Add new function: dev_suspend/dev_resume in btusb_data which are reserved
for vendor specific usage during suspend/resume. dev_suspend will be
added before stop traffic in btusb_suspend and dev_resume will be
added after resubmit urb in btusb_resuem.
Signed-off-by: Chris Lu <chris.lu@xxxxxxxxxxxx>
Signed-off-by: Sean Wang <sean.wang@xxxxxxxxxxxx>
---
drivers/bluetooth/btusb.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index 79aefdb3324d..83765c0c14b4 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -891,6 +891,9 @@ struct btusb_data {
int (*setup_on_usb)(struct hci_dev *hdev);
+ int (*dev_suspend)(struct hci_dev *hdev);
+ int (*dev_resume)(struct hci_dev *hdev);
+
int oob_wake_irq; /* irq for out-of-band wake-on-bt */
unsigned cmd_timeout_cnt;
@@ -4715,6 +4718,9 @@ static int btusb_suspend(struct usb_interface *intf, pm_message_t message)
cancel_work_sync(&data->work);
+ if (data->dev_suspend)
+ data->dev_suspend(data->hdev);
+
btusb_stop_traffic(data);
usb_kill_anchored_urbs(&data->tx_anchor);
@@ -4818,6 +4824,9 @@ static int btusb_resume(struct usb_interface *intf)
btusb_submit_isoc_urb(hdev, GFP_NOIO);
}
+ if (data->dev_resume)
+ data->dev_resume(hdev);
+
spin_lock_irq(&data->txlock);
play_deferred(data);
clear_bit(BTUSB_SUSPENDING, &data->flags);
--
2.18.0
