Bluetooth: btusb: mediatek: add callback function in btusb_disconnect

commit cea1805f165cdd783dd21f26df957118cb8641b4 upstream.

Add disconnect callback function in btusb_disconnect which is reserved
for vendor specific usage before deregister hci in btusb_disconnect.

Signed-off-by: Chris Lu <chris.lu@mediatek.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Cc: Fedor Pchelkin <boddah8794@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index b39e10b9addd29aed6284ff30351cecb305c2376..5f7cfee0143979db78ce641505dcdf2b9c512d79 100644 (file)
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -870,6 +870,7 @@ struct btusb_data {
 
        int (*suspend)(struct hci_dev *hdev);
        int (*resume)(struct hci_dev *hdev);
+       int (*disconnect)(struct hci_dev *hdev);
 
        int oob_wake_irq;   /* irq for out-of-band wake-on-bt */
        unsigned cmd_timeout_cnt;
@@ -4043,6 +4044,9 @@ static void btusb_disconnect(struct usb_interface *intf)
        if (data->diag)
                usb_set_intfdata(data->diag, NULL);
 
+       if (data->disconnect)
+               data->disconnect(hdev);
+
        hci_unregister_dev(hdev);
 
        if (intf == data->intf) {