From 5caf27a2bf7f86f92f03e851d252901b64ed498c Mon Sep 17 00:00:00 2001 From: Lianqin Hu Date: Mon, 13 Jul 2026 12:35:50 +0000 Subject: [PATCH] ALSA: usb-audio: Add delay quirk for iBasso DC-Elite 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=f0b5 usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 usb 1-1: Product: iBasso DC-Elite usb 1-1: Manufacturer: iBasso usb 1-1: SerialNumber: CTUA171130B Signed-off-by: Lianqin Hu Signed-off-by: Takashi Iwai Link: https://patch.msgid.link/TYUPR06MB6217D8FF419F24378196FCEFD2FA2@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 d98825f9697c..41149561aa06 100644 --- a/sound/usb/quirks.c +++ b/sound/usb/quirks.c @@ -2487,6 +2487,8 @@ static const struct usb_audio_quirk_flags_table quirk_flags_table[] = { QUIRK_FLAG_MIXER_GET_CUR_BROKEN), DEVICE_FLG(0x2fc6, 0xf06b, /* MOONDROP Moonriver2 Ti */ QUIRK_FLAG_CTL_MSG_DELAY), + DEVICE_FLG(0x2fc6, 0xf0b5, /* iBasso DC-Elite */ + QUIRK_FLAG_CTL_MSG_DELAY_1M), DEVICE_FLG(0x2fc6, 0xf0b7, /* iBasso DC07 Pro */ QUIRK_FLAG_CTL_MSG_DELAY_1M), DEVICE_FLG(0x30be, 0x0101, /* Schiit Hel */