diff options
Diffstat (limited to 'drivers/bluetooth/btmtk.c')
| -rw-r--r-- | drivers/bluetooth/btmtk.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/bluetooth/btmtk.c b/drivers/bluetooth/btmtk.c index 7fd9d5ddce02..224eafc27dbe 100644 --- a/drivers/bluetooth/btmtk.c +++ b/drivers/bluetooth/btmtk.c @@ -1472,10 +1472,15 @@ EXPORT_SYMBOL_GPL(btmtk_usb_setup); int btmtk_usb_shutdown(struct hci_dev *hdev) { + struct btmtk_data *data = hci_get_priv(hdev); struct btmtk_hci_wmt_params wmt_params; u8 param = 0; int err; + err = usb_autopm_get_interface(data->intf); + if (err < 0) + return err; + /* Disable the device */ wmt_params.op = BTMTK_WMT_FUNC_CTRL; wmt_params.flag = 0; @@ -1486,9 +1491,11 @@ int btmtk_usb_shutdown(struct hci_dev *hdev) err = btmtk_usb_hci_wmt_sync(hdev, &wmt_params); if (err < 0) { bt_dev_err(hdev, "Failed to send wmt func ctrl (%d)", err); + usb_autopm_put_interface(data->intf); return err; } + usb_autopm_put_interface(data->intf); return 0; } EXPORT_SYMBOL_GPL(btmtk_usb_shutdown); |