Re: [PATCH] ALSA: usb-audio: move mixer_quirks' min_mute into common quirk

[Takashi Iwai]

On Wed, 27 Aug 2025 05:29:02 +0200,
Cryolitia PukNgae via B4 Relay wrote:
> 
> From: Cryolitia PukNgae <cryolitia@xxxxxxxxxxxxx>
> 
> We have found more and more devices that have the same problem, that
> the mixer's minimum value is muted. Accroding to pipewire's MR[1]
> and Arch Linux wiki[2], this should be a very common problem in USB
> audio devices. Move the quirk into common quirk,as a preparation of
> more devices' quirk's patch coming on the road[3].
> 
> 1. https://gitlab.freedesktop.org/pipewire/pipewire/-/merge_requests/2514
> 2. https://wiki.archlinux.org/index.php?title=PipeWire&oldid=804138#No_sound_from_USB_DAC_until_30%_volume
> 3. On the road, in the physical sense. We have been buying ton of
>    these devices for testing the problem.
> 
> Tested-by: Guoli An <anguoli@xxxxxxxxxxxxx>
> Signed-off-by: Cryolitia PukNgae <cryolitia@xxxxxxxxxxxxx>
> ---
> I also would like to know if the quirk worth a kernel param.

If the workaround becomes common for various devices, it makes sense.
Applied now to for-linus branch.


thanks,

Takashi