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Subject: Re: [PATCH] Bluetooth: btusb: Add one more Bluetooth part for the
 Realtek RTL8852AE
From:   Marcel Holtmann <marcel@holtmann.org>
In-Reply-To: <20220119201837.4135-1-Larry.Finger@lwfinger.net>
Date:   Fri, 21 Jan 2022 21:40:00 +0100
Cc:     "Gustavo F. Padovan" <gustavo@padovan.org>,
        Johan Hedberg <johan.hedberg@gmail.com>,
        linux-bluetooth@vger.kernel.org, Hilda Wu <hildawu@realtek.com>,
        stable@vger.kernel.org
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Message-Id: <5E2A1A33-8886-4565-9959-DD115A86D582@holtmann.org>
References: <20220119201837.4135-1-Larry.Finger@lwfinger.net>
To:     Larry Finger <Larry.Finger@lwfinger.net>
Precedence: bulk

Hi Larry,

> This Realtek device has both wifi and BT components. The latter reports
> a USB ID of 0bda:2852, which is not in the table.
> 
> BT device description in /sys/kernel/debug/usb/devices contains the following entries:
> 
> T: Bus=01 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=2852 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
> 
> The missing USB_ID was reported by user trius65 at https://github.com/lwfinger/rtw89/issues/122
> 
> Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
> Cc: stable@vger.kernel.org
> ---
> drivers/bluetooth/btusb.c | 2 ++
> 1 file changed, 2 insertions(+)

patch has been applied to bluetooth-next tree.

Regards

Marcel