From nobody Tue Mar 3 05:27:00 2026 Received: from sender4-op-o15.zoho.com (sender4-op-o15.zoho.com [136.143.188.15]) (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 134D83859FD; Mon, 2 Mar 2026 18:59:35 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=pass smtp.client-ip=136.143.188.15 ARC-Seal: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772477977; cv=pass; b=SaxK2/gc0XdBAsshZ1ZqVzZDHD8q+B90FjjVBopDnLMJW4rMxzIGNAMhuHQVCd861EzZIU78PNFcqgVbzJUPowjaWMCzrc6PFRjKfnSlENkuk35FM8Sn3MtzW4toTGvH4/7TkUdYWQYqx3/s5WvrpYBSW2OToOYdQHSK+ffkn+s= ARC-Message-Signature: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772477977; c=relaxed/simple; bh=E90wE1wuk4q4Njnn47OTbEtjKUtAuOq3F6cInIdE8Rc=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=uOSrccauFBes6AeB5V/WhAzWIOY9XJNQNOt+rPDtS877kgzwxmmPd6Zmst/i8/pbHLgAqzdxY8SgMPN6HiezL21DmgZasiz5yTbcoGWBFTZVdrr7pLxJv7Ib14Mle/QfhIDWu6OCtiKKVK7Tdv5ZCj3KLmHhOAvvwHPLC9mVg7c= ARC-Authentication-Results: i=2; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=rong.moe; spf=pass smtp.mailfrom=rong.moe; dkim=pass (2048-bit key) header.d=rong.moe header.i=i@rong.moe header.b=qshaKfVa; arc=pass smtp.client-ip=136.143.188.15 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=rong.moe Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=rong.moe Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=rong.moe header.i=i@rong.moe header.b="qshaKfVa" ARC-Seal: i=1; a=rsa-sha256; t=1772477963; cv=none; d=zohomail.com; s=zohoarc; b=Fk+PViuctFmzl4E29n73RX5qEl+I3CegOvnEEeFK5GdgwBkE/xwEZvhbFtNbbrYgiEWeIqlHz7YRskrTBPkF49uK/QEe7wOzE8n/j0RS2LktBlpbN1shKsJ94h7e4gW47MpcDLn3HuoOCanmtYv9jiOnA7/2o+JDvmBhVqp7hJI= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1772477963; h=Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:MIME-Version:Message-ID:References:Subject:Subject:To:To:Message-Id:Reply-To; bh=8ZCcQUb9VW8DjR9aznsCaYh+9K7iFtDmGRjmJ8Tn9pw=; b=me0/ZCjGFpzpGBHqpU1Mn2ZtxyR8TjR28ky1DR8SRH801Y/PjjPoNQuyrgmTh25IzSnKU4/FIg4rXlAj1YxR4vy1wfGt7+omGHDi8zyNL0wUpZEmSvhmFmMO3IpV4kf+VGbBTJn36qtMoRWai0vAMa5Gy18XMPfQ8rwTIgNwnas= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass header.i=rong.moe; spf=pass smtp.mailfrom=i@rong.moe; dmarc=pass header.from= DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; t=1772477963; s=zmail2048; d=rong.moe; i=i@rong.moe; h=From:From:To:To:Cc:Cc:Subject:Subject:Date:Date:Message-ID:In-Reply-To:References:MIME-Version:Content-Transfer-Encoding:Message-Id:Reply-To; bh=8ZCcQUb9VW8DjR9aznsCaYh+9K7iFtDmGRjmJ8Tn9pw=; b=qshaKfVa2Jt8DycIzyA6SOrnd+7iEaHo5cBt7yo/rQ+xC0MwBZEX+R7e9n16o6pW 0W+PbqHLJw6BUmjwBrEzuI87qPZvUklAE8NYPNxk+dQSQumUMqEq9G+GxgO1XXQj+uI yCXV/yVxgruHimudooMdDOovlfWC508VtArTt3LBYC/0iIr6VY7xWVBDWoEYl1Jm+43 FRt6R+rgvwwkLA52z1Om22tiQ07wm1kEtzfHyeA7r5HXLMDwTWIdyAGkW+Fs5CCT3fg nfu4lotkrFYuDXoyWcBw3parV/rJf/gdEPG7FW7ghs+ZhMTHMBzbvDljJ+OsVt6p/Pf PNwV96dKiw== Received: by mx.zohomail.com with SMTPS id 1772477962321798.6615877962031; Mon, 2 Mar 2026 10:59:22 -0800 (PST) From: Rong Zhang To: Jaroslav Kysela , Takashi Iwai Cc: Rong Zhang , Jonathan Corbet , Shuah Khan , Cryolitia PukNgae , Arun Raghavan , linux-sound@vger.kernel.