linux-kernel - Re: [PATCH v2] ALSA: usb-audio: Add delay quirk for MOONDROP Moonriver2 Ti

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Message-ID: <87o6mtd4na.wl-tiwai@suse.de>
Date: Fri, 16 Jan 2026 15:16:25 +0100
From: Takashi Iwai <tiwai@...e.de>
To: Cryolitia PukNgae <cryolitia@...ontech.com>
Cc: 胡连勤 <hulianqin@...o.com>,	"perex@...ex.cz"
 <perex@...ex.cz>,	"tiwai@...e.com" <tiwai@...e.com>,	"pav@....fi"
 <pav@....fi>,	"jussi@...arnerd.net" <jussi@...arnerd.net>,
	"roy.vegard.ovesen@...il.com" <roy.vegard.ovesen@...il.com>,
	"linux-sound@...r.kernel.org" <linux-sound@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2] ALSA: usb-audio: Add delay quirk for MOONDROP Moonriver2 Ti

On Fri, 16 Jan 2026 07:36:42 +0100,
Cryolitia PukNgae wrote:
> 
> 
> 
> On 1/16/26 14:33, 胡连勤 wrote:
> > Audio control requests that sets sampling frequency sometimes fail on
> > this card. Adding delay between control messages eliminates that problem.
> > 
> > usb 1-1: New USB device found, idVendor=2fc6, idProduct=f06b
> > usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
> > usb 1-1: Product: MOONDROP Moonriver2 Ti
> > usb 1-1: Manufacturer: MOONDROP
> > usb 1-1: SerialNumber: MOONDROP Moonriver2 Ti
> > 
> > Signed-off-by: Lianqin Hu <hulianqin@...o.com>
> > ---
> > 
> > Changes in v2:
> >  - Reordered by PID
> >  - Link to v1: https://lore.kernel.org/all/TYUPR06MB6217CD0C82B11AD3E659D174D28DA@TYUPR06MB6217.apcprd06.prod.outlook.com/
> > 
> >  sound/usb/quirks.c | 2 ++
> >  1 file changed, 2 insertions(+)
> > 
> > diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c
> > index f38330b095e9..2d9f28558874 100644
> > --- a/sound/usb/quirks.c
> > +++ b/sound/usb/quirks.c
> > @@ -2390,6 +2390,8 @@ static const struct usb_audio_quirk_flags_table quirk_flags_table[] = {
> >  		   QUIRK_FLAG_CTL_MSG_DELAY_1M),
> >  	DEVICE_FLG(0x2d99, 0x0026, /* HECATE G2 GAMING HEADSET */
> >  		   QUIRK_FLAG_MIXER_PLAYBACK_MIN_MUTE),
> > +	DEVICE_FLG(0x2fc6, 0xf06b, /* MOONDROP Moonriver2 Ti */
> > +		   QUIRK_FLAG_CTL_MSG_DELAY),
> >  	DEVICE_FLG(0x2fc6, 0xf0b7, /* iBasso DC07 Pro */
> >  		   QUIRK_FLAG_CTL_MSG_DELAY_1M),
> >  	DEVICE_FLG(0x30be, 0x0101, /* Schiit Hel */
> 
> LGTM
> 
> Approved-by: Cryolitia PukNgae <cryolitia@...ontech.com>

I guess you meant Reviewed-by?


thanks,

Takashi