linux-kernel - Re: ALSA: usb-audio: Add delay quirk for MOONDROP Moonriver2 Ti

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Message-ID: <0FCE737713CEF540+3c332023-e0be-4742-8f8c-f2ad09e8c99b@uniontech.com>
Date: Fri, 16 Jan 2026 14:07:24 +0800
From: Cryolitia PukNgae <cryolitia@...ontech.com>
To: 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>
Cc: "linux-sound@...r.kernel.org" <linux-sound@...r.kernel.org>,
 "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: ALSA: usb-audio: Add delay quirk for MOONDROP Moonriver2 Ti



On 1/16/26 12:03, 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>
> ---
>  sound/usb/quirks.c | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c
> index f38330b095e9..2c51b58a5f15 100644
> --- a/sound/usb/quirks.c
> +++ b/sound/usb/quirks.c
> @@ -2392,6 +2392,8 @@ static const struct usb_audio_quirk_flags_table quirk_flags_table[] = {
>  		   QUIRK_FLAG_MIXER_PLAYBACK_MIN_MUTE),
>  	DEVICE_FLG(0x2fc6, 0xf0b7, /* iBasso DC07 Pro */
>  		   QUIRK_FLAG_CTL_MSG_DELAY_1M),
> +	DEVICE_FLG(0x2fc6, 0xf06b, /* MOONDROP Moonriver2 Ti */
> +		   QUIRK_FLAG_CTL_MSG_DELAY),

please keep it sorted, should 0xf06b be above 0xf0b7?

thanks

>  	DEVICE_FLG(0x30be, 0x0101, /* Schiit Hel */
>  		   QUIRK_FLAG_IGNORE_CTL_ERROR),
>  	DEVICE_FLG(0x3255, 0x0000, /* Luxman D-10X */

Best regards,
Cryolitia PukNgae