Re: [PATCH] ALSA: usb-audio: apply quirk for MOONDROP JU Jiu
From: Takashi Iwai
Date: Thu Apr 02 2026 - 06:49:43 EST
On Thu, 02 Apr 2026 07:36:57 +0200,
Cryolitia PukNgae wrote:
>
> It(ID 31b2:0111 JU Jiu) reports a MIN value -12800 for volume control, but
> will mute when setting it less than -10880.
>
> Thanks to my girlfriend Kagura for reporting this issue.
>
> Cc: Kagura <me@xxxxxxxxxxxxxxxx>
> Cc: stable@xxxxxxxxxxxxxxx
> Signed-off-by: Cryolitia PukNgae <cryolitia.pukngae@xxxxxxxxx>
Applied to for-next branch now.
> ---
> Btw, is it a good idea for turn the volume_control_quirks from
> switch-case to a table and sort it accroding to USB VID&PID?
Yeah, this might be better, indeed.
But the quirk isn't really straightforward for those, maybe we need a
matching of USB id plus kctl id name string, then update the cval
fields conditionally with flags. Let me cook later...
thanks,
Takashi