Re: [PATCH v4] ALSA: usb-audio: Add quirk for Logitech PRO X 2 LIGHTSPEED

[Takashi Iwai]

On Fri, 31 Jul 2026 17:01:50 +0200,
Antheas Kapenekakis wrote:
> 
> On Fri, 31 Jul 2026 at 05:13, Brian van den Berg <faxuser@xxxxxxxxx> wrote:
> >
> > The UAC mixer of Logitech PRO X 2 LIGHTSPEED works fine except that its
> > volume GET_CUR method returns sticky values.
> >
> > Since commit 86aa1ea1f15c
> > ("ALSA: usb-audio: Do not expose sticky mixers"), the sticky check
> > considers the mixer to be sticky and unnecessarily disables the mixer.
> >
> > Add QUIRK_FLAG_MIXER_GET_CUR_BROKEN for Logitech PRO X 2 LIGHTSPEED
> > (046d:0af7) to address this.
> >
> > Compiled and tested on 7.2-rc5
> 
> There is a first time for everything. Happy to have helped with your
> first submission. The description still seems a bit vague to me as I
> do not have the mixer. Maybe there is a better way to phrase it. But I
> will leave this up to Takashi and Jaroslav. Hopefully next time you
> get most things right on the V1 ;)
> 
> Reviewed-by: Antheas Kapenekakis <lkml@xxxxxxxxxxx>
> 
> > Signed-off-by: Brian van den Berg <faxuser@xxxxxxxxx>

FYI, somehow this mail thread didn't reach to my inbox directly, so I
took another fix from Rong already now -- which is the very same fix.


Takashi