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Bluetooth: Add shutdown callback before closing the device
This callback allows a vendor to send the vendor specific commands before cloing the hci interface. Signed-off-by: Tedd Ho-Jeong An <tedd.an@intel.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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2 changed files with 7 additions and 0 deletions
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@ -373,6 +373,7 @@ struct hci_dev {
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int (*close)(struct hci_dev *hdev);
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int (*flush)(struct hci_dev *hdev);
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int (*setup)(struct hci_dev *hdev);
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int (*shutdown)(struct hci_dev *hdev);
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int (*send)(struct hci_dev *hdev, struct sk_buff *skb);
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void (*notify)(struct hci_dev *hdev, unsigned int evt);
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void (*hw_error)(struct hci_dev *hdev, u8 code);
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@ -1591,6 +1591,12 @@ static int hci_dev_do_close(struct hci_dev *hdev)
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{
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BT_DBG("%s %p", hdev->name, hdev);
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if (!test_bit(HCI_UNREGISTER, &hdev->dev_flags)) {
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/* Execute vendor specific shutdown routine */
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if (hdev->shutdown)
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hdev->shutdown(hdev);
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}
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cancel_delayed_work(&hdev->power_off);
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hci_req_cancel(hdev, ENODEV);
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