From: zhangchen200426@163.com
To: luiz.von.dentz@intel.com, chris.lu@mediatek.com,
pmenzel@molgen.mpg.de, floss@jetm.me, sean.wang@mediatek.com,
en-wei.wu@canonical.com, Zijun.Hu@oss.qualcomm.com,
chharry@chromium.org, ceggers@arri.de, johan@kernel.org
Cc: linux-bluetooth@vger.kernel.org, Zhang Chen <zhangchen01@kylinos.cn>
Subject: [PATCH] Bluetooth: btusb: Add Realtek RTL8922AE support ID 0x0bda:0xd922
Date: Fri, 24 Apr 2026 18:00:03 +0800 [thread overview]
Message-ID: <20260424100003.357700-1-zhangchen200426@163.com> (raw)
From: Zhang Chen <zhangchen01@kylinos.cn>
Add the support ID (0x0bda, 0xd922) to usb_device_id table for
Realtek RTL8922AE.
The device info from /sys/kernel/debug/usb/devices as below.
T: Bus=10 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#= 2 Spd=12 MxCh= 0
D: Ver= 1.00 Cls=e0(wlcon) Sub=01 Prot=01 MxPS=64 #Cfgs= 1
P: Vendor=0bda ProdID=d922 Rev= 0.00
S: Manufacturer=Realtek
S: Product=Bluetooth Radio
S: SerialNumber=00E04C885A01
C:* #Ifs= 2 Cfg#= 1 Atr=e0 MxPwr=500mA
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=1ms
E: Ad=02(O) Atr=02(Bulk) MxPS= 64 Ivl=0ms
E: Ad=82(I) Atr=02(Bulk) MxPS= 64 Ivl=0ms
I:* If#= 1 Alt= 0 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E: Ad=03(O) Atr=01(Isoc) MxPS= 0 Ivl=1ms
E: Ad=83(I) 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=03(O) Atr=01(Isoc) MxPS= 9 Ivl=1ms
E: Ad=83(I) 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=03(O) Atr=01(Isoc) MxPS= 17 Ivl=1ms
E: Ad=83(I) 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=03(O) Atr=01(Isoc) MxPS= 25 Ivl=1ms
E: Ad=83(I) 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=03(O) Atr=01(Isoc) MxPS= 33 Ivl=1ms
E: Ad=83(I) 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=03(O) Atr=01(Isoc) MxPS= 49 Ivl=1ms
E: Ad=83(I) 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=03(O) Atr=01(Isoc) MxPS= 63 Ivl=1ms
E: Ad=83(I) Atr=01(Isoc) MxPS= 63 Ivl=1ms
Signed-off-by: Zhang Chen <zhangchen01@kylinos.cn>
---
drivers/bluetooth/btusb.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index a0a7da498466..278999ed9883 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -607,6 +607,8 @@ static const struct usb_device_id quirks_table[] = {
BTUSB_WIDEBAND_SPEECH },
{ USB_DEVICE(0x0489, 0xe130), .driver_info = BTUSB_REALTEK |
BTUSB_WIDEBAND_SPEECH },
+ { USB_DEVICE(0x0bda, 0xd922), .driver_info = BTUSB_REALTEK |
+ BTUSB_WIDEBAND_SPEECH },
/* Realtek Bluetooth devices */
{ USB_VENDOR_AND_INTERFACE_INFO(0x0bda, 0xe0, 0x01, 0x01),
--
2.25.1
next reply other threads:[~2026-04-24 10:01 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-04-24 10:00 zhangchen200426 [this message]
2026-04-24 10:17 ` [PATCH] Bluetooth: btusb: Add Realtek RTL8922AE support ID 0x0bda:0xd922 Paul Menzel
2026-04-24 11:16 ` bluez.test.bot
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