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, Icenowy Zheng Subject: [PATCH v2 5/8] ALSA: usb-audio: Deconflict VID between Focusrite Novation & MV-SILICON Date: Tue, 3 Mar 2026 02:58:56 +0800 Message-ID: <20260302185900.427415-6-i@rong.moe> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260302185900.427415-1-i@rong.moe> References: <20260302185900.427415-1-i@rong.moe> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-ZohoMailClient: External Content-Type: text/plain; charset="utf-8" MV-SILICON is a SoC manufacturer producing multifunctional audio SoCs. Many budget-oriented OEM devices are built on top of them. However, some of them are just too budget-constrained that their manufacturers didn't even have a USB VID and simply picked a random VID. Some OEMs unfortunately picked the VID of Focusrite Novation (0x1235), resulting in VID conflicts as we had defined a VENDOR_FLG() for the latter. Add a VENDOR_STRING_FLG() for MV-SILICON to stop the matching procedure for these quirky devices, so that quirk flags for Focusrite Novation won't be accidentally applied on them. Quirky device samples: usb 7-1: New USB device found, idVendor=3D1235, idProduct=3D0003, bcdDevi= ce=3D 1.00 usb 7-1: New USB device strings: Mfr=3D1, Product=3D2, SerialNumber=3D3 usb 7-1: Product: G1 usb 7-1: Manufacturer: MV-SILICON usb 7-1: SerialNumber: 20190808 usb 7-1: New USB device found, idVendor=3D1235, idProduct=3D0003, bcdDevi= ce=3D 1.00 usb 7-1: New USB device strings: Mfr=3D1, Product=3D2, SerialNumber=3D3 usb 7-1: Product: mvsilicon B1 usb audio usb 7-1: Manufacturer: MV-SILICON usb 7-1: SerialNumber: 20190808 usb 1-1.2: New USB device found, idVendor=3D1235, idProduct=3D0002, bcdDe= vice=3D 1.00 usb 1-1.2: New USB device strings: Mfr=3D1, Product=3D2, SerialNumber=3D.= .. usb 1-1.2: Product: V8 usb 1-1.2: Manufacturer: MV-SILICON usb 1-1.2: SerialNumber: ... * https://github.com/linuxhw/Dmesg/blob/main/Desktop/Others/Intel/Intel%2= 0X79/96ED1CC44499/LINUXMINT-19.3/5.0.0-32-GENERIC/X86_64/5BE1E4C74C#L1122 usb 2-1.6: New USB device found, idVendor=3D1235, idProduct=3D0002, bcdDe= vice=3D 1.00 usb 2-1.6: New USB device strings: Mfr=3D1, Product=3D2, SerialNumber=3D.= .. usb 2-1.6: Product: V9 usb 2-1.6: Manufacturer: MV-SILICON usb 2-1.6: SerialNumber: ... * https://github.com/linuxhw/Dmesg/blob/main/Desktop/Hewlett-Packard/ProL= iant/ProLiant%20ML110%20G6/79B1D707316A/KUBUNTU-21.04/5.11.0-33-GENERIC/X86= _64/A43F59C4AB#L1009 Signed-off-by: Rong Zhang --- sound/usb/quirks.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c index 8deeb9d247500..c5b89d7964b48 100644 --- a/sound/usb/quirks.c +++ b/sound/usb/quirks.c @@ -2440,6 +2440,9 @@ static const struct usb_audio_quirk_flags_table quirk= _flags_table[] =3D { QUIRK_FLAG_ALIGN_TRANSFER), =20 /* Vendor and string descriptor matches */ + VENDOR_STRING_FLG(0x1235, /* VID conflict with Focusrite Novation */ + "MV-SILICON", + 0), /* Stop matching */ =20 /* Vendor matches */ VENDOR_FLG(0x045e, /* MS Lifecam */ --=20 2.51.0