Re: [PATCH] ALSA: hda/realtek: Fix internal speakers on Acer Aspire AL16-31P

[Takashi Iwai]

On Sat, 17 Oct 2026 02:50:39 +0200,
Luis Gerardo Lopez Hernandez wrote:
> 
> The Acer Aspire AL16-31P (Intel Alder Lake-N, Realtek ALC269VC,
> PCI/codec SSID 2782:1718) has its internal speakers wired to pin 0x1b,
> but the BIOS marks that pin as not connected (0x411111f0) and only
> exposes pin 0x14 as the speaker. As a result the internal speakers are
> silent while headphones, HDMI and Bluetooth work.
> 
> This is the same layout as the Infinix Y4 Max and MEDION E15433, which
> share the 0x2782 subsystem vendor. Reuse their fixup, which configures
> pin 0x1b as an internal speaker and limits the internal mic boost.
> 
> Tested by booting with snd-hda-intel model=2782:1705: the fixup is
> picked, pin 0x1b is used as a speaker output, the internal speakers
> work, and they are muted when headphones are plugged in.
> 
> Cc: stable@xxxxxxxxxxxxxxx
> Assisted-by: Claude:claude-opus-5-5
> Signed-off-by: Luis Gerardo Lopez Hernandez <gamaerry@xxxxxxxxx>

Applied to for-next branch.  Thanks.


Takashi