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
next prev 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