[PATCH] ALSA: usb-audio: Add delay quirk for SPACETOUCH USB Audio

[PATCH] ALSA: usb-audio: Add delay quirk for SPACETOUCH USB Audio

[胡连勤]

Audio control requests that set sampling frequency sometimes fail on
this card. Adding delay between control messages eliminates that problem.

usb 1-1: New USB device found, idVendor=0666, idProduct=0880
usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
usb 1-1: Product: USB Audio
usb 1-1: Manufacturer: SPACETOUCH
usb 1-1: SerialNumber: 000000000

Signed-off-by: Lianqin Hu <hulianqin@vivo.com>
---
 sound/usb/quirks.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c
index 4d2957e62fbd..14daaf2a3088 100644
--- a/sound/usb/quirks.c
+++ b/sound/usb/quirks.c
@@ -2314,7 +2314,8 @@ static const struct usb_audio_quirk_flags_table quirk_flags_table[] = {
 	DEVICE_FLG(0x0661, 0x0883, /* iBasso DC04 Ultra */
 		   QUIRK_FLAG_DSD_RAW),
 	DEVICE_FLG(0x0666, 0x0880, /* SPACETOUCH USB Audio */
-		   QUIRK_FLAG_FORCE_IFACE_RESET | QUIRK_FLAG_IFACE_DELAY),
+		   QUIRK_FLAG_FORCE_IFACE_RESET | QUIRK_FLAG_IFACE_DELAY |
+		   QUIRK_FLAG_CTL_MSG_DELAY_5M),
 	DEVICE_FLG(0x06f8, 0xb000, /* Hercules DJ Console (Windows Edition) */
 		   QUIRK_FLAG_IGNORE_CTL_ERROR),
 	DEVICE_FLG(0x06f8, 0xd002, /* Hercules DJ Console (Macintosh Edition) */
-- 
2.39.0

Re: [PATCH] ALSA: usb-audio: Add delay quirk for SPACETOUCH USB Audio

[Takashi Iwai]

On Mon, 17 Aug 2026 13:19:42 +0200,
胡连勤 wrote:
> 
> Audio control requests that set sampling frequency sometimes fail on
> this card. Adding delay between control messages eliminates that problem.
> 
> usb 1-1: New USB device found, idVendor=0666, idProduct=0880
> usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
> usb 1-1: Product: USB Audio
> usb 1-1: Manufacturer: SPACETOUCH
> usb 1-1: SerialNumber: 000000000
> 
> Signed-off-by: Lianqin Hu <hulianqin@vivo.com>

Applied now.  Thanks.


Takashi