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 504BB36CE02 for ; Mon, 23 Mar 2026 11:29:29 +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=1774265373; cv=none; b=iruZ3J9N7PDlrhbPiCART3RwuVIlnjDoDbweBcomuDQOxUsm0iYnxtMsmSmBYZHczES10GdCS5g/KJ5DhvKaHxGZwsA7EatAc7Kmi00adXvqQqP4clZ21z9Gxx9eB49Wej+8AXL8/Rkt8Vp4rOiNP26MlPIAnuYiw0ZZDIvN2+k= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774265373; c=relaxed/simple; bh=+8bDajk/HxSAnqwl8gG0znv5l8fs+dgn2aO/AFxkaxc=; h=Date:From:To:Cc:Subject:Message-ID:MIME-Version:Content-Type: Content-Disposition; b=D+BFqEndu3XkPIwEVvAViIJM9OTMhKcohe93vlXXf8MF1DDXagol6deBDgxEqwZi7hD7+kuRsJeOmGU1FO+XQ2FOuTCuuOF5gwpPiYnCICYk9K2y6r+X/HUtjdZAh1P4CsUlfV8OBC/HdYDjsaSViDqgCrEWhofwBHJe9sSZPV8= 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=BsNnQTcg; 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="BsNnQTcg" Received: by m.b4.vu (Postfix, from userid 1000) id 8997C67A1212; Mon, 23 Mar 2026 21:59:21 +1030 (ACDT) DKIM-Filter: OpenDKIM Filter v2.11.0 m.b4.vu 8997C67A1212 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=b4.vu; s=m1; t=1774265361; bh=rRuYIeDTyo5A0p5bbURJHZVuWVHNk9SDE1fl4qIW0UU=; h=Date:From:To:Cc:Subject:From; b=BsNnQTcgqQSiDxrdah8gMKcbvJRc9AC/XSNq5/bIBpcTqX2HkLhY8tS+BNcNnp1po YW/llKy9+0Omn9NAihaUKKSFO1HsmDJhe97gTq7PaXpzzQKTYlLsx+F4BARAQmm9rJ 9k7ugsdjbeyQQszmuoCgAdcqrhSoiJje2FV0o/8M/S7NQO9vayFiAMnW3KG0N8mypt agqm46RGRrieszWrG3g5+6ztVa6J0lSpX5vMABm1OfpQralTP5rWBYuiP/fo8gCpHk XrAgu7veMTCBxHhk4jUkNCf3nhjryqBCKOJhOMIZPaSllATk4vNEhOtZgYoC0yngUL oE9nzle/ojBbg== Date: Mon, 23 Mar 2026 21:59:21 +1030 From: "Geoffrey D. Bennett" To: Takashi Iwai Cc: linux-sound@vger.kernel.org Subject: [PATCH] ALSA: usb-audio: Exclude Scarlett 2i4 1st Gen from SKIP_IFACE_SETUP Message-ID: Precedence: bulk X-Mailing-List: linux-sound@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 that the Scarlett 2i2 1st Gen had: QUIRK_FLAG_SKIP_IFACE_SETUP causes distorted/flanging audio on the Scarlett 2i4 1st Gen (1235:800a). Fixes: 38c322068a26 ("ALSA: usb-audio: Add QUIRK_FLAG_SKIP_IFACE_SETUP") Reported-by: dcferreira [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 a28be9115440..4bed7d877d93 100644 --- a/sound/usb/quirks.c +++ b/sound/usb/quirks.c @@ -2424,6 +2424,7 @@ static const struct usb_audio_quirk_flags_table quirk_flags_table[] = { VENDOR_FLG(0x07fd, /* MOTU */ QUIRK_FLAG_VALIDATE_RATES), DEVICE_FLG(0x1235, 0x8006, 0), /* Focusrite Scarlett 2i2 1st Gen */ + DEVICE_FLG(0x1235, 0x800a, 0), /* Focusrite Scarlett 2i4 1st Gen */ VENDOR_FLG(0x1235, /* Focusrite Novation */ QUIRK_FLAG_SKIP_CLOCK_SELECTOR | QUIRK_FLAG_SKIP_IFACE_SETUP), -- 2.53.0