Commit 95f92928 authored by Chris Lu's avatar Chris Lu Committed by Luiz Augusto von Dentz
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Bluetooth: btusb: add callback function in btusb suspend/resume 



Add suspend/resum callback function in btusb_data which are reserved
for vendor specific usage during suspend/resume. hdev->suspend will be
added before stop traffic in btusb_suspend and hdev-> resume will be
added after resubmit urb in btusb_resume.

Signed-off-by: default avatarChris Lu <chris.lu@mediatek.com>
Signed-off-by: default avatarSean Wang <sean.wang@mediatek.com>
Signed-off-by: default avatarLuiz Augusto von Dentz <luiz.von.dentz@intel.com>
parent d3e62360

drivers/bluetooth/btusb.c

+9 −0
Original line number Diff line number Diff line
@@ -895,6 +895,9 @@ struct btusb_data { 


	int (*setup_on_usb)(struct hci_dev *hdev);



	int (*suspend)(struct hci_dev *hdev);

	int (*resume)(struct hci_dev *hdev);



	int oob_wake_irq;   /* irq for out-of-band wake-on-bt */

	unsigned cmd_timeout_cnt;
@@ -4769,6 +4772,9 @@ static int btusb_suspend(struct usb_interface *intf, pm_message_t message) 


	cancel_work_sync(&data->work);



	if (data->suspend)

		data->suspend(data->hdev);



	btusb_stop_traffic(data);

	usb_kill_anchored_urbs(&data->tx_anchor);
@@ -4872,6 +4878,9 @@ static int btusb_resume(struct usb_interface *intf) 
			btusb_submit_isoc_urb(hdev, GFP_NOIO);

	}



	if (data->resume)

		data->resume(hdev);



	spin_lock_irq(&data->txlock);

	play_deferred(data);

	clear_bit(BTUSB_SUSPENDING, &data->flags);