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[v1,4/4] Bluetooth: btrtl: Enable MSFT extension for RTL8822CE controller

Message ID 20201216231652.v1.4.I369d2fc751e660f78e2930743aa368e0fe1bfd53@changeid
State New
Headers show
Series [v1,1/4] Bluetooth: Keep MSFT extension info throughout a hci_dev's life cycle | expand

Commit Message

Miao-chen Chou Dec. 17, 2020, 7:17 a.m. UTC 
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@chromium.org>
Reviewed-by: Abhishek Pandit-Subedi <abhishekpandit@chromium.org>
Reviewed-by: Archie Pusaka <apusaka@chromium.org>
---

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

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: