This is a note to let you know that I've just added the patch titled Bluetooth: Add additional Bluetooth part for Realtek 8852AE to the 5.14-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: bluetooth-add-additional-bluetooth-part-for-realtek-8852ae.patch and it can be found in the queue-5.14 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From 6eefec4a0b668de9bbb33bd3e7acfbcc794162b0 Mon Sep 17 00:00:00 2001 From: Larry Finger <Larry.Finger@xxxxxxxxxxxx> Date: Wed, 4 Aug 2021 09:50:33 -0500 Subject: Bluetooth: Add additional Bluetooth part for Realtek 8852AE From: Larry Finger <Larry.Finger@xxxxxxxxxxxx> commit 6eefec4a0b668de9bbb33bd3e7acfbcc794162b0 upstream. This Realtek device has both wifi and BT components. The latter reports a USB ID of 04ca:4006, which is not in the table. The portion of /sys/kernel/debug/usb/devices pertaining to this device is T: Bus=02 Lev=01 Prnt=01 Port=12 Cnt=04 Dev#= 4 Spd=12 MxCh= 0 D: Ver= 1.00 Cls=e0(wlcon) Sub=01 Prot=01 MxPS=64 #Cfgs= 1 P: Vendor=04ca ProdID=4006 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 Signed-off-by: Larry Finger <Larry.Finger@xxxxxxxxxxxx> Cc: Stable <stable@xxxxxxxxxxxxxxx> Signed-off-by: Marcel Holtmann <marcel@xxxxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/bluetooth/btusb.c | 4 ++++ 1 file changed, 4 insertions(+) --- a/drivers/bluetooth/btusb.c +++ b/drivers/bluetooth/btusb.c @@ -452,6 +452,10 @@ static const struct usb_device_id blackl /* 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 | Patches currently in stable-queue which might be from Larry.Finger@xxxxxxxxxxxx are queue-5.14/bluetooth-add-additional-bluetooth-part-for-realtek-8852ae.patch