Hi Mark, > The MediaTek chip support vendor specific HCI command(0xfc1a) to > change the public address. Add hdev->set_bdaddr handler for MediaTek > Chip. > > Signed-off-by: mark-yw.chen <mark-yw.chen@xxxxxxxxxxxx> > --- > drivers/bluetooth/btusb.c | 18 ++++++++++++++++++ > 1 file changed, 18 insertions(+) > > diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c > index 60d2fce59a71..41e7c9f28d82 100644 > --- a/drivers/bluetooth/btusb.c > +++ b/drivers/bluetooth/btusb.c > @@ -2200,6 +2200,23 @@ struct btmtk_section_map { > }; > } __packed; > > +static int btusb_set_bdaddr_mtk(struct hci_dev *hdev, const bdaddr_t *bdaddr) > +{ > + struct sk_buff *skb; > + long ret; > + > + skb = __hci_cmd_sync(hdev, 0xfc1a, sizeof(bdaddr), bdaddr, HCI_INIT_TIMEOUT); > + if (IS_ERR(skb)) { > + ret = PTR_ERR(skb); > + bt_dev_err(hdev, "changing Mediatek device address failed (%ld)", > + ret); > + return ret; > + } > + kfree_skb(skb); > + > + return 0; > +} > + this is not a permanent change, correct? Meaning a power cycle will bring back the original BD_ADDR? Regards Marcel