linux-kernel - Re: [PATCH v2 2/2] Bluetooth: btusb: Add protocol for MediaTek bluetooth devices(MT7922)

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Message-Id: <B3203CDE-D56D-437A-9A4E-262EA871F1D3@holtmann.org>
Date:   Wed, 1 Sep 2021 07:38:54 +0200
From:   Marcel Holtmann <marcel@...tmann.org>
To:     "Mark-YW Chen (陳揚文)" 
        <Mark-YW.Chen@...iatek.com>
Cc:     Johan Hedberg <johan.hedberg@...il.com>, chris.lu@...iatek.com,
        linux-bluetooth@...r.kernel.org,
        linux-mediatek@...ts.infradead.org, linux-kernel@...r.kernel.org,
        michaelfsun@...gle.com, mcchou@...omium.org
Subject: Re: [PATCH v2 2/2] Bluetooth: btusb: Add protocol for MediaTek
 bluetooth devices(MT7922)

Hi Mark,

> The information in /sys/kernel/debug/usb/devices about the MT7922U
> Bluetooth device is listed as the below.
> 
> T: Bus=01 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#= 18 Spd=480 MxCh= 0
> D: Ver= 2.10 Cls=ef(misc ) Sub=02 Prot=01 MxPS=64 #Cfgs= 1
> P: Vendor=0e8d ProdID=7922 Rev= 1.00
> S: Manufacturer=MediaTek Inc.
> S: Product=Wireless_Device
> S: SerialNumber=000000000
> C:* #Ifs= 3 Cfg#= 1 Atr=e0 MxPwr=100mA
> A: FirstIf#= 0 IfCount= 3 Cls=e0(wlcon) Sub=01 Prot=01
> 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=125us
> E: Ad=82(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> E: Ad=02(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> I:* If#= 1 Alt= 0 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
> E: Ad=83(I) Atr=01(Isoc) MxPS= 0 Ivl=1ms
> E: Ad=03(O) 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=83(I) Atr=01(Isoc) MxPS= 9 Ivl=1ms
> E: Ad=03(O) 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=83(I) Atr=01(Isoc) MxPS= 17 Ivl=1ms
> E: Ad=03(O) 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=83(I) Atr=01(Isoc) MxPS= 25 Ivl=1ms
> E: Ad=03(O) 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=83(I) Atr=01(Isoc) MxPS= 33 Ivl=1ms
> E: Ad=03(O) 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=83(I) Atr=01(Isoc) MxPS= 49 Ivl=1ms
> E: Ad=03(O) 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=83(I) Atr=01(Isoc) MxPS= 63 Ivl=1ms
> E: Ad=03(O) Atr=01(Isoc) MxPS= 63 Ivl=1ms
> I:* If#= 2 Alt= 0 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=(none)
> E: Ad=8a(I) Atr=03(Int.) MxPS= 64 Ivl=125us
> E: Ad=0a(O) Atr=03(Int.) MxPS= 64 Ivl=125us
> I: If#= 2 Alt= 1 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=(none)
> E: Ad=8a(I) Atr=03(Int.) MxPS= 512 Ivl=125us
> E: Ad=0a(O) Atr=03(Int.) MxPS= 512 Ivl=125us
> 
> Signed-off-by: mark-yw.chen <mark-yw.chen@...iatek.com>
> ---
> drivers/bluetooth/btusb.c | 1 +
> 1 file changed, 1 insertion(+)

patch has been applied to bluetooth-next tree.

Regards

Marcel