Re: HP OmniBook Ultra (Panther Lake) Speakers not functioning: TAS2783 Firmware download failed

Trying kernel 7.1.5 gives the same problem and when trying the newest 
mainline kernel (currently 7.2.0-rc5) the issue also persists.
dmesg outputs for both kernels are attached.

On 27/07/2026 10:32, Pierre-Louis Bossart wrote:
> On 7/26/26 18:04, Lu & Thijs wrote:
>> [1.] HP OmniBook Ultra (Panther Lake) Speakers not functioning: TAS2783
>> Firmware download failed
>> [2.] The speakers on the HP Omnibook Ultra (Panther Lake version do not work at all, this is due the kernel trying to load the firmware but the device sending a NACK after the first block.
>>       When starting, the slave initialization fails with code -61 and the update slave status fails with code -5.
>> [3.] Keywords: Sound
>> [4.] Kernel information
>> [4.1.] Kernel version (from /proc/version): Linux version 7.1.4-204.fc44.x86_64 (mockbuild@7bf2e6b0278e48518d21d9f513bd2a35) (gcc (GCC) 16.1.1 20260515 (Red Hat 16.1.1-2), GNU ld version 2.46.1-1.fc44) #1 SMP PREEMPT_DYNAMIC Wed Jul 22 16:25:06 UTC 2026
> you probably want to try with a bleeding edge kernel, these sort of
> configurations are pretty new.
>
>> [4.2.] Kernel .config file: attached
>> [5.] Most recent kernel version which did not have the bug: None so far tested
>> [9.] Bugzilla report of the issue:https://bugzilla.kernel.org/show_bug.cgi?id=221782
>>