[PATCH v2] Bluetooth: btusb: Add Lite-On 04ca:3807 for MediaTek MT7921
patchwork-bot+bluetooth at kernel.org
patchwork-bot+bluetooth at kernel.org
Fri Feb 20 06:40:11 PST 2026
Hello:
This patch was applied to bluetooth/bluetooth-next.git (master)
by Luiz Augusto von Dentz <luiz.von.dentz at intel.com>:
On Thu, 19 Feb 2026 20:32:09 +0100 you wrote:
> Add USB device ID (04ca:3807) for a Lite-On Wireless_Device containing
> a MediaTek MT7921 (MT7920) Bluetooth chipset found in Acer laptops.
>
> Without this entry, btusb binds via the generic USB class-based wildcard
> match but never sets the BTUSB_MEDIATEK flag. This means btmtk never
> triggers firmware loading, and the driver sends a raw HCI Reset that
> the uninitialized chip cannot respond to, resulting in:
>
> [...]
Here is the summary with links:
- [v2] Bluetooth: btusb: Add Lite-On 04ca:3807 for MediaTek MT7921
https://git.kernel.org/bluetooth/bluetooth-next/c/79e029818394
You are awesome, thank you!
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