Re: [BUG] ALC285 + CS35L56 (ASUS ROG Zephyrus G14 2025, GA403WR, SSID 1043:1024), no speaker output despite correct routing, gain, and DSP state

Richard Fitzgerald <[email protected]> Wed, 29 Jul 2026 09:59:34 +0100
Newsgroups org.alsa-project.alsa-devel
Message-ID <[email protected]>
On 28/07/2026 1:57 pm, Aditya Sharma wrote:
> Hi,
> 
> I'm seeing complete silence from the built-in speakers on an ASUS ROG
> Zephyrus G14 2025 (GA403WR), despite every layer of the audio signal chain
> checking out correct on inspection. Headphones work perfectly. The same
> physical hardware produces normal speaker output under Windows (dual-boot),
> which rules out a hardware fault.
> 
> *Hardware:*
> 
>     - ASUS ROG Zephyrus G14 2025, GA403WR_GA403WR, BIOS GA403WR.309
>     - Realtek ALC285 codec, PCI SSID 1043:1024
>     - 2x Cirrus Logic CS35L56 amplifiers (i2c-CSC3556:00-cs35l56-hda.0/.1)
> 
> *Kernel:* 7.1.5-1-cachyos (CachyOS, based on stable v7.1.5)

There is a similar report on bugzilla:
https://bugzilla.kernel.org/show_bug.cgi?id=221793