C++ (Cpp) btusb_stop_traffic Examples

Example #1

File: btusb.c Project: Rukusx7/Rockchip-GPL-Kernel

static int btusb_close(struct hci_dev *hdev)
{
	struct btusb_data *data = hdev->driver_data;
	int err;

	BT_DBG("%s", hdev->name);

	if (!test_and_clear_bit(HCI_RUNNING, &hdev->flags))
		return 0;

	cancel_work_sync(&data->work);
	cancel_work_sync(&data->waker);

	clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
	clear_bit(BTUSB_BULK_RUNNING, &data->flags);
	clear_bit(BTUSB_INTR_RUNNING, &data->flags);

	btusb_stop_traffic(data);
	err = usb_autopm_get_interface(data->intf);
	if (err < 0)
		goto failed;

	data->intf->needs_remote_wakeup = 0;
	usb_autopm_put_interface(data->intf);

failed:
	usb_scuttle_anchored_urbs(&data->deferred);
	return 0;
}

Example #2

File: btusb.c Project: Rukusx7/Rockchip-GPL-Kernel

static int btusb_suspend(struct usb_interface *intf, pm_message_t message)
{
	struct btusb_data *data = usb_get_intfdata(intf);

	BT_DBG("intf %p", intf);

	if (data->suspend_count++)
		return 0;

	spin_lock_irq(&data->txlock);
	if (!((message.event & PM_EVENT_AUTO) && data->tx_in_flight)) {
		set_bit(BTUSB_SUSPENDING, &data->flags);
		spin_unlock_irq(&data->txlock);
	} else {
		spin_unlock_irq(&data->txlock);
		data->suspend_count--;
		return -EBUSY;
	}

	cancel_work_sync(&data->work);

	btusb_stop_traffic(data);
	usb_kill_anchored_urbs(&data->tx_anchor);

	return 0;
}

Example #3

File: rtk_btusb.c Project: mattgorski/platform_hardware_realtek

static int btusb_close(struct hci_dev *hdev)
{
    struct btusb_data *data = GET_DRV_DATA(hdev);
    int i,err;

    if (!test_and_clear_bit(HCI_RUNNING, &hdev->flags))
        return 0;

    RTKBT_DBG("btusb_close");
    /*******************************/
    for (i = 0; i < NUM_REASSEMBLY; i++)
    {
        if(hdev->reassembly[i])
        {
            kfree_skb(hdev->reassembly[i]);
            hdev->reassembly[i] = NULL;
            RTKBT_DBG("%s free ressembly i=%d",__FUNCTION__,i);
        }
    }
    /*******************************/
    cancel_work_sync(&data->work);
    cancel_work_sync(&data->waker);

    clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
    clear_bit(BTUSB_BULK_RUNNING, &data->flags);
    clear_bit(BTUSB_INTR_RUNNING, &data->flags);

    btusb_stop_traffic(data);
    err = usb_autopm_get_interface(data->intf);
    if (err < 0)
        goto failed;

    data->intf->needs_remote_wakeup = 0;
    usb_autopm_put_interface(data->intf);

failed:
    mdelay(URB_CANCELING_DELAY_MS);     // Added by Realtek
    usb_scuttle_anchored_urbs(&data->deferred);
    return 0;
}

Example #4

File: rtk_btusb.c Project: mattgorski/platform_hardware_realtek

static int btusb_suspend(struct usb_interface *intf, pm_message_t message)
{
    struct btusb_data *data = usb_get_intfdata(intf);

    if (intf->cur_altsetting->desc.bInterfaceNumber != 0)
        return 0;

    /*******************************/
    RTKBT_DBG("btusb_suspend message.event=0x%x,data->suspend_count=%d",message.event,data->suspend_count);
    if (!test_bit(HCI_RUNNING, &data->hdev->flags))
    {
        RTKBT_DBG("btusb_suspend-----bt is off");
        set_btoff(data->intf);
    }
    /*******************************/

    if (data->suspend_count++)
        return 0;

    spin_lock_irq(&data->txlock);
    if (!((message.event & PM_EVENT_AUTO) && data->tx_in_flight)) {
        set_bit(BTUSB_SUSPENDING, &data->flags);
        spin_unlock_irq(&data->txlock);
    } else {
        spin_unlock_irq(&data->txlock);
        data->suspend_count--;
        return -EBUSY;
    }

    cancel_work_sync(&data->work);

    btusb_stop_traffic(data);
    mdelay(URB_CANCELING_DELAY_MS);      // Added by Realtek
    usb_kill_anchored_urbs(&data->tx_anchor);

    return 0;
}