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

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From: Richard Fitzgerald

Date: Thu Sep 03 2026 - 05:29:42 EST

On 01/09/2026 8:26 pm, Khalil wrote:

v3 of the patch series fixing dual CS35L56 amplifiers on HP laptops
with Intel Lunar Lake and broken ACPI cs-gpios.

HP told us they have a BIOS with the cs-gpios fixed, and they can make
that available early if you post a support request for it.

Can you test that new BIOS? It would avoid the messy SPI workarounds.