Linux bluetooth development
 help / color / mirror / Atom feed
From: Sasha Levin <sashal@kernel.org>
To: patches@lists.linux.dev, stable@vger.kernel.org
Cc: Chris Lu <chris.lu@mediatek.com>,
	Paul Menzel <pmenzel@molgen.mpg.de>,
	Luiz Augusto von Dentz <luiz.von.dentz@intel.com>,
	Sasha Levin <sashal@kernel.org>,
	marcel@holtmann.org, luiz.dentz@gmail.com,
	linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH AUTOSEL 6.18-6.12] Bluetooth: btusb: MT7922: Add VID/PID 0e8d/223c
Date: Mon, 31 Aug 2026 09:27:37 -0400	[thread overview]
Message-ID: <20260831133314.4125787-429-sashal@kernel.org> (raw)
In-Reply-To: <20260831133314.4125787-1-sashal@kernel.org>

From: Chris Lu <chris.lu@mediatek.com>

[ Upstream commit fd5dc066b43eb8ae63f713aef704385c686b16e3 ]

Add VID 0e8d & PID 223c for MediaTek MT7922 USB Bluetooth chip.

The information in /sys/kernel/debug/usb/devices about the Bluetooth
device is listed as the below.

T:  Bus=07 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=0e8d ProdID=223c 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=btusb
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=btusb
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: Chris Lu <chris.lu@mediatek.com>
Reviewed-by: Paul Menzel <pmenzel@molgen.mpg.de>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---

LLM Generated explanations, may be completely bogus:

The background git searches finished and match the earlier analysis:

- **`0e8d/223c` is not in this 6.18.44 tree** — subject and message
  searches returned no matches; `git merge-base --is-ancestor fd5dc066`
  also shows it isn’t merged here yet.
- **The patch applies cleanly** at the existing MT7922 quirk block
  (after `0x04ca:0x38e4`).

**Verdict unchanged: YES** for backport to this tree — a standard 2-line
USB ID addition for MT7922 hardware the driver already supports, same
pattern as `c5f173e20fdd7` (0489/e170) already present in 6.18.y.

 drivers/bluetooth/btusb.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index cb8f14b9cae80..430e50388864c 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -707,6 +707,8 @@ static const struct usb_device_id quirks_table[] = {
 						     BTUSB_WIDEBAND_SPEECH },
 	{ USB_DEVICE(0x04ca, 0x38e4), .driver_info = BTUSB_MEDIATEK |
 						     BTUSB_WIDEBAND_SPEECH },
+	{ USB_DEVICE(0x0e8d, 0x223c), .driver_info = BTUSB_MEDIATEK |
+						     BTUSB_WIDEBAND_SPEECH },
 	{ USB_DEVICE(0x13d3, 0x3568), .driver_info = BTUSB_MEDIATEK |
 						     BTUSB_WIDEBAND_SPEECH },
 	{ USB_DEVICE(0x13d3, 0x3584), .driver_info = BTUSB_MEDIATEK |
-- 
2.53.0


  parent reply	other threads:[~2026-08-31 13:46 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20260831133314.4125787-1-sashal@kernel.org>
2026-08-31 13:21 ` [PATCH AUTOSEL 6.18-6.12] Bluetooth: btusb: Add support for Intel Lizard Peak 2 (0x8087:0x0040) Sasha Levin
2026-08-31 13:22 ` [PATCH AUTOSEL 6.18-5.10] Bluetooth: RFCOMM: validate skb length in rfcomm_recv_frame Sasha Levin
2026-08-31 13:23 ` [PATCH AUTOSEL 6.18-5.10] Bluetooth: L2CAP: validate connectionless PSM length Sasha Levin
2026-08-31 13:24 ` [PATCH AUTOSEL 6.18-6.1] Bluetooth: btusb: Add Mercusys MA530 for Realtek RTL8761BUV Sasha Levin
2026-08-31 13:25 ` [PATCH AUTOSEL 6.18] Bluetooth: btusb: MT7925: Add VID/PID 13d3/3609 Sasha Levin
2026-08-31 13:27 ` [PATCH AUTOSEL 6.18-6.1] Bluetooth: btusb: Add support for TP-Link TL-UB250 Sasha Levin
2026-08-31 13:27 ` Sasha Levin [this message]
2026-08-31 13:28 ` [PATCH AUTOSEL 6.18-6.12] Bluetooth: btintel_pcie: Add 50 ms delay before MAC init on BlazarIW Sasha Levin
2026-08-31 13:28 ` [PATCH AUTOSEL 6.18-6.12] Bluetooth: btusb: MT7925: Add VID/PID 0e8d/8c38 Sasha Levin
2026-08-31 13:28 ` [PATCH AUTOSEL 6.18-6.12] Bluetooth: btmtk: Disable remote wakeup for MT7922/MT7925 Sasha Levin
2026-08-31 13:29 ` [PATCH AUTOSEL 6.18-6.12] Bluetooth: btusb: Add Realtek RTL8922AE VID/PID 0bda/d922 Sasha Levin
2026-08-31 13:30 ` [PATCH AUTOSEL 6.18-6.12] Bluetooth: btusb: Add Realtek RTL8922AE VID/PID 0bda/d923 Sasha Levin
2026-08-31 13:30 ` [PATCH AUTOSEL 6.18-6.6] Bluetooth: btusb: Add TP-Link UB600 for Realtek 8761BUV Sasha Levin
2026-08-31 13:30 ` [PATCH AUTOSEL 6.18] Bluetooth: btrtl: fix RTL8761B/BU broken LE extended scan Sasha Levin

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20260831133314.4125787-429-sashal@kernel.org \
    --to=sashal@kernel.org \
    --cc=chris.lu@mediatek.com \
    --cc=linux-bluetooth@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=luiz.dentz@gmail.com \
    --cc=luiz.von.dentz@intel.com \
    --cc=marcel@holtmann.org \
    --cc=patches@lists.linux.dev \
    --cc=pmenzel@molgen.mpg.de \
    --cc=stable@vger.kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox