C++ (Cpp) usb6fire_chip_destroyの例

コード例 #1

ファイル: chip.c プロジェクト: AlexShiLucky/linux

static void usb6fire_chip_disconnect(struct usb