Re: [PATCH] ALSA: hda/realtek: Enable bass speakers on Alienware m17 R3

[Takashi Iwai]

On Thu, 29 Oct 2026 23:49:10 +0100,
Chris Simpson via B4 Relay wrote:
> 
> From: Chris Simpson <chris@xxxxxxxx>
> 
> The Alienware m17 R3 (ALC289, PCI SSID 1028:09d1) has a second speaker
> pair, the bass speakers, on pin 0x17, which the BIOS leaves unconnected
> (0x411111f0). No PCI SSID quirk matches the machine, so it gets
> ALC269_FIXUP_DELL4_MIC_NO_PRESENCE from the fallback pin quirk table,
> and only the speakers on pin 0x14 play.
> 
> Use ALC289_FIXUP_DUAL_SPK, as on the Alienware x16 R2 and Dell XPS 15
> 9510/9520: it sets pin 0x17 up as a speaker on DAC 0x02, so one volume
> control covers both pairs, and chains to
> ALC269_FIXUP_DELL4_MIC_NO_PRESENCE, so the headset mic setup is
> unchanged.
> 
> Tested on an Alienware m17 R3 (BIOS 1.38.0), Linux 7.3 with this change
> applied: the bass speakers play, and volume and mute cover both pairs,
> also after suspend and resume. Headphones and a headset mic were not
> tested.
> 
> I used Claude Code (Claude Opus 5.5) to find the unused pin, pick the
> existing fixup and write this patch and changelog; I did the listening
> tests myself.
> 
> Cc: stable@xxxxxxxxxxxxxxx
> Assisted-by: LLM
> Signed-off-by: Chris Simpson <chris@xxxxxxxx>

Applied now.  Thanks.


Takashi