.tplg
[ 2.628538] sof-audio-pci-intel-lnl 0000:00:1f.3: Check if you have 'sof-firmware' package installed.

[ 2.628538] sof-audio-pci-intel-lnl 0000:00:1f.3: Optionally it can be manually downloaded from:
[ 2.628539] sof-audio-pci-intel-lnl 0000:00:1f.3: https://github.com/thesofproject/sof-bin/
[ 3.132464] soundwire_intel soundwire_intel.link.0: IO transfer timed out, cmd 3 device 6 addr 8010 len 1
[ 3.132508] soundwire sdw-master-0-0: trf on Slave 6 failed:-110 write addr 8010 count 0

i have downloaded and checked the latest SOF project, and there is no file named "sof-lnl-rt722-l0-2ch.tplg",
where can i find it?
Thank you.

[wu-xuemin]

duplicated post