** Description changed: ========== linux ========== [ Impact ] - Audio codec will not be loaded to get a functional audio device. - + 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 + 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 + 2. Install the firmware-sof 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
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2089885 Title: Support for Cirrus codec on Taroko RPL platform To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/2089885/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
