linux-kernel - [PATCH] Bluetooth: btusb: Enable MSFT extension for WCN6855 controller

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Date:   Thu, 29 Jul 2021 10:10:59 -0700
From:   Michael Sun <michaelfsun@...gle.com>
To:     linux-bluetooth@...r.kernel.org
Cc:     chromeos-bluetooth-upstreaming@...omium.org,
        Michael Sun <michaelfsun@...gle.com>,
        Johan Hedberg <johan.hedberg@...il.com>,
        Luiz Augusto von Dentz <luiz.dentz@...il.com>,
        Marcel Holtmann <marcel@...tmann.org>,
        linux-kernel@...r.kernel.org
Subject: [PATCH] Bluetooth: btusb: Enable MSFT extension for WCN6855 controller

The Qualcomm WCN6855 Bluetooth controller supports the Microsoft vendor
extension, enable them by setting VsMsftOpCode to 0xFD70.

Verified on a WCN6855 device through bluetoothctl show

Signed-off-by: Michael Sun <michaelfsun@...gle.com>
---

 drivers/bluetooth/btusb.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index 1876a960b3dc..d9376380fcc2 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -4735,6 +4735,7 @@ static int btusb_probe(struct usb_interface *intf,
 		hdev->set_bdaddr = btusb_set_bdaddr_wcn6855;
 		hdev->cmd_timeout = btusb_qca_cmd_timeout;
 		set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks);
+		hci_set_msft_opcode(hdev, 0xFD70);
 	}
 
 	if (id->driver_info & BTUSB_AMP) {
-- 
2.32.0.432.gabb21c7263-goog