From: Geoffrey D. Bennett Date: Tue, 17 Mar 2026 19:32:30 +0000 (+1030) Subject: ALSA: usb-audio: Exclude Scarlett 2i2 1st Gen from SKIP_IFACE_SETUP X-Git-Tag: v7.0-rc6~30^2~10 X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=8780f561f6717dec52351251881bff79e960eb46;p=thirdparty%2Fkernel%2Flinux.git ALSA: usb-audio: Exclude Scarlett 2i2 1st Gen from SKIP_IFACE_SETUP The Focusrite Scarlett 2i2 1st Gen (1235:8006) produces distorted/silent audio when QUIRK_FLAG_SKIP_IFACE_SETUP is active, as that flag causes the feedback format to be detected as 17.15 instead of 16.16. Add a DEVICE_FLG entry for this device before the Focusrite VENDOR_FLG entry so that it gets no quirk flags, overriding the vendor-wide SKIP_IFACE_SETUP. This device doesn't have the internal mixer, Air, or Safe modes that the quirk was designed to protect. Fixes: 38c322068a26 ("ALSA: usb-audio: Add QUIRK_FLAG_SKIP_IFACE_SETUP") Reported-by: pairomaniac [https://github.com/geoffreybennett/linux-fcp/issues/54] Tested-by: pairomaniac [https://github.com/geoffreybennett/linux-fcp/issues/54] Signed-off-by: Geoffrey D. Bennett Link: https://patch.msgid.link/abmsTjKmQMKbhYtK@m.b4.vu Signed-off-by: Takashi Iwai --- diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c index 049a94079f9e..cd3a9fe8edf2 100644 --- a/sound/usb/quirks.c +++ b/sound/usb/quirks.c @@ -2429,6 +2429,7 @@ static const struct usb_audio_quirk_flags_table quirk_flags_table[] = { QUIRK_FLAG_CTL_MSG_DELAY | QUIRK_FLAG_IFACE_DELAY), VENDOR_FLG(0x07fd, /* MOTU */ QUIRK_FLAG_VALIDATE_RATES), + DEVICE_FLG(0x1235, 0x8006, 0), /* Focusrite Scarlett 2i2 1st Gen */ VENDOR_FLG(0x1235, /* Focusrite Novation */ QUIRK_FLAG_SKIP_CLOCK_SELECTOR | QUIRK_FLAG_SKIP_IFACE_SETUP),