** Changed in: linux-oem-6.11 (Ubuntu Noble)
Status: New => Fix Committed
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https://bugs.launchpad.net/bugs/2089885
Title:
Support for Cirrus codec on Taroko RPL platform
Status in HWE Next:
New
Status in firmware-sof package in Ubuntu:
New
Status in linux-oem-6.11 package in Ubuntu:
New
Status in firmware-sof source package in Noble:
New
Status in linux-oem-6.11 source package in Noble:
Fix Committed
Status in firmware-sof source package in Oracular:
New
Status in linux-oem-6.11 source package in Oracular:
New
Status in firmware-sof source package in Plucky:
New
Status in linux-oem-6.11 source package in Plucky:
New
Bug description:
========== linux ==========
[ Impact ]
Audio codec will not be loaded to get a functional audio device.
[Fix]
Need the patches backport from Cirrus to fix the audio codec not found kernel
error
https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git/commit/?id=b27404b2bbf951a11500525dea15681cc970226c
https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git/commit/?id=d2234596be2192d9c1ae34f8c7534531191bc433
https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git/commit/?id=1f3662838a05f1ab6af89a417f6f252d91d0806b
https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git/commit/?id=9307694f340e518cac0e007f39dd9ff0736e6144
https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git/commit/?id=5afc29ba44fdd1bcbad4e07246c395d946301580
https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git/commit/?id=af23d38caae5841bd7aa754a7e7205ab719f568d
https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git/commit/?id=e9db1b551774037ebe39dde4a658d89ba95e260b
[ Test ]
1. Install the test kernel
2. Install the alsa-ucm-conf with sof-tplg/sof-rpl-cs42l43-l0.tplg
3. Make sure no kernel error in dmesg
```
[ 4.310588] BUG: kernel NULL pointer dereference, address: 0000000000000001
[ 4.310598] #PF: supervisor read access in kernel mode
[ 4.310601] #PF: error_code(0x0000) - not-present page
[ 4.310605] PGD 0 P4D 0
[ 4.310611] Oops: Oops: 0000 [#1] PREEMPT SMP NOPTI
[ 4.310617] CPU: 6 UID: 0 PID: 126 Comm: kworker/6:1 Tainted: G
O 6.11.0-9008-oem #9008
[ 4.310623] Tainted: [O]=OOT_MODULE
[ 4.310625] Hardware name: Dell Inc. Dell Pro 14 Plus PB14250/, BIOS
89.6.45 10/18/2024
[ 4.310628] Workqueue: events sof_probe_work [snd_sof]
[ 4.310671] RIP: 0010:snd_soc_acpi_sdw_link_slaves_found+0x50/0x2e0
[snd_soc_acpi]
```
========== firmware-sof ==========
[ Impact ]
The audio input/output function won't work w/o correct tplg file
[Fix]
Need the upstream fix for the file sof-tplg/sof-rpl-cs42l43-l0.tplg
1. Install the test kernel
2. Install the alsa-ucm-conf with sof-tplg/sof-rpl-cs42l43-l0.tplg
3. Make sure audio input/output function is working by play/record sample
audio wave file
[ Where problems could occur ]
The linux patches are only for the cirrus codec fix for particular Dell SKUs
with cirrus soundwire device connected on specific sdw bus. The firmware-sof
update the corresponding tplg file with particular combination. The regression
risk should be low
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