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| author |   Jian-Hong Pan <jian-hong@endlessm.com> | 2019-06-25 16:30:51 +0800 |
|---|---|---|
| committer |   Marcel Holtmann <marcel@holtmann.org> | 2019-07-06 12:32:50 +0200 |
| commit | 7af3f558aca74f2ee47b173f1c27f6bb9a5b5561 (patch) | |
| tree | aa560c8fe725702f772da427c407e98afffcf3fb /drivers/bluetooth/btusb.c | |
| parent | Bluetooth: hci_ll: Refactor download_firmware (diff) | |
| download | linux-dev-7af3f558aca74f2ee47b173f1c27f6bb9a5b5561.tar.xz linux-dev-7af3f558aca74f2ee47b173f1c27f6bb9a5b5561.zip | |
Bluetooth: btrtl: HCI reset on close for Realtek BT chip
Realtek RTL8822BE BT chip on ASUS X420FA cannot be turned on correctly
after on-off several times. Bluetooth daemon sets BT mode failed when
this issue happens. Scanning must be active while turning off for this
bug to be hit.
bluetoothd[1576]: Failed to set mode: Failed (0x03)
If BT is turned off, then turned on again, it works correctly again.
According to the vendor driver, the HCI_QUIRK_RESET_ON_CLOSE flag is set
during probing. So, this patch makes Realtek's BT reset on close to fix
this issue.
Link: https://bugzilla.kernel.org/show_bug.cgi?id=203429
Signed-off-by: Jian-Hong Pan <jian-hong@endlessm.com>
Reviewed-by: Daniel Drake <drake@endlessm.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Diffstat (limited to 'drivers/bluetooth/btusb.c')
| -rw-r--r-- | drivers/bluetooth/btusb.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c index 50aed5259c2b..342e1de6bcba 100644 --- a/drivers/bluetooth/btusb.c +++ b/drivers/bluetooth/btusb.c @@ -3184,6 +3184,7 @@ static int btusb_probe(struct usb_interface *intf, #ifdef CONFIG_BT_HCIBTUSB_RTL if (id->driver_info & BTUSB_REALTEK) { hdev->setup = btrtl_setup_realtek; + hdev->shutdown = btrtl_shutdown_realtek; /* Realtek devices lose their updated firmware over suspend, * but the USB hub doesn't notice any status change. |