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Bluetooth: Add shutdown callback before closing the device

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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>
This commit is contained in:
Tedd Ho-Jeong An 2015-02-13 09:20:50 -08:00 committed by Marcel Holtmann
parent 3e544ef935
commit a44fecbd52
2 changed files with 7 additions and 0 deletions
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1
include/net/bluetooth/hci_core.h
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@ -373,6 +373,7 @@ struct hci_dev {
int (*close)(struct hci_dev *hdev);
int (*flush)(struct hci_dev *hdev);
int (*setup)(struct hci_dev *hdev);
int (*shutdown)(struct hci_dev *hdev);
int (*send)(struct hci_dev *hdev, struct sk_buff *skb);
void (*notify)(struct hci_dev *hdev, unsigned int evt);
void (*hw_error)(struct hci_dev *hdev, u8 code);

6
net/bluetooth/hci_core.c
View File

@ -1591,6 +1591,12 @@ static int hci_dev_do_close(struct hci_dev *hdev)
{
BT_DBG("%s %p", hdev->name, hdev);
if (!test_bit(HCI_UNREGISTER, &hdev->dev_flags)) {
/* Execute vendor specific shutdown routine */
if (hdev->shutdown)
hdev->shutdown(hdev);
}
cancel_delayed_work(&hdev->power_off);
hci_req_cancel(hdev, ENODEV);