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[123.194.40.181]) by smtp.googlemail.com with ESMTPSA id d2e1a72fcca58-84164ac9fa5sm9871585b3a.1.2026.05.25.09.19.47 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 25 May 2026 09:20:00 -0700 (PDT) From: Zenm Chen To: marcel@holtmann.org, luiz.dentz@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org Cc: pkshih@realtek.com, max.chou@realtek.com, hildawu@realtek.com, rtl8821cerfe2@gmail.com, guillem@gservera.com, zenmchen@gmail.com, stable@vger.kernel.org Subject: [PATCH] Bluetooth: btusb: Add USB ID 2c4e:0128 for Mercusys MA60XNB Date: Tue, 26 May 2026 00:19:42 +0800 Message-ID: <20260525161942.5206-1-zenmchen@gmail.com> X-Mailer: git-send-email 2.53.0 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 Content-Type: text/plain; charset="utf-8" Add USB ID 2c4e:0128 for Mercusys MA60XNB, an RTL8851BU-based Wi-Fi + Bluetooth adapter. The information in /sys/kernel/debug/usb/devices about the Bluetooth device is listed as the below: T: Bus=3D03 Lev=3D01 Prnt=3D01 Port=3D04 Cnt=3D01 Dev#=3D 3 Spd=3D480 Mx= Ch=3D 0 D: Ver=3D 2.00 Cls=3Def(misc ) Sub=3D02 Prot=3D01 MxPS=3D64 #Cfgs=3D 1 P: Vendor=3D2c4e ProdID=3D0128 Rev=3D 0.00 S: Manufacturer=3DRealtek S: Product=3D802.11ax WLAN Adapter S: SerialNumber=3D00e04c000001 C:* #Ifs=3D 3 Cfg#=3D 1 Atr=3De0 MxPwr=3D500mA A: FirstIf#=3D 0 IfCount=3D 2 Cls=3De0(wlcon) Sub=3D01 Prot=3D01 I:* If#=3D 0 Alt=3D 0 #EPs=3D 3 Cls=3De0(wlcon) Sub=3D01 Prot=3D01 Driver= =3Dbtusb E: Ad=3D81(I) Atr=3D03(Int.) MxPS=3D 16 Ivl=3D1ms E: Ad=3D02(O) Atr=3D02(Bulk) MxPS=3D 512 Ivl=3D0ms E: Ad=3D82(I) Atr=3D02(Bulk) MxPS=3D 512 Ivl=3D0ms I:* If#=3D 1 Alt=3D 0 #EPs=3D 2 Cls=3De0(wlcon) Sub=3D01 Prot=3D01 Driver= =3Dbtusb E: Ad=3D03(O) Atr=3D01(Isoc) MxPS=3D 0 Ivl=3D1ms E: Ad=3D83(I) Atr=3D01(Isoc) MxPS=3D 0 Ivl=3D1ms I: If#=3D 1 Alt=3D 1 #EPs=3D 2 Cls=3De0(wlcon) Sub=3D01 Prot=3D01 Driver= =3Dbtusb E: Ad=3D03(O) Atr=3D01(Isoc) MxPS=3D 9 Ivl=3D1ms E: Ad=3D83(I) Atr=3D01(Isoc) MxPS=3D 9 Ivl=3D1ms I: If#=3D 1 Alt=3D 2 #EPs=3D 2 Cls=3De0(wlcon) Sub=3D01 Prot=3D01 Driver= =3Dbtusb E: Ad=3D03(O) Atr=3D01(Isoc) MxPS=3D 17 Ivl=3D1ms E: Ad=3D83(I) Atr=3D01(Isoc) MxPS=3D 17 Ivl=3D1ms I: If#=3D 1 Alt=3D 3 #EPs=3D 2 Cls=3De0(wlcon) Sub=3D01 Prot=3D01 Driver= =3Dbtusb E: Ad=3D03(O) Atr=3D01(Isoc) MxPS=3D 25 Ivl=3D1ms E: Ad=3D83(I) Atr=3D01(Isoc) MxPS=3D 25 Ivl=3D1ms I: If#=3D 1 Alt=3D 4 #EPs=3D 2 Cls=3De0(wlcon) Sub=3D01 Prot=3D01 Driver= =3Dbtusb E: Ad=3D03(O) Atr=3D01(Isoc) MxPS=3D 33 Ivl=3D1ms E: Ad=3D83(I) Atr=3D01(Isoc) MxPS=3D 33 Ivl=3D1ms I: If#=3D 1 Alt=3D 5 #EPs=3D 2 Cls=3De0(wlcon) Sub=3D01 Prot=3D01 Driver= =3Dbtusb E: Ad=3D03(O) Atr=3D01(Isoc) MxPS=3D 49 Ivl=3D1ms E: Ad=3D83(I) Atr=3D01(Isoc) MxPS=3D 49 Ivl=3D1ms I: If#=3D 1 Alt=3D 6 #EPs=3D 2 Cls=3De0(wlcon) Sub=3D01 Prot=3D01 Driver= =3Dbtusb E: Ad=3D03(O) Atr=3D01(Isoc) MxPS=3D 63 Ivl=3D1ms E: Ad=3D83(I) Atr=3D01(Isoc) MxPS=3D 63 Ivl=3D1ms I:* If#=3D 2 Alt=3D 0 #EPs=3D 8 Cls=3Dff(vend.) Sub=3Dff Prot=3Dff Driver= =3Drtw89_8851bu E: Ad=3D84(I) Atr=3D02(Bulk) MxPS=3D 512 Ivl=3D0ms E: Ad=3D05(O) Atr=3D02(Bulk) MxPS=3D 512 Ivl=3D0ms E: Ad=3D06(O) Atr=3D02(Bulk) MxPS=3D 512 Ivl=3D0ms E: Ad=3D07(O) Atr=3D02(Bulk) MxPS=3D 512 Ivl=3D0ms E: Ad=3D09(O) Atr=3D02(Bulk) MxPS=3D 512 Ivl=3D0ms E: Ad=3D0a(O) Atr=3D02(Bulk) MxPS=3D 512 Ivl=3D0ms E: Ad=3D0b(O) Atr=3D02(Bulk) MxPS=3D 512 Ivl=3D0ms E: Ad=3D0c(O) Atr=3D02(Bulk) MxPS=3D 512 Ivl=3D0ms Cc: stable@vger.kernel.org # 6.6.x Signed-off-by: Zenm Chen --- drivers/bluetooth/btusb.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c index 3523d86a4..a13f10c7a 100644 --- a/drivers/bluetooth/btusb.c +++ b/drivers/bluetooth/btusb.c @@ -532,6 +532,8 @@ static const struct usb_device_id quirks_table[] =3D { BTUSB_WIDEBAND_SPEECH }, { USB_DEVICE(0x7392, 0xe611), .driver_info =3D BTUSB_REALTEK | BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x2c4e, 0x0128), .driver_info =3D BTUSB_REALTEK | + BTUSB_WIDEBAND_SPEECH }, =20 /* Realtek 8852AE Bluetooth devices */ { USB_DEVICE(0x0bda, 0x2852), .driver_info =3D BTUSB_REALTEK | --=20 2.53.0