linux-kernel - [PATCH] Bluetooth: btusb: Enable MSFT extension for TyphoonPeak, GarfieldPeak, and WCN6855 controllers

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Message-Id: <20210727140425.1.I1ac63dde4853d7b38a018b20b3d6d3d539378df3@changeid>
Date:   Tue, 27 Jul 2021 14:04:35 -0700
From:   Michael Sun <michaelfsun@...gle.com>
To:     linux-bluetooth@...r.kernel.org
Cc:     Chethan T N <chethan.tumkur.narayan@...el.com>,
        Michael Sun <michaelfsun@...gle.com>,
        Johan Hedberg <johan.hedberg@...il.com>,
        Marcel Holtmann <marcel@...tmann.org>,
        linux-kernel@...r.kernel.org
Subject: [PATCH] Bluetooth: btusb: Enable MSFT extension for TyphoonPeak,
 GarfieldPeak, and WCN6855 controllers

From: Chethan T N <chethan.tumkur.narayan@...el.com>

The Intel TyphoonPeak, GarfieldPeak and Qualcomm WCN6855 Bluetooth
controllers support the Microsoft vendor extension, enable them by
setting VsMsftOpCode accordingly.

Signed-off-by: Chethan T N <chethan.tumkur.narayan@...el.com>
Signed-off-by: Michael Sun <michaelfsun@...gle.com>
---

 drivers/bluetooth/btusb.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index 5f8d9b1628af..b68511b7e07a 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -3016,6 +3016,17 @@ static int btusb_setup_intel_newgen(struct hci_dev *hdev)
 	btintel_version_info_tlv(hdev, &version);
 
 finish:
+	/* All Intel new genration controllers support the Microsoft vendor
+	 * extension are using 0xFC1E for VsMsftOpCode.
+	 */
+	switch (INTEL_HW_VARIANT(version.cnvi_bt)) {
+	case 0x17:
+	case 0x18:
+	case 0x19:
+		hci_set_msft_opcode(hdev, 0xFC1E);
+		break;
+	}
+
 	/* Set the event mask for Intel specific vendor events. This enables
 	 * a few extra events that are useful during general operation. It
 	 * does not enable any debugging related events.
@@ -4710,6 +4721,7 @@ 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