[PATCH v3 0/3] Fix CS35L56 amplifier on Intel LPSS SPI with broken ACPI cs-gpios

[Richard Fitzgerald]

On 16/9/26 22:23, Juan Jimenez Carrero wrote:
> On Tue, 1 Sep 2026 21:26:22 +0200, Khalil wrote:
>> v3 of the patch series fixing dual CS35L56 amplifiers on HP laptops
> 
> Following up on my earlier reply, where I had only run the earlier
> gist version: I have now tested v3 on the same machine.
> 
>    HP EliteBook 8 G1i 14 inch, DMI board 8D8A, SKU D75TQET#ABE
>    BIOS X91 Ver. 01.05.02
>    2x Cirrus Logic CS35L54 Rev B0 OTP4 fw:3.4.4, ACPI HID CSC3554
>    Kernel: linux-omarchy 7.2.5 (v7.2.5 plus the patch set of Omarchy,
>    an Arch-based distribution)

The latest BIOS (01.06.02) is reported to fix the problem:
https://bugzilla.kernel.org/show_bug.cgi?id=221064#c23