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([2a01:e0a:3fd:be60:4077:be40:d68a:2e71]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-45b7e8876c9sm95167305e9.11.2025.08.30.16.35.15 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sat, 30 Aug 2025 16:35:16 -0700 (PDT) Message-ID: <02cf444e-d05f-4af9-89ce-96276e29be14@gmail.com> Date: Sun, 31 Aug 2025 01:35:15 +0200 Precedence: bulk X-Mailing-List: linux-bluetooth@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Content-Language: en-US To: linux-bluetooth@vger.kernel.org Cc: marcel@holtmann.org, luiz.dentz@gmail.com, linux-kernel@vger.kernel.org From: 3 Subject: [PATCH] Bluetooth: btusb: Add support for Mercusys MA530 Bluetooth adapter Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit From 5d970b05c726749908540bf7d5ee34d634bf16c2 Mon Sep 17 00:00:00 2001 From: elespink Date: Sun, 31 Aug 2025 01:06:10 +0200 Subject: [PATCH] Bluetooth: btusb: Add support for Mercusys MA530 Bluetooth  adapter Add support for a Realtek-based Mercusys MA530 Bluetooth 5.3 USB dongle which works with USB ID 2c4e:0115. This device was not recognized by the kernel with the original device list and thus was non-functional. The device is misreported in lsusb as "Mercucys INC Meucusys MA530 Adapter". ---  drivers/bluetooth/btusb.c | 4 ++++  1 file changed, 4 insertions(+) diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c index 8085fabadde8..94984791e454 100644 --- a/drivers/bluetooth/btusb.c +++ b/drivers/bluetooth/btusb.c @@ -597,6 +597,10 @@ static const struct usb_device_id quirks_table[] = {      { USB_VENDOR_AND_INTERFACE_INFO(0x0bda, 0xe0, 0x01, 0x01),        .driver_info = BTUSB_REALTEK }, +    /* Mercusys MA530 Adapter */ +    { USB_DEVICE(0x2c4e, 0x0115), .driver_info = BTUSB_REALTEK | +                             BTUSB_WIDEBAND_SPEECH }, +      /* MediaTek Bluetooth devices */      { USB_VENDOR_AND_INTERFACE_INFO(0x0e8d, 0xe0, 0x01, 0x01),        .driver_info = BTUSB_MEDIATEK | -- 2.51.0