From: Quentin Strydom <qstrydom0@gmail.com>
To: Marcel Holtmann <marcel@holtmann.org>,
Luiz Augusto von Dentz <luiz.dentz@gmail.com>
Cc: linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org,
Quentin Strydom <qstrydom0@gmail.com>
Subject: [PATCH] Bluetooth: btusb: add ASUS 0b05:1868 to QCA Rome quirks
Date: Mon, 28 Sep 2026 15:36:55 +0100 [thread overview]
Message-ID: <20260928143655.22223-1-qstrydom0@gmail.com> (raw)
The Bluetooth controller with USB ID 0b05:1868 found on ASUS
systems uses a Qualcomm QCA Rome chipset, but is currently matched
only by the generic Bluetooth USB entry.
Without BTUSB_QCA_ROME, the driver does not load the QCA rampatch and
NVM firmware. BLE scanning also repeatedly reports:
Bluetooth: hci0: unexpected event for opcode 0x2005
Mark the device as BTUSB_QCA_ROME with wideband speech support, in
line with the other QCA Rome USB IDs.
With the quirk applied, btusb loads:
qca/rampatch_usb_00000302.bin
qca/nvm_usb_00000302.bin
and the unexpected LE Set Random Address completion events are no
longer observed.
Tested-on: ASUS USB 0b05:1868, QCA Rome 0x302
Signed-off-by: Quentin Strydom <qstrydom0@gmail.com>
---
drivers/bluetooth/btusb_main.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/bluetooth/btusb_main.c b/drivers/bluetooth/btusb_main.c
index be47ac894b6c..1ede12515bcc 100644
--- a/drivers/bluetooth/btusb_main.c
+++ b/drivers/bluetooth/btusb_main.c
@@ -273,6 +273,8 @@ static const struct usb_device_id quirks_table[] = {
{ USB_DEVICE(0x0489, 0xe03c), .driver_info = BTUSB_ATH3012 },
/* QCA ROME chipset */
+ { USB_DEVICE(0x0b05, 0x1868), .driver_info = BTUSB_QCA_ROME |
+ BTUSB_WIDEBAND_SPEECH },
{ USB_DEVICE(0x0cf3, 0x535b), .driver_info = BTUSB_QCA_ROME |
BTUSB_WIDEBAND_SPEECH },
{ USB_DEVICE(0x0cf3, 0xe007), .driver_info = BTUSB_QCA_ROME |
--
2.43.0
next reply other threads:[~2026-09-28 14:37 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-28 14:36 Quentin Strydom [this message]
2026-09-28 15:40 ` patchwork-bot+bluetooth
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