From 19eadf550ba518db6509eed3c3f34d4fc1e02ee7 Mon Sep 17 00:00:00 2001 From: Lianqin Hu Date: Mon, 17 Aug 2026 11:19:42 +0000 Subject: [PATCH] ALSA: usb-audio: Add delay quirk for SPACETOUCH USB Audio 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 Signed-off-by: Takashi Iwai Link: https://patch.msgid.link/TYUPR06MB6217D93F595D9995413C9721D2A72@TYUPR06MB6217.apcprd06.prod.outlook.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 00b686a6c25b..eb1750def067 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) */