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[78.3.31.174]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-48a5499b0edsm160801045e9.14.2026.04.22.14.26.51 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 22 Apr 2026 14:26:51 -0700 (PDT) From: Hrvoje Nuic To: marcel@holtmann.org, luiz.dentz@gmail.com Cc: linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, Hrvoje Nuic Subject: [PATCH] Bluetooth: btusb: Add Mercusys MA530 for Realtek RTL8761BUV Date: Wed, 22 Apr 2026 23:26:47 +0200 Message-Id: <20260422212647.62497-1-hrvoje.nuic@gmail.com> X-Mailer: git-send-email 2.34.1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Add the USB ID for the Mercusys MA530 Bluetooth adapter. The device uses a Realtek RTL8761BUV controller and works with the existing Realtek setup path. The device reports vendor ID 0x2c4e and product ID 0x0115, and loads the rtl_bt/rtl8761bu_fw.bin firmware successfully with this quirk. Signed-off-by: Hrvoje Nuic --- drivers/bluetooth/btusb.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c index 5f57953393be..a0a7da498466 100644 --- a/drivers/bluetooth/btusb.c +++ b/drivers/bluetooth/btusb.c @@ -818,6 +818,8 @@ static const struct usb_device_id quirks_table[] = { { USB_DEVICE(0x2ff8, 0xb011), .driver_info = BTUSB_REALTEK }, /* Additional Realtek 8761BUV Bluetooth devices */ + { USB_DEVICE(0x2c4e, 0x0115), .driver_info = BTUSB_REALTEK | + BTUSB_WIDEBAND_SPEECH }, { USB_DEVICE(0x2357, 0x0604), .driver_info = BTUSB_REALTEK | BTUSB_WIDEBAND_SPEECH }, { USB_DEVICE(0x0b05, 0x190e), .driver_info = BTUSB_REALTEK | -- 2.34.1