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Date:   Mon, 27 Sep 2021 20:50:49 -0700
Subject: Re: [PATCH] bluetooth: Add another Bluetooth part for Realtek 8852AE
From:   Tedd An <tedd.an@linux.intel.com>
To:     Larry Finger <Larry.Finger@lwfinger.net>,
        Marcel Holtmann <marcel@holtmann.org>,
        Gustavo Padovan <gustavo@padovan.org>,
        Johan Hedberg <johan.hedberg@gmail.com>
CC:     <linux-bluetooth@vger.kernel.org>, Hilda Wu <hildawu@realtek.com>,
        Stable <stable@vger.kernel.org>
Message-ID: <16103760-4979-45E1-9BEF-09618B584F1C@linux.intel.com>
Thread-Topic: [PATCH] bluetooth: Add another Bluetooth part for Realtek 8852AE
References: <20210927204302.10871-1-Larry.Finger@lwfinger.net>
In-Reply-To: <20210927204302.10871-1-Larry.Finger@lwfinger.net>
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Hi Larry

﻿On 9/27/21, 1:43 PM, "Larry Finger" <larry.finger@gmail.com on behalf of Larry.Finger@lwfinger.net> wrote:

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

    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

    Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
    Cc: Stable <stable@vger.kernel.org>
    ---
     drivers/bluetooth/btusb.c | 2 ++
     1 file changed, 2 insertions(+)

    diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
    index 60d2fce59a71..7e1e43c216ec 100644
    --- a/drivers/bluetooth/btusb.c
    +++ b/drivers/bluetooth/btusb.c
    @@ -384,6 +384,8 @@ 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 },

Not able to apply patch to the bluetooth-next thus cannot run CI.
Please rebase to the tip and submit again.

     	/* Realtek Bluetooth devices */
     	{ USB_VENDOR_AND_INTERFACE_INFO(0x0bda, 0xe0, 0x01, 0x01),
    -- 
    2.33.0

Regards,
Tedd