From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 3A3FD369D67; Wed, 20 May 2026 17:30:52 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779298253; cv=none; b=sVR5anLB1PrwhCRYRGxel6PjY06OGHEqDunkLRbX1yHDkuCz8jjadQC9v2sWS1DrqSNGUIyq1xRW8B665mJnm+YD9G1iTXN1pdCFLYHj+aXfPB5l7Tavm9LZ+9peqaGjkUYpoOSAKXOzW7CkZTYzqujv4K9mIGNefRRr9MF/yiY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779298253; c=relaxed/simple; bh=Smrk8CanUMdpRxutJaWzTUTvkfQuFdpzq8lqw5B5so0=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=sfVqU7HGtRS1cVl7kSTiOniQdXv+1ukAk8y2orYixsBE5FMAoI42dgJrTdfUE+Ad19Wt9Prctz5z/CLROHrt0QhCzLhda/C+3+gmYPLnX+UYormDfN6o6sVnFjAfGph4GST/LE5OPMRnnNjToFMHNW1DkAE0d3YZXnnQLwD6Wp8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=TRbuX8B0; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="TRbuX8B0" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9F8D11F000E9; Wed, 20 May 2026 17:30:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1779298252; bh=oKUn5C4VkEIeTf60FnZS8Xs+UKCMKnsGUn4qBiQkdTY=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=TRbuX8B0gDJ4ZIeEvpgcfZdZWsBLXa8PzhptjnaIE5p6jA67d8WTqoihXyRvjhnpK qUMGOJzbRoV8ochRQ9wpInlCEZCjLaOgZFCmrMcq1OJkBsFDNeDZZNNCGgXwPzss6J 8QAPE6v1zSpX5cSqPchPlAtusBlleIC/mapzBEyM= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, "Geoffrey D. Bennett" , Takashi Iwai , Sasha Levin Subject: [PATCH 6.18 339/957] ALSA: usb-audio: Exclude Scarlett 18i20 1st Gen from SKIP_IFACE_SETUP Date: Wed, 20 May 2026 18:13:42 +0200 Message-ID: <20260520162141.884141935@linuxfoundation.org> X-Mailer: git-send-email 2.54.0 In-Reply-To: <20260520162134.554764788@linuxfoundation.org> References: <20260520162134.554764788@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.18-stable review patch. If anyone has any objections, please let me know. ------------------ From: Geoffrey D. Bennett [ Upstream commit a47306a74c31557b1e5cab54642950bbb20294cb ] 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 Link: https://patch.msgid.link/ad0ozNnkcFrcjVQz@m.b4.vu Signed-off-by: Takashi Iwai Signed-off-by: Sasha Levin --- sound/usb/quirks.c | 1 + 1 file changed, 1 insertion(+) diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c index a2c039a1b3cd6..f21e708675422 100644 --- a/sound/usb/quirks.c +++ b/sound/usb/quirks.c @@ -2426,6 +2426,7 @@ 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 */ DEVICE_FLG(0x1235, 0x801c, 0), /* Focusrite Scarlett Solo 1st Gen */ VENDOR_FLG(0x1235, /* Focusrite Novation */ -- 2.53.0