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Diffstat (limited to 'drivers/bluetooth/btrtl.c')
| -rw-r--r-- | drivers/bluetooth/btrtl.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/drivers/bluetooth/btrtl.c b/drivers/bluetooth/btrtl.c index 1342f8e6025c..8d1cd2479e36 100644 --- a/drivers/bluetooth/btrtl.c +++ b/drivers/bluetooth/btrtl.c @@ -639,6 +639,26 @@ int btrtl_setup_realtek(struct hci_dev *hdev) } EXPORT_SYMBOL_GPL(btrtl_setup_realtek); +int btrtl_shutdown_realtek(struct hci_dev *hdev) +{ + struct sk_buff *skb; + int ret; + + /* According to the vendor driver, BT must be reset on close to avoid + * firmware crash. + */ + skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT); + if (IS_ERR(skb)) { + ret = PTR_ERR(skb); + bt_dev_err(hdev, "HCI reset during shutdown failed"); + return ret; + } + kfree_skb(skb); + + return 0; +} +EXPORT_SYMBOL_GPL(btrtl_shutdown_realtek); + static unsigned int btrtl_convert_baudrate(u32 device_baudrate) { switch (device_baudrate) { |