[PATCH v2 4/4] Bluetooth: btrtl: Enable MSFT extension for RTL8822CE controller

From: Miao-chen Chou
Date: Thu Dec 17 2020 - 17:55:57 EST


The Realtek RTL8822CE Bluetooth controller support Microsoft vendor
extension and it uses 0xFCF0 for VsMsftOpCode.

The following test step was performed.
- Boot the test device with RTL8822CE and verify the INFO print in
dmesg.

Signed-off-by: Miao-chen Chou <mcchou@xxxxxxxxxxxx>
Reviewed-by: Abhishek Pandit-Subedi <abhishekpandit@xxxxxxxxxxxx>
Reviewed-by: Archie Pusaka <apusaka@xxxxxxxxxxxx>
---

(no changes since v1)

drivers/bluetooth/btrtl.c | 6 ++++++
1 file changed, 6 insertions(+)

diff --git a/drivers/bluetooth/btrtl.c b/drivers/bluetooth/btrtl.c
index a4f7cace66b06..94df4e94999d5 100644
--- a/drivers/bluetooth/btrtl.c
+++ b/drivers/bluetooth/btrtl.c
@@ -658,6 +658,12 @@ struct btrtl_device_info *btrtl_initialize(struct hci_dev *hdev,
}
}

+ /* RTL8822CE supports the Microsoft vendor extension and uses 0xFCF0
+ * for VsMsftOpCode.
+ */
+ if (lmp_subver == RTL_ROM_LMP_8822B)
+ hci_set_msft_opcode(hdev, 0xFCF0);
+
return btrtl_dev;

err_free:
--
2.29.2.684.gfbc64c5ab5-goog