[PATCH 1/2] Bluetooth: btusb: Support public address configuration for MediaTek Chip.
mark-yw.chen at mediatek.com
mark-yw.chen at mediatek.com
Tue Aug 24 08:44:29 PDT 2021
From: "mark-yw.chen" <mark-yw.chen at mediatek.com>
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 at mediatek.com>
---
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;
+}
+
static void btusb_mtk_wmt_recv(struct urb *urb)
{
struct hci_dev *hdev = urb->context;
@@ -3819,6 +3836,7 @@ static int btusb_probe(struct usb_interface *intf,
hdev->shutdown = btusb_mtk_shutdown;
hdev->manufacturer = 70;
hdev->cmd_timeout = btusb_mtk_cmd_timeout;
+ hdev->set_bdaddr = btusb_set_bdaddr_mtk;
set_bit(HCI_QUIRK_NON_PERSISTENT_SETUP, &hdev->quirks);
data->recv_acl = btusb_recv_acl_mtk;
}
--
2.18.0
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