Bluetooth: hci_h5: Add RTL8822CS capabilities

RTL8822 chipset supports WBS, and this information is conveyed in
btusb.c. However, the UART driver doesn't have this information just
yet.

Signed-off-by: Archie Pusaka <apusaka@chromium.org>
Reviewed-by: Abhishek Pandit-Subedi <abhishekpandit@chromium.org>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>

drivers/bluetooth/btrtl.c

@@ -719,17 +719,8 @@ int btrtl_download_firmware(struct hci_dev *hdev,
 }
 EXPORT_SYMBOL_GPL(btrtl_download_firmware);
 
-int btrtl_setup_realtek(struct hci_dev *hdev)
+void btrtl_set_quirks(struct hci_dev *hdev, struct btrtl_device_info *btrtl_dev)
 {
-	struct btrtl_device_info *btrtl_dev;
-	int ret;
-
-	btrtl_dev = btrtl_initialize(hdev, NULL);
-	if (IS_ERR(btrtl_dev))
-		return PTR_ERR(btrtl_dev);
-
-	ret = btrtl_download_firmware(hdev, btrtl_dev);
-
 	/* Enable controller to do both LE scan and BR/EDR inquiry
 	 * simultaneously.
 	 */
@@ -750,6 +741,21 @@ int btrtl_setup_realtek(struct hci_dev *hdev)
 		rtl_dev_dbg(hdev, "WBS supported not enabled.");
 		break;
 	}
+}
+EXPORT_SYMBOL_GPL(btrtl_set_quirks);
+
+int btrtl_setup_realtek(struct hci_dev *hdev)
+{
+	struct btrtl_device_info *btrtl_dev;
+	int ret;
+
+	btrtl_dev = btrtl_initialize(hdev, NULL);
+	if (IS_ERR(btrtl_dev))
+		return PTR_ERR(btrtl_dev);
+
+	ret = btrtl_download_firmware(hdev, btrtl_dev);
+
+	btrtl_set_quirks(hdev, btrtl_dev);
 
 	btrtl_free(btrtl_dev);
 	return ret;

drivers/bluetooth/btrtl.h

@@ -54,6 +54,8 @@ struct btrtl_device_info *btrtl_initialize(struct hci_dev *hdev,
 void btrtl_free(struct btrtl_device_info *btrtl_dev);
 int btrtl_download_firmware(struct hci_dev *hdev,
 			    struct btrtl_device_info *btrtl_dev);
+void btrtl_set_quirks(struct hci_dev *hdev,
+		      struct btrtl_device_info *btrtl_dev);
 int btrtl_setup_realtek(struct hci_dev *hdev);
 int btrtl_shutdown_realtek(struct hci_dev *hdev);
 int btrtl_get_uart_settings(struct hci_dev *hdev,
@@ -79,6 +81,11 @@ static inline int btrtl_download_firmware(struct hci_dev *hdev,
 	return -EOPNOTSUPP;
 }
 
+static inline void btrtl_set_quirks(struct hci_dev *hdev,
+				    struct btrtl_device_info *btrtl_dev)
+{
+}
+
 static inline int btrtl_setup_realtek(struct hci_dev *hdev)
 {
 	return -EOPNOTSUPP;

drivers/bluetooth/hci_h5.c

@@ -906,10 +906,7 @@ static int h5_btrtl_setup(struct h5 *h5)
 	/* Give the device some time before the hci-core sends it a reset */
 	usleep_range(10000, 20000);
 
-	/* Enable controller to do both LE scan and BR/EDR inquiry
-	 * simultaneously.
-	 */
-	set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &h5->hu->hdev->quirks);
+	btrtl_set_quirks(h5->hu->hdev, btrtl_dev);
 
 out_free:
 	btrtl_free(btrtl_dev);