C++ (Cpp) play_deferred примеры использования

Пример #1

Файл: btusb.c Проект: Rukusx7/Rockchip-GPL-Kernel

static int btusb_resume(struct usb_interface *intf)
{
	struct btusb_data *data = usb_get_intfdata(intf);
	struct hci_dev *hdev = data->hdev;
	int err = 0;

	BT_DBG("intf %p", intf);

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

	if (!test_bit(HCI_RUNNING, &hdev->flags))
		goto done;

	if (test_bit(BTUSB_INTR_RUNNING, &data->flags)) {
		err = btusb_submit_intr_urb(hdev, GFP_NOIO);
		if (err < 0) {
			clear_bit(BTUSB_INTR_RUNNING, &data->flags);
			goto failed;
		}
	}

	if (test_bit(BTUSB_BULK_RUNNING, &data->flags)) {
		err = btusb_submit_bulk_urb(hdev, GFP_NOIO);
		if (err < 0) {
			clear_bit(BTUSB_BULK_RUNNING, &data->flags);
			goto failed;
		}

		btusb_submit_bulk_urb(hdev, GFP_NOIO);
	}

	if (test_bit(BTUSB_ISOC_RUNNING, &data->flags)) {
		if (btusb_submit_isoc_urb(hdev, GFP_NOIO) < 0)
			clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
		else
			btusb_submit_isoc_urb(hdev, GFP_NOIO);
	}

	spin_lock_irq(&data->txlock);
	play_deferred(data);
	clear_bit(BTUSB_SUSPENDING, &data->flags);
	spin_unlock_irq(&data->txlock);
	schedule_work(&data->work);

	return 0;

failed:
	usb_scuttle_anchored_urbs(&data->deferred);
done:
	spin_lock_irq(&data->txlock);
	clear_bit(BTUSB_SUSPENDING, &data->flags);
	spin_unlock_irq(&data->txlock);

	return err;
}

Пример #2

Файл: rtk_btusb.c Проект: mattgorski/platform_hardware_realtek

static int btusb_resume(struct usb_interface *intf)
{
    struct btusb_data *data = usb_get_intfdata(intf);
    struct hci_dev *hdev = data->hdev;
    int err = 0;

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


    /*******************************/
    RTKBT_DBG("btusb_resume data->suspend_count=%d",data->suspend_count);

    if (!test_bit(HCI_RUNNING, &hdev->flags))
    {
        RTKBT_DBG("btusb_resume-----bt is off,download patch");
        download_patch(intf);
    }
    else
        RTKBT_DBG("btusb_resume,----bt is on");
    /*******************************/
    if (--data->suspend_count)
        return 0;

    if (test_bit(BTUSB_INTR_RUNNING, &data->flags)) {
        err = btusb_submit_intr_urb(hdev, GFP_NOIO);
        if (err < 0) {
            clear_bit(BTUSB_INTR_RUNNING, &data->flags);
            goto failed;
        }
    }

    if (test_bit(BTUSB_BULK_RUNNING, &data->flags)) {
        err = btusb_submit_bulk_urb(hdev, GFP_NOIO);
        if (err < 0) {
            clear_bit(BTUSB_BULK_RUNNING, &data->flags);
            goto failed;
        }

        btusb_submit_bulk_urb(hdev, GFP_NOIO);
    }

    if (test_bit(BTUSB_ISOC_RUNNING, &data->flags)) {
        if (btusb_submit_isoc_urb(hdev, GFP_NOIO) < 0)
            clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
        else
            btusb_submit_isoc_urb(hdev, GFP_NOIO);
    }

    spin_lock_irq(&data->txlock);
    play_deferred(data);
    clear_bit(BTUSB_SUSPENDING, &data->flags);
    spin_unlock_irq(&data->txlock);
    schedule_work(&data->work);

    return 0;

failed:
    mdelay(URB_CANCELING_DELAY_MS);      // Added by Realtek
    usb_scuttle_anchored_urbs(&data->deferred);
//done:
    spin_lock_irq(&data->txlock);
    clear_bit(BTUSB_SUSPENDING, &data->flags);
    spin_unlock_irq(&data->txlock);

    return err;
}