From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from m.b4.vu (m.b4.vu [203.16.231.148]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 9B77D373BE0; Mon, 13 Apr 2026 17:42:26 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=203.16.231.148 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776102150; cv=none; b=QlWKblRywyx1t3q+8Gh7BVxOqRhpi3otB1xNhOA1lzAjr/IJDUVpDARZqQ82JXkDJFmC1W+8cAOUNQISgvI4D1jswjhZi8pVDJrvqvjcZwnOWOF7MG1t6XOTWqyOzm9c8qVfhL7alDZ5LQc/w73NUkkYcZ3ohgXBGKcIZRXYr5M= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776102150; c=relaxed/simple; bh=aCtOSkxARDCtNUapZwaecA0l1s+EKJcRjjseK4SIRtg=; h=Date:From:To:Cc:Subject:Message-ID:MIME-Version:Content-Type: Content-Disposition; b=YU650LIchVPNeQJcRfXO1JO16bBxdvdeGRcS9YPlGAL9A/r4E/i5r/HITDbImn0T0AIG5BzwxWcWCnYlQ7xIXxf/yWfO0Su072zS71M/gDoX8R0HkK2CEnBMYd3J3+BcAm4ep8FPvFcIGsUysbi1u/WyWUSjiYJSrF9rnVdfucw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=b4.vu; spf=pass smtp.mailfrom=b4.vu; dkim=pass (2048-bit key) header.d=b4.vu header.i=@b4.vu header.b=pD9R7D8c; arc=none smtp.client-ip=203.16.231.148 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=b4.vu Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=b4.vu Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=b4.vu header.i=@b4.vu header.b="pD9R7D8c" Received: by m.b4.vu (Postfix, from userid 1000) id 8DA8A67B708B; Tue, 14 Apr 2026 03:03:00 +0930 (ACST) DKIM-Filter: OpenDKIM Filter v2.11.0 m.b4.vu 8DA8A67B708B DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=b4.vu; s=m1; t=1776101580; bh=JIjvOD8KaZ6aHoSxHrdJ9YhtKxty0QYOcAAQqheHJwc=; h=Date:From:To:Cc:Subject:From; b=pD9R7D8cTDfIEn4iGv62wfMyfNteEMlT5E8sAfXtu722r8CnT2W9lWcADYzCP+/XC f9Lu01CO4rfaYPtA5SrZ/twh7Y2jXKy8iTB4vwwR0ws2pWLAysGj99BhnSz9qaku7a /IDPZ40xXNfsp/PeivDSldaC3ya+PAXtoNITooQ7VYy5iJi2+FccGqjDZQl33PwRjl J6VoI07B6dRDNWxWalvOTyUTMjscZBvgqAyqp1VMct+z7ajumeI+NXbsQIjbIzyae8 6cRhfzCBuj3ZUslStpSU84qBO+YNqSNxLx15ij3zfAQJpBNbd3vNApMNwMvVynSCoo GUysuUSK/7b8g== Date: Tue, 14 Apr 2026 03:03:00 +0930 From: "Geoffrey D. Bennett" To: Takashi Iwai Cc: linux-sound@vger.kernel.org, stable@vger.kernel.org Subject: [PATCH] ALSA: usb-audio: Exclude Scarlett 18i20 1st Gen from SKIP_IFACE_SETUP Message-ID: Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Same issue as the other 1st Gen Scarletts: QUIRK_FLAG_SKIP_IFACE_SETUP causes distorted audio on the Scarlett 18i20 1st Gen (1235:800c). Fixes: 38c322068a26 ("ALSA: usb-audio: Add QUIRK_FLAG_SKIP_IFACE_SETUP") Reported-by: tucktuckg00se [https://github.com/geoffreybennett/linux-fcp/issues/54] Signed-off-by: Geoffrey D. Bennett --- sound/usb/quirks.c | 1 + 1 file changed, 1 insertion(+) diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c index 9ff9b6e306c1..6f8963b5374b 100644 --- a/sound/usb/quirks.c +++ b/sound/usb/quirks.c @@ -2425,6 +2425,7 @@ static const struct usb_audio_quirk_flags_table quirk_flags_table[] = { QUIRK_FLAG_VALIDATE_RATES), DEVICE_FLG(0x1235, 0x8006, 0), /* Focusrite Scarlett 2i2 1st Gen */ DEVICE_FLG(0x1235, 0x800a, 0), /* Focusrite Scarlett 2i4 1st Gen */ + DEVICE_FLG(0x1235, 0x800c, 0), /* Focusrite Scarlett 18i20 1st Gen */ DEVICE_FLG(0x1235, 0x8016, 0), /* Focusrite Scarlett 2i2 1st Gen */ VENDOR_FLG(0x1235, /* Focusrite Novation */ QUIRK_FLAG_SKIP_CLOCK_SELECTOR | -- 2.53.0