linux-kernel - Re: [PATCH v1 1/2] Bluetooth: btusb: Add new VID/PID 0489/e135 for MT7920

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Message-ID: <c01095336878844585d70facd75964bb43391122.camel@mediatek.com>
Date: Wed, 1 Oct 2025 07:31:05 +0000
From: Chris Lu (陸稚泓) <Chris.Lu@...iatek.com>
To: "pmenzel@...gen.mpg.de" <pmenzel@...gen.mpg.de>
CC: Will-CY Lee (李政穎) <Will-CY.Lee@...iatek.com>,
	Steve Lee (李視誠) <steve.lee@...iatek.com>,
	"luiz.dentz@...il.com" <luiz.dentz@...il.com>, "marcel@...tmann.org"
	<marcel@...tmann.org>, SS Wu (巫憲欣)
	<ss.wu@...iatek.com>, "linux-kernel@...r.kernel.org"
	<linux-kernel@...r.kernel.org>, "johan.hedberg@...il.com"
	<johan.hedberg@...il.com>, Sean Wang <Sean.Wang@...iatek.com>,
	"linux-bluetooth@...r.kernel.org" <linux-bluetooth@...r.kernel.org>,
	"linux-mediatek@...ts.infradead.org" <linux-mediatek@...ts.infradead.org>
Subject: Re: [PATCH v1 1/2] Bluetooth: btusb: Add new VID/PID 0489/e135 for
 MT7920


Dear Paul,

Thanks for your reply, I'll update v2 with the suggested message
changes.

Chris Lu

On Wed, 2025-10-01 at 08:17 +0200, Paul Menzel wrote:
> 
> External email : Please do not click links or open attachments until
> you have verified the sender or the content.
> 
> 
> Dear Chris,
> 
> 
> Thank you for your patch. In the summary *new* could be left out in
> the
> future. Maybe also put MT7920 in the front:
> 
> Bluetooth: btusb: MT7920: Add VID:PID 0489:e135
> 
> 
> Am 01.10.25 um 08:04 schrieb Chris Lu:
> > Add VID 0489 & PID e135 for MediaTek MT7920 USB Bluetooth chip.
> > 
> > The information in /sys/kernel/debug/usb/devices about the
> > Bluetooth
> > device is listed as the below.
> > 
> > T:  Bus=06 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#=  2 Spd=480  MxCh= 0
> > D:  Ver= 2.10 Cls=ef(misc ) Sub=02 Prot=01 MxPS=64 #Cfgs=  1
> > P:  Vendor=0489 ProdID=e135 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=  64 Ivl=125us
> > E:  Ad=0a(O) Atr=03(Int.) MxPS=  64 Ivl=125us
> > 
> > Signed-off-by: Chris Lu <chris.lu@...iatek.com>
> > ---
> >   drivers/bluetooth/btusb.c | 2 ++
> >   1 file changed, 2 insertions(+)
> > 
> > diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
> > index 4be34c556db8..a2cde2284163 100644
> > --- a/drivers/bluetooth/btusb.c
> > +++ b/drivers/bluetooth/btusb.c
> > @@ -621,6 +621,8 @@ static const struct usb_device_id
> > quirks_table[] = {
> >       /* Additional MediaTek MT7920 Bluetooth devices */
> >       { USB_DEVICE(0x0489, 0xe134), .driver_info = BTUSB_MEDIATEK |
> >                                                   
> > BTUSB_WIDEBAND_SPEECH },
> > +     { USB_DEVICE(0x0489, 0xe135), .driver_info = BTUSB_MEDIATEK |
> > +                                                 
> > BTUSB_WIDEBAND_SPEECH },
> >       { USB_DEVICE(0x13d3, 0x3620), .driver_info = BTUSB_MEDIATEK |
> >                                                   
> > BTUSB_WIDEBAND_SPEECH },
> >       { USB_DEVICE(0x13d3, 0x3621), .driver_info = BTUSB_MEDIATEK |
> 
> Reviewed-by: Paul Menzel <pmenzel@...gen.mpg.de>
> 
> 
> Kind regards,
> 
> Paul