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Cant get sound to work on Lenovo Chromebook Flex 5 running debian with mrchromebox's custom firmware

Graphical Environments, Managers, Multimedia & Desktop questions.
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znade
Posts: 1
Joined: 2021-12-01 23:23

Cant get sound to work on Lenovo Chromebook Flex 5 running debian with mrchromebox's custom firmware

#1 Post by znade »

cant get sound to work :( i tired solving it with this https://www.reddit.com/r/chrultrabook/c ... flex_5_cb/ but it didnt work, i think its because it cant find any hardware playback devices for whatever reason.

and yes the sound did work when it was running chromeOS.

im on bookworm, and i installed the firmware-sof-signed package (version 1.9.1) but it still dosent work.

lspci | grep -i audio produces:
00:1f.3 Multimedia audio controller: Intel Corporation Comet Lake PCH-LP cAVS

aplay -l produces:
aplay: device_list:274: no soundcards found...

cat /proc/asound/cards produces:
--- no soundcards ---

relevant output from sudo alsa-info:

!!ALSA/HDA dmesg
!!--------------

[ 0.270075] ACPI: Added _OSI(Linux-Dell-Video)
[ 0.270075] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio)
[ 0.270075] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics)
--
[ 16.581602] </TASK>
[ 16.581603] Modules linked in: snd_timer(+) acpi_als(+) cros_ec_typec(+) intel_soc_dts_iosf roles industrialio_triggered_buffer kfifo_buf snd pcc_cpufreq(-) int3403_thermal typec int34>
[ 16.581656] CR2: 0000000000000070
--
[ 16.809102] hid-multitouch 0018:27C6:0E33.0001: input,hidraw0: I2C HID v1.00 Device [GDIX0000:00 27C6:0E33] on i2c-GDIX0000:00
[ 16.816396] snd_hda_intel 0000:00:1f.3: DSP detected with PCI class/subclass/prog-if info 0x040100
--
[ 17.201488] usbcore: registered new interface driver ath3k
[ 17.207929] sof-audio-pci-intel-cnl 0000:00:1f.3: DSP detected with PCI class/subclass/prog-if info 0x040100
[ 17.208370] sof-audio-pci-intel-cnl 0000:00:1f.3: DSP detected with PCI class/subclass/prog-if 0x040100
[ 17.208646] sof-audio-pci-intel-cnl 0000:00:1f.3: bound 0000:00:02.0 (ops i915_audio_component_bind_ops [i915])
[ 17.215842] sof-audio-pci-intel-cnl 0000:00:1f.3: use msi interrupt mode
[ 17.239870] sof-audio-pci-intel-cnl 0000:00:1f.3: hda codecs found, mask 4
[ 17.246592] sof-audio-pci-intel-cnl 0000:00:1f.3: firmware: direct-loading firmware intel/sof/community/sof-cml.ri
[ 17.246622] sof-audio-pci-intel-cnl 0000:00:1f.3: Firmware info: version 1:9:0-fa857
[ 17.246626] sof-audio-pci-intel-cnl 0000:00:1f.3: Firmware: ABI 3:19:0 Kernel ABI 3:18:0
[ 17.246629] sof-audio-pci-intel-cnl 0000:00:1f.3: warn: FW ABI is more recent than kernel
[ 17.246635] sof-audio-pci-intel-cnl 0000:00:1f.3: unknown sof_ext_man header type 3 size 0x30
--
[ 18.154904] sof-audio-pci-intel-cnl 0000:00:1f.3: error: cl_dsp_init: timeout HDA_DSP_SRAM_REG_ROM_STATUS read
[ 18.154953] sof-audio-pci-intel-cnl 0000:00:1f.3: error: extended rom status: 0x6000021 0x0 0x0 0x0 0x0 0x0 0x1811102 0x0
[ 18.155498] sof-audio-pci-intel-cnl 0000:00:1f.3: error: dsp init failed after 3 attempts with err: -110
[ 18.155552] sof-audio-pci-intel-cnl 0000:00:1f.3: error: failed to reset DSP
[ 18.155558] sof-audio-pci-intel-cnl 0000:00:1f.3: error: failed to boot DSP firmware -110
[ 18.160085] sof-audio-pci-intel-cnl 0000:00:1f.3: error: sof_probe_work failed err: -110
[ 25.282404] wlp1s0: authenticate with c4:ea:1d:54:2f:01

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