Re: [regression] ctxfi: no speaker output when headphones connected on >=7.0.x

[Takashi Iwai]

On Thu, 07 May 2026 00:06:11 +0200,
Harin Lee wrote:
> 
> On 5/6/26 4:05 PM, Takashi Iwai wrote:
> > On Wed, 06 May 2026 08:24:36 +0200,
> > Thorsten Leemhuis wrote:
> >> 
> >> Hi! Just FYI, I noticed a regression report in bugzilla:
> >> 
> >> https://bugzilla.kernel.org/show_bug.cgi?id=221461
> >> 
> >> To quote:
> >> 
> >>> Dutch Ingraham 2026-05-03 18:12:49 UTC
> >>> 
> >>> Kernels >=7.0.1 contain a regression as to Creative Sound Blaster Z SE
> >>> discrete pci sound card, but not integrated. Kernels 7.0.1, 7.0.2, and
> >>> 7.0.3 tested; 7.0.0 not tested. Reverting to any 6.18.x or 6.12.x does
> >>> not present the issue.
> >>> 
> >>> Specifically, using pipewire managed by pavucontrol, on both Gentoo and
> >>> Arch Linux, when both external speakers and headphones are connected,
> >>> all sound is routed through the headphones regardless of whether settings
> >>> are set to Line Out/Speaker or Line Out/Headphones; there is no speaker
> >>> output. If headphones are disconnected, without reboot, speakers work;
> >>> reconnect headphones, without reboot, sound reverts to headphones.
> >>> 
> >>> Kernel: 7.0.3, Gentoo compiled from source using olddefconfig on 6.18.24
> >>> 		.config; Arch standard release
> >>> 'lspci -nnk | grep -i audio' attached
> >>> 'dmesg | grep -i audio' for 7.0.3 and 6.18.24 attached
> >>> pipewire-1.6.4 on both Gentoo and Arch Linux
> >>> alsa-firmware-1.2.4 on both Gentoo and Arch Linux
> >>> 'cat /proc/sys/kernel/tainted' returns 0 for both Gentoo and Arch Linux
> >>> 
> >>> Processor		:	AMD Ryzen7 5700G
> >>> Motherboard		:	Asus Prime X570-Pro
> >>> RAM				:	Patriot Viper Steel DDR-4 @3200mHz
> >>> Graphics        :   ASRock AMD Radeon RX 7600 Challenger 8GB OC
> >>> Sound Card      :   Creative Sound Blaster Z SE
> >>> 
> >>> 
> >>> Expected outcome: ability to choose output to either speakers or head-
> >>> phones while both are plugged-in to sound card.
> >>> 
> >>> Workaround: none known.
> >> 
> >> See the ticket for more details. One of them: 7.1-rc2 is affected as
> >> well. Reporter is CCed. Forwarded this to ensure this report makes it to
> >> the interested parties, as bugzilla might not have forwarded this.
> >> 
> >> Dutch Ingraham: if nobody within a few days has an idea why this
> >> happens, you will likely have to use a git bisection to get this resolved.
> > 
> > As there have been many significant changes in ctxfi since 6.18, it's
> > hard to tell what broke.  Please go git bisect.
> > 
> > 
> > thanks,
> > 
> > Takashi
> > 
> 
> Creative Sound Blaster Z-series uses the snd_hda_codec_ca0132 driver,
> not snd_ctxfi. The dmesg logs in the bugzilla shows only ca0132
> entries.

Ah, sorry, then it's easier.  The only major change is the
commit 778031e1658d206a52bf9491c91ae5d4f4a2509d
    ALSA: hda/ca0132: Set HP/Speaker auto-detect default from headphone pin verb

Try to revert this one.


thanks,

Takashi