Re: [PATCH] ALSA: hda/realtek: Add quirk for Huawei WRT-WX9 (ALC256, 19e5:320d)

[Takashi Iwai <tiwai@suse.de>]

On Thu, 29 Oct 2026 09:13:31 +0100,
Guobing Yin wrote:
> 
> Hi,
> 
> this is a one-line quirk addition for a Huawei MateBook WRT-WX9 whose
> Realtek ALC256 codec reports subsystem ID 19e5:320d.  The patch is
> attached.
> 
> Problem: headphone insertion is never detected.  The "Headphone Jack"
> control stays off, PipeWire keeps the speaker route selected, and audio
> comes out of the internal speakers and the headphones at the same time.
> Unplugging the headphones leaves the speakers working, so only insertion
> detection is broken.
> 
> Cause: the existing quirk for this machine family is registered for
> 19e5:320f only, so this variant receives no fixup at all.  Applying
> ALC269_FIXUP_HEADSET_MODE makes jack detection work.
> 
> Evidence from the affected machine (kernel 7.0.0-38-generic):
> 
>   lspci -nn:
>     00:1f.3 Audio device [0403]: Intel Corporation Cannon Point-LP
>     High Definition Audio Controller [8086:9dc8] (rev 30)
> 
>   codec:  Realtek ALC256, vendor 0x10ec0256, subsystem 0x19e5320d
>   DMI:    HUAWEI WRT-WX9 / WRT-WX9-PCB, BIOS 1.39
> 
>   Without the fixup:
>     $ amixer -c0 cget numid=12 | tail -1
>       : values=off            # headphones are plugged in
>     $ hda-verb /dev/snd/hwC0D0 0x21 0x0f09 0x0
>       value = 0x0             # pin sense never reports presence
>     PipeWire: analog-output-headphones -> "not available"
> 
>   Booting with snd-hda-intel.model=headset-mode (the same
>   ALC269_FIXUP_HEADSET_MODE fixup):
>     $ amixer -c0 cget numid=12 | tail -1
>       : values=on
>     $ hda-verb /dev/snd/hwC0D0 0x21 0x0f09 0x0
>       value = 0x80000000
>     PipeWire: analog-output-headphones -> "available"; the speaker is
>     muted automatically on insertion and unplugging restores speaker
>     output.
> 
>   HDMI audio profiles and the internal microphone keep working with the
>   fixup applied.
> 
> The attached patch just maps 19e5:320d to that fixup.
> 
> I am not subscribed to the list, please keep me in Cc.
> 
> Thanks,
> yinguobing <yinguobing@gmail.com>
> From: yinguobing <yinguobing@gmail.com>
> Date: Thu, 29 Oct 2026 16:08:00 +0800
> Subject: [PATCH] ALSA: hda/realtek: Add quirk for Huawei WRT-WX9 (ALC256, 19e5:320d)
> 
> On the Huawei MateBook WRT-WX9 whose ALC256 codec reports subsystem ID
> 19e5:320d, headphone jack presence detection never works: the
> "Headphone Jack" control stays off, PipeWire keeps the speaker route
> active, and audio plays from the internal speakers and the headphones at
> the same time.  Unplugging the headphones leaves the speakers working, so
> only insertion detection is broken.
> 
> The existing quirk for this machine family is registered for 19e5:320f
> only, so this variant receives no fixup at all.  ALC256 on this board
> needs ALC269_FIXUP_HEADSET_MODE; without it the codec's jack detection is
> never enabled and GET_PIN_SENSE on the headphone pin (0x21) always reads 0.
> 
> Verified on the affected machine by booting with
> snd-hda-intel.model=headset-mode, which applies the same fixup: the
> "Headphone Jack" control then reports "on" when a plug is inserted,
> GET_PIN_SENSE on pin 0x21 returns 0x80000000, the "Headphones" port
> becomes available in PipeWire, and the speaker is muted automatically on
> insertion.  HDMI audio profiles and the internal microphone keep working.
> 
> Add a SND_PCI_QUIRK entry for 19e5:320d using ALC269_FIXUP_HEADSET_MODE.
> 
> Signed-off-by: yinguobing <yinguobing@gmail.com>

Applied now.  Thanks.


Takashi