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From: bugzilla-daemon@kernel.org
To: linux-bluetooth@vger.kernel.org
Subject: [Bug 218472] mt7921e bluetooth not working
Date: Sat, 24 Feb 2024 15:51:58 +0000
Message-ID: <bug-218472-62941-Rag6B9u3L8@https.bugzilla.kernel.org/>
In-Reply-To: <bug-218472-62941@https.bugzilla.kernel.org/>
References: <bug-218472-62941@https.bugzilla.kernel.org/>
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https://bugzilla.kernel.org/show_bug.cgi?id=3D218472

--- Comment #7 from Chris (bugzilla@mail.cam-it.nl) ---
(In reply to jeremy from comment #6)
> You should post results from terminal for
> sudo cat /sys/kernel/debug/usb/devices| awk '/3585/' RS=3D
>=20
> The bluetooth devs usually want that info.  I am guessing that you will n=
eed
> a kernel patch similar to
> https://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next.=
git/
> commit/drivers/bluetooth/btusb.c?id=3Df0ad26ee822b197f2421462df9c358a5687=
fddfd
> but it would be at about line 610 of btusb.c and be
>=20
>       { USB_DEVICE(0x13d3, 0x3585), .driver_info =3D BTUSB_MEDIATEK |
>                                                    BTUSB_WIDEBAND_SPEECH |
>                                                    BTUSB_VALID_LE_STATES =
},

Thanks Jeremy. I compiled btusb.c with that change and it works.
For completeness, here's the requested output of=20
sudo cat /sys/kernel/debug/usb/devices| awk '/3585/' RS=3D

T:  Bus=3D03 Lev=3D01 Prnt=3D01 Port=3D06 Cnt=3D04 Dev#=3D  5 Spd=3D480  Mx=
Ch=3D 0
D:  Ver=3D 2.10 Cls=3Def(misc ) Sub=3D02 Prot=3D01 MxPS=3D64 #Cfgs=3D  1
P:  Vendor=3D13d3 ProdID=3D3585 Rev=3D 1.00
S:  Manufacturer=3DMediaTek Inc.
S:  Product=3DWireless_Device
S:  SerialNumber=3D000000000
C:* #Ifs=3D 3 Cfg#=3D 1 Atr=3De0 MxPwr=3D100mA
A:  FirstIf#=3D 0 IfCount=3D 3 Cls=3De0(wlcon) Sub=3D01 Prot=3D01
I:* If#=3D 0 Alt=3D 0 #EPs=3D 3 Cls=3De0(wlcon) Sub=3D01 Prot=3D01 Driver=
=3Dbtusb
E:  Ad=3D81(I) Atr=3D03(Int.) MxPS=3D  16 Ivl=3D125us
E:  Ad=3D82(I) Atr=3D02(Bulk) MxPS=3D 512 Ivl=3D0ms
E:  Ad=3D02(O) Atr=3D02(Bulk) MxPS=3D 512 Ivl=3D0ms
I:* If#=3D 1 Alt=3D 0 #EPs=3D 2 Cls=3De0(wlcon) Sub=3D01 Prot=3D01 Driver=
=3Dbtusb
E:  Ad=3D83(I) Atr=3D01(Isoc) MxPS=3D   0 Ivl=3D1ms
E:  Ad=3D03(O) Atr=3D01(Isoc) MxPS=3D   0 Ivl=3D1ms
I:  If#=3D 1 Alt=3D 1 #EPs=3D 2 Cls=3De0(wlcon) Sub=3D01 Prot=3D01 Driver=
=3Dbtusb
E:  Ad=3D83(I) Atr=3D01(Isoc) MxPS=3D   9 Ivl=3D1ms
E:  Ad=3D03(O) Atr=3D01(Isoc) MxPS=3D   9 Ivl=3D1ms
I:  If#=3D 1 Alt=3D 2 #EPs=3D 2 Cls=3De0(wlcon) Sub=3D01 Prot=3D01 Driver=
=3Dbtusb
E:  Ad=3D83(I) Atr=3D01(Isoc) MxPS=3D  17 Ivl=3D1ms
E:  Ad=3D03(O) Atr=3D01(Isoc) MxPS=3D  17 Ivl=3D1ms
I:  If#=3D 1 Alt=3D 3 #EPs=3D 2 Cls=3De0(wlcon) Sub=3D01 Prot=3D01 Driver=
=3Dbtusb
E:  Ad=3D83(I) Atr=3D01(Isoc) MxPS=3D  25 Ivl=3D1ms
E:  Ad=3D03(O) Atr=3D01(Isoc) MxPS=3D  25 Ivl=3D1ms
I:  If#=3D 1 Alt=3D 4 #EPs=3D 2 Cls=3De0(wlcon) Sub=3D01 Prot=3D01 Driver=
=3Dbtusb
E:  Ad=3D83(I) Atr=3D01(Isoc) MxPS=3D  33 Ivl=3D1ms
E:  Ad=3D03(O) Atr=3D01(Isoc) MxPS=3D  33 Ivl=3D1ms
I:  If#=3D 1 Alt=3D 5 #EPs=3D 2 Cls=3De0(wlcon) Sub=3D01 Prot=3D01 Driver=
=3Dbtusb
E:  Ad=3D83(I) Atr=3D01(Isoc) MxPS=3D  49 Ivl=3D1ms
E:  Ad=3D03(O) Atr=3D01(Isoc) MxPS=3D  49 Ivl=3D1ms
I:  If#=3D 1 Alt=3D 6 #EPs=3D 2 Cls=3De0(wlcon) Sub=3D01 Prot=3D01 Driver=
=3Dbtusb
E:  Ad=3D83(I) Atr=3D01(Isoc) MxPS=3D  63 Ivl=3D1ms
E:  Ad=3D03(O) Atr=3D01(Isoc) MxPS=3D  63 Ivl=3D1ms
I:* If#=3D 2 Alt=3D 0 #EPs=3D 2 Cls=3De0(wlcon) Sub=3D01 Prot=3D01 Driver=
=3D(none)
E:  Ad=3D8a(I) Atr=3D03(Int.) MxPS=3D  64 Ivl=3D125us
E:  Ad=3D0a(O) Atr=3D03(Int.) MxPS=3D  64 Ivl=3D125us
I:  If#=3D 2 Alt=3D 1 #EPs=3D 2 Cls=3De0(wlcon) Sub=3D01 Prot=3D01 Driver=
=3D(none)
E:  Ad=3D8a(I) Atr=3D03(Int.) MxPS=3D 512 Ivl=3D125us
E:  Ad=3D0a(O) Atr=3D03(Int.) MxPS=3D 512 Ivl=3D125us

--=20
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