Public bug reported:
Ubuntu Release: Ubuntu 24.04.4 LTS
Kernel: 6.17.0-14-generic
SOF Firmware package: firmware-sof-signed 2023.12.1-1ubuntu1.10
Hardware: Dell Alienware 18 Area-51 AA18250
Intel Audio Chipset: 8086:7F50 (Arrow Lake, ARL-S)
Dell Subsystem ID: 1028:0CCD
Expected behavior: Internal laptop speakers produce audio output.
Actual behavior: Internal speakers produce no audio. The sof_sdw driver fails
to initialize due to duplicate Speaker Switch registration. Bluetooth audio and
NVIDIA HDMI audio function correctly. Only internal speakers are affected.
The following errors appear in dmesg at every boot:
sof_sdw sof_sdw: control 2:0:0:Speaker Switch:0 is already present
sof_sdw sof_sdw: ASoC: Failed to add Speaker Switch: -16
sof_sdw sof_sdw: 0x1320 controls addition failed: -16
SDW2-Playback-SmartAmp: ASoC error (-16): at snd_soc_link_init() on
SDW2-Playback-SmartAmp
sof_sdw sof_sdw: error -EBUSY: snd_soc_register_card failed -16
sof_sdw sof_sdw: probe with driver sof_sdw failed with error -16
The RT1320 amplifier Speaker Switch control is being registered twice during
driver initialization, causing an EBUSY conflict that fails the entire audio
card registration. No user-level workaround has been found.
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Attachment added: "lspci-vnvn"
https://bugs.launchpad.net/bugs/2142377/+attachment/5947727/+files/lspci-vnvn.log
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https://bugs.launchpad.net/bugs/2142377
Title:
Dell Alienware 18 (1028:0CCD): internal speakers broken - sof_sdw
RT1320 Speaker Switch duplicate registration causes EBUSY on ARL-S
platform
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