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From d1dcbf615af6c3d743fed00833b409259feb540a Mon Sep 17 00:00:00 2001
From: Larry Finger <Larry.Finger@lwfinger.net>
Date: Tue, 28 Sep 2021 13:45:20 -0500
Subject: [PATCH] Bbluetooth: btusb: Add another Bluetooth part for Realtek 8852AE
Git-commit: d1dcbf615af6c3d743fed00833b409259feb540a
Patch-mainline: v5.16-rc1
References: bsc#1193655

This Realtek device has both wifi and BT components. The latter reports
a USB ID of 0bda:4852, which is not in the table.

When adding the new device, I noticed that the RTL8852AE was mentioned in
two places. These are now combined.

The portion of /sys/kernel/debug/usb/devices pertaining to this device is

T: Bus=06 Lev=01 Prnt=01 Port=03 Cnt=02 Dev#=  3 Spd=12   MxCh= 0
D: Ver= 1.00 Cls=e0(wlcon) Sub=01 Prot=01 MxPS=64 #Cfgs=  1
P: Vendor=0bda ProdID=4852 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

Cc: Stable <stable@vger.kernel.org>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Acked-by: Takashi Iwai <tiwai@suse.de>

---
 drivers/bluetooth/btusb.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index da85cc14f931..34363d3c85e5 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -384,8 +384,12 @@ static const struct usb_device_id blacklist_table[] = {
 	/* Realtek 8852AE Bluetooth devices */
 	{ USB_DEVICE(0x0bda, 0xc852), .driver_info = BTUSB_REALTEK |
 						     BTUSB_WIDEBAND_SPEECH },
+	{ USB_DEVICE(0x0bda, 0x4852), .driver_info = BTUSB_REALTEK |
+						     BTUSB_WIDEBAND_SPEECH },
 	{ USB_DEVICE(0x04c5, 0x165c), .driver_info = BTUSB_REALTEK |
 						     BTUSB_WIDEBAND_SPEECH },
+	{ USB_DEVICE(0x04ca, 0x4006), .driver_info = BTUSB_REALTEK |
+						     BTUSB_WIDEBAND_SPEECH },
 
 	/* Realtek Bluetooth devices */
 	{ USB_VENDOR_AND_INTERFACE_INFO(0x0bda, 0xe0, 0x01, 0x01),
@@ -456,10 +460,6 @@ static const struct usb_device_id blacklist_table[] = {
 	/* Additional Realtek 8822CE Bluetooth devices */
 	{ USB_DEVICE(0x04ca, 0x4005), .driver_info = BTUSB_REALTEK |
 						     BTUSB_WIDEBAND_SPEECH },
-	/* Bluetooth component of Realtek 8852AE device */
-	{ USB_DEVICE(0x04ca, 0x4006), .driver_info = BTUSB_REALTEK |
-						     BTUSB_WIDEBAND_SPEECH },
-
 	{ USB_DEVICE(0x04c5, 0x161f), .driver_info = BTUSB_REALTEK |
 						     BTUSB_WIDEBAND_SPEECH },
 	{ USB_DEVICE(0x0b05, 0x18ef), .driver_info = BTUSB_REALTEK |
-- 
2.31.1