Bug#1106386: [PATCH] Bluetooth: btusb: Add support for variant of RTL8851BE (USB ID 13d3:3601)

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From	Uwe Kleine-König <ukleinek@debian.org>
Newsgroups	linux.debian.bugs.dist, linux.debian.kernel
Subject	Bug#1106386: [PATCH] Bluetooth: btusb: Add support for variant of RTL8851BE (USB ID 13d3:3601)
Date	Thu, 29 May 2025 18:30:01 +0200
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Cross-posted to 2 groups.

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Teach the btusb driver to recognize another variant of the RTL8851BE
bluetooth radio.

/sys/kernel/debug/usb/devices reports for that device:

	T:  Bus=03 Lev=01 Prnt=01 Port=02 Cnt=01 Dev#=  2 Spd=12   MxCh= 0
	D:  Ver= 1.00 Cls=e0(wlcon) Sub=01 Prot=01 MxPS=64 #Cfgs=  1
	P:  Vendor=13d3 ProdID=3601 Rev= 0.00
	S:  Manufacturer=Realtek
	S:  Product=Bluetooth Radio
	S:  SerialNumber=00e04c000001
	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
	I:  If#= 1 Alt= 6 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
	E:  Ad=03(O) Atr=01(Isoc) MxPS=  63 Ivl=1ms
	E:  Ad=83(I) Atr=01(Isoc) MxPS=  63 Ivl=1ms

Reported-by: shdeb <shdeb3000000@gmail.com>
Link: https://bugs.debian.org/1106386
Signed-off-by: Uwe Kleine-König <ukleinek@debian.org>
---
 drivers/bluetooth/btusb.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index 3016ee9f2932..39536d4b3d5a 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -515,6 +515,7 @@ static const struct usb_device_id quirks_table[] = {
 	/* Realtek 8851BE Bluetooth devices */
 	{ USB_DEVICE(0x0bda, 0xb850), .driver_info = BTUSB_REALTEK },
 	{ USB_DEVICE(0x13d3, 0x3600), .driver_info = BTUSB_REALTEK },
+	{ USB_DEVICE(0x13d3, 0x3601), .driver_info = BTUSB_REALTEK },
 
 	/* Realtek 8851BU Bluetooth devices */
 	{ USB_DEVICE(0x3625, 0x010b), .driver_info = BTUSB_REALTEK |

base-commit: 2a628f951ed54c30a232230b5b58349d2a8dbb11
-- 
2.47.2

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Bug#1106386: [PATCH] Bluetooth: btusb: Add support for variant of RTL8851BE (USB ID 13d3:3601) Uwe Kleine-König <ukleinek@debian.org> - 2025-05-29 18:30 +0200
  Bug#1106386: [PATCH] Bluetooth: btusb: Add support for variant of RTL8851BE (USB ID 13d3:3601) patchwork-bot+bluetooth@kernel.org - 2025-05-30 19:40 +0200

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