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

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Message-ID: <B03F6E13BE49922F+fdcc20d7-4c85-41ac-8c0f-d1bd1016b4d2@uniontech.com>
Date: Mon, 19 Jan 2026 15:52:58 +0800
From: Cryolitia PukNgae <cryolitia@...ontech.com>
To: Takashi Iwai <tiwai@...e.de>
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 1/16/26 22:16, Takashi Iwai wrote:
> 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?
> 

sorry for the mess

Reviewed-by: Cryolitia PukNgae <cryolitia@...ontech.com>

> 
> thanks,
> 
> Takashi
>