Hi Xi,
> In 'commit a2698a9bf9b0 ("Bluetooth: btusb: Add Realtek
> 8723A/8723B/8761A/8821A support"), support of some Realtek
> devices was added to the Generic Bluetooth USB driver in kernel.
> However, these devices are not in the module device table of
> btusb.ko, so the kernel wouldn't probe them at all.
>
> To fix this, add four entries in the device table btusb_table,
> based on code from <https://github.com/lwfinger/rtl8723au_bt>
> ('new' branch).
>
> This enables bluetooth support in the Lenovo Ideapad Yoga 13
> which has RTL8723AU USB device, with product ID 0bda:1724.
>
> Signed-off-by: Xi Ruoyao <xry111@xxxxxxxxxxx>
> ---
> drivers/bluetooth/btusb.c | 6 ++++++
> 1 file changed, 6 insertions(+)
>
> diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
> index 3c10d4d..dd87623 100644
> --- a/drivers/bluetooth/btusb.c
> +++ b/drivers/bluetooth/btusb.c
> @@ -148,6 +148,12 @@ static const struct usb_device_id btusb_table[] = {
> { USB_DEVICE(0x8087, 0x0a5a),
> .driver_info = BTUSB_INTEL_BOOT | BTUSB_BROKEN_ISOC },
>
> + /* Realtek Bluetooth */
> + { USB_VENDOR_AND_INTERFACE_INFO(0x0bda, 0xe0, 0x01, 0x01) },
> + { USB_VENDOR_AND_INTERFACE_INFO(0x0bd5, 0xe0, 0x01, 0x01) },
> + { USB_VENDOR_AND_INTERFACE_INFO(0x13d3, 0xe0, 0x01, 0x01) },
> + { USB_VENDOR_AND_INTERFACE_INFO(0x0489, 0xe0, 0x01, 0x01) },
> +
I highly doubt these are needed. There is a generic entry for an USB transport that is already covering these.
Regards
Marcel
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