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Bug#1143500: The Lenovo Legion Y9000X 2021 (Realtek ALC287 + Cirrus CS35L41) has no sound output through external speakers, but the headphones work normally

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Hi Kaspar,

On Mon, Aug 03, 2026 at 05:08:07AM +0000, Kaspar Choo wrote:
> Package: linux-image-6.12.38+deb13-amd64
> Version: 6.12.38+deb13-amd64
> Severity: important
> 
> Dear Debian maintainers,
> 
> I am experiencing a complete lack of sound output from the internal
> speakers on my Lenovo Legion Y9000X 2021 laptop after a fresh
> installation of Debian 13 (Trixie). The headphone jack works
> perfectly, but the speakers remain silent.
> 
> **Hardware details:**
> - Model: Lenovo Legion Y9000X 2021
> - Audio codec: Realtek ALC287
> - Amplifier chip: Cirrus Logic CS35L41 (two amplifiers, one per channel)
> 
> **Software environment:**
> - Debian version: 13 (Trixie)
> - Kernel: Linux debian-world 6.12.95+deb13-amd64 #1 SMP PREEMPT_DYNAMIC Debian 6.12.95-1 (2026-07-04) x86_64 GNU/Linux
> - ALSA utils: 1.2.14-1
> - PipeWire:  1.4.2-1
> 
> **Steps to reproduce:**
> 1. Boot the system with default settings.
> 2. Log in to the desktop environment (GNOME/KDE/etc.).
> 3. Open the system sound settings or `pavucontrol` and set output to the built-in speakers.
> 4. Play any audio file or test sound.
> 
> **Expected result:**
> Sound should be heard from the internal speakers.
> 
> **Actual result:**
> No sound from speakers, but sound plays normally through the headphone jack when inserted.

Can you please test it with a never kernel, first the newest one for
trixie itself (6.12.101-1) and then please as well the kernel
available from trixie-backports (currently 7.1.8-1~bpo13+1).

Regards,
Salvatore

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Bug#1143500: The Lenovo Legion Y9000X 2021 (Realtek ALC287 + Cirrus CS35L41) has no sound output through external speakers, but the headphones work normally Salvatore Bonaccorso <carnil@debian.org> - 2026-08-22 15:10 +0200
  Processed: Re: Bug#1143500: The Lenovo Legion Y9000X 2021  (Realtek ALC287 + Cirrus CS35L41) has no sound output through external  speakers, but the headphones work normally "Debian Bug Tracking System" <owner@bugs.debian.org> - 2026-08-22 15:10 +0200

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