[PATCH] Bluetooth: hci_h5: Add RTL8822CS capabilities

From: Archie Pusaka
Date: Thu May 13 2021 - 04:54:16 EST


From: Archie Pusaka <apusaka@xxxxxxxxxxxx>

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@xxxxxxxxxxxx>
Reviewed-by: Abhishek Pandit-Subedi <abhishekpandit@xxxxxxxxxxxx>
---

drivers/bluetooth/btrtl.c | 26 ++++++++++++++++----------
drivers/bluetooth/btrtl.h | 2 ++
drivers/bluetooth/hci_h5.c | 5 +----
3 files changed, 19 insertions(+), 14 deletions(-)

diff --git a/drivers/bluetooth/btrtl.c b/drivers/bluetooth/btrtl.c
index e7fe5fb22753..988a09860c6b 100644
--- a/drivers/bluetooth/btrtl.c
+++ b/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;
diff --git a/drivers/bluetooth/btrtl.h b/drivers/bluetooth/btrtl.h
index 2a582682136d..260167f01b08 100644
--- a/drivers/bluetooth/btrtl.h
+++ b/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,
diff --git a/drivers/bluetooth/hci_h5.c b/drivers/bluetooth/hci_h5.c
index 27e96681d583..e0520639f4ba 100644
--- a/drivers/bluetooth/hci_h5.c
+++ b/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);
--
2.31.1.751.gd2f1c929bd-goog