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[06/10] Bluetooth: btusb: Enable MSFT extension for Intel ThunderPeak devices

Message ID 20200403194407.784943-7-marcel@holtmann.org
State New
Headers show
Series [01/10] Bluetooth: add support to notify using SCO air mode | expand

Commit Message

Marcel Holtmann April 3, 2020, 7:44 p.m. UTC 
From: Miao-chen Chou <mcchou@chromium.org>

The Intel ThundePeak BT controllers support the Microsoft vendor
extension and they are using 0xFC1E for VsMsftOpCode.

< HCI Command: Vendor (0x3f|0x001e) plen 1
        00
> HCI Event: Command Complete (0x0e) plen 15
      Vendor (0x3f|0x001e) ncmd 1
        Status: Success (0x00)
        00 3f 00 00 00 00 00 00 00 01 50

Signed-off-by: Miao-chen Chou <mcchou@chromium.org>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
---
 drivers/bluetooth/btusb.c | 9 +++++++++
 1 file changed, 9 insertions(+)
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Patch

diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index 43925bdeaa81..09913cadd1ca 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -2542,6 +2542,15 @@  static int btusb_setup_intel_new(struct hci_dev *hdev)
 	btintel_version_info(hdev, &ver);
 
 finish:
+	/* All Intel controllers that support the Microsoft vendor
+	 * extension are using 0xFC1E for VsMsftOpCode.
+	 */
+	switch (ver.hw_variant) {
+	case 0x12:	/* ThP */
+		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.