linux-kernel - [PATCH] Bluetooth: btusb: Add Mercusys MA530 HWID 0x2c4e/0x0115 for Realtek 8761BUV

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Message-Id: <20250225155825.1504841-1-mprnk@o2.pl>
Date: Tue, 25 Feb 2025 16:58:25 +0100
From: Michal Piernik <mprnk@...pl>
To: Marcel Holtmann <marcel@...tmann.org>,
	Luiz Augusto von Dentz <luiz.dentz@...il.com>
Cc: Michal Piernik <mprnk@...pl>,
	linux-bluetooth@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH] Bluetooth: btusb: Add Mercusys MA530 HWID 0x2c4e/0x0115 for Realtek 8761BUV

/sys/kernel/debug/usb/devices:
T:  Bus=03 Lev=01 Prnt=01 Port=05 Cnt=03 Dev#=  4 Spd=12   MxCh= 0
D:  Ver= 1.10 Cls=e0(wlcon) Sub=01 Prot=01 MxPS=64 #Cfgs=  1
P:  Vendor=2c4e ProdID=0115 Rev= 2.00
S:  Manufacturer=
S:  Product=Mercusys MA530 Adapter
S:  SerialNumber=30169D905719
C:* #Ifs= 2 Cfg#= 1 Atr=e0 MxPwr=500mA
I:* If#= 0 Alt= 0 #EPs= 3 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E:  Ad=81(I) Atr=03(Int.) MxPS=  16 Ivl=1ms
E:  Ad=02(O) Atr=02(Bulk) MxPS=  64 Ivl=0ms
E:  Ad=82(I) Atr=02(Bulk) MxPS=  64 Ivl=0ms
I:* If#= 1 Alt= 0 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E:  Ad=03(O) Atr=01(Isoc) MxPS=   0 Ivl=1ms
E:  Ad=83(I) Atr=01(Isoc) MxPS=   0 Ivl=1ms
I:  If#= 1 Alt= 1 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E:  Ad=03(O) Atr=01(Isoc) MxPS=   9 Ivl=1ms
E:  Ad=83(I) Atr=01(Isoc) MxPS=   9 Ivl=1ms
I:  If#= 1 Alt= 2 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E:  Ad=03(O) Atr=01(Isoc) MxPS=  17 Ivl=1ms
E:  Ad=83(I) Atr=01(Isoc) MxPS=  17 Ivl=1ms
I:  If#= 1 Alt= 3 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E:  Ad=03(O) Atr=01(Isoc) MxPS=  25 Ivl=1ms
E:  Ad=83(I) Atr=01(Isoc) MxPS=  25 Ivl=1ms
I:  If#= 1 Alt= 4 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E:  Ad=03(O) Atr=01(Isoc) MxPS=  33 Ivl=1ms
E:  Ad=83(I) Atr=01(Isoc) MxPS=  33 Ivl=1ms
I:  If#= 1 Alt= 5 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E:  Ad=03(O) Atr=01(Isoc) MxPS=  49 Ivl=1ms
E:  Ad=83(I) Atr=01(Isoc) MxPS=  49 Ivl=1ms

dmesg:
[11106.761376] Bluetooth: hci0: RTL: examining hci_ver=0a hci_rev=000b lmp_ver=0a lmp_subver=8761
[11106.762370] Bluetooth: hci0: RTL: rom_version status=0 version=1
[11106.762374] Bluetooth: hci0: RTL: loading rtl_bt/rtl8761bu_fw.bin
[11106.762554] Bluetooth: hci0: RTL: loading rtl_bt/rtl8761bu_config.bin
[11106.762579] Bluetooth: hci0: RTL: cfg_sz 6, total sz 30210
[11106.910393] Bluetooth: hci0: RTL: fw version 0xdfc6d922
[11106.977569] Bluetooth: MGMT ver 1.22

Signed-off-by: Michal Piernik <mprnk@...pl>
---
 drivers/bluetooth/btusb.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index f5609110f..0fc1dde8f 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -739,6 +739,8 @@ 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