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 D30C04E4C35; Fri, 9 Oct 2026 14:48:54 +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=1791557335; cv=none; b=A6t6SsfMPbaOAE1mTzQYSmumb9H8/RnosNSv0d4P6ct4S/EtGS2UBv9O8G9h9ZoT9zXrLVaeyzpTfYWOISBau44lLsEFmDNMKbltYn7xBJHvqVV8dY+Ffq+UGGOIjnUF7jBUnaeR1SqkxsAgtbCJrE38+0MHDDo/AXHJjWCBziw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1791557335; c=relaxed/simple; bh=iTLpU/hrsJ9NFPpbyiFmWZ4z4AX/QvQAjhhGVgOodrk=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=eEHrzPo6QLtoMRgRhh4ehm1O2R4GJQsbbRG00YqvUOUVRkUozat/Ul3Hx75BH4f5aqVBjF6YZ/Q+uMykiD0i/tzCYks6frMlDXBPWKLL0GUNhR0OGGDzTClvSuJVCj6CwjFsjFlWrCKLwakM19bsF14X6ioFpdKHEuwcHsZmPVU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=PPZCFJxp; 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="PPZCFJxp" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 3A65A1F000FF; Fri, 9 Oct 2026 14:48:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1791557334; bh=tV729A6j+iQVVzo5upyAukParvaGM4Wv1xkI3NwgRq8=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=PPZCFJxp7ZZV+wVuf6vtUhnO5IcMA6qHwI+b1NGxPxw7aRw2SOLUBElteo6Bf/ozn nzL+hwUBdeLACA6aJuc0B0fmC05EaJLkRBsyKRHf5i9rQXOT6CrGuL1/gARhdJbFFh PmzwNnqFNvwEOGo/HP4xEJwpTRm253DwGDHDvVo0= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, =?UTF-8?q?J=C3=A9r=C3=A9my=20Carrat?= , Johan Hovold Subject: [PATCH 7.2 339/428] USB: serial: cp210x: add Corsair AX1500i Power Supply Date: Fri, 9 Oct 2026 16:11:16 +0200 Message-ID: <20261009140953.593642181@linuxfoundation.org> X-Mailer: git-send-email 2.56.0 In-Reply-To: <20261009140946.008206689@linuxfoundation.org> References: <20261009140946.008206689@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-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 7.2-stable review patch. If anyone has any objections, please let me know. ------------------ From: Jérémy Carrat commit d84e27d87738634b92001500435ae4dadba10a13 upstream. The Corsair AX1500i power supply exposes its Corsair Link monitoring interface on a mini-USB port through an on-board CP2103, using a Corsair-specific product ID. Without the ID in the table no driver binds and no tty is created. Tested by forcing the driver association with echo 1b1c 1c02 > /sys/bus/usb-serial/drivers/cp210x/new_id and then setting the serial port to 115200 8N1. Adding the ID is sufficient to talk to the device: the tty reaches a USB-to-SMBus bridge sitting behind the UART, which identifies itself as "USB to SMB Bridge (Firmware by Ross Fosler)" version 0.9 and relays PMBus reads to the power supply controller. Input voltage and current, input and output power, internal temperature and fan speed were all read back on an AX1500i. [ 7.806181] usb 3-14: New USB device found, idVendor=1b1c, idProduct=1c02, bcdDevice= 1.00 [ 698.526754] usbcore: registered new interface driver cp210x [ 698.526767] usbserial: USB Serial support registered for cp210x [ 698.527863] cp210x 3-14:1.0: cp210x converter detected [ 698.529263] usb 3-14: cp210x converter now attached to ttyUSB0 The related AX1600i (1b1c:1c11, iProduct "USB API") is expected to be the same kind of device but has not been tested here, so it is not added. Cc: stable@vger.kernel.org Signed-off-by: Jérémy Carrat Signed-off-by: Johan Hovold Signed-off-by: Greg Kroah-Hartman --- drivers/usb/serial/cp210x.c | 1 + 1 file changed, 1 insertion(+) --- a/drivers/usb/serial/cp210x.c +++ b/drivers/usb/serial/cp210x.c @@ -223,6 +223,7 @@ static const struct usb_device_id id_tab { USB_DEVICE(0x19CF, 0x3000) }, /* Parrot NMEA GPS Flight Recorder */ { USB_DEVICE(0x1ADB, 0x0001) }, /* Schweitzer Engineering C662 Cable */ { USB_DEVICE(0x1B1C, 0x1C00) }, /* Corsair USB Dongle */ + { USB_DEVICE(0x1B1C, 0x1C02) }, /* Corsair AX1500i Power Supply */ { USB_DEVICE(0x1B93, 0x1013) }, /* Phoenix Contact UPS Device */ { USB_DEVICE(0x1BA4, 0x0002) }, /* Silicon Labs 358x factory default */ { USB_DEVICE(0x1BE3, 0x07A6) }, /* WAGO 750-923 USB Service Cable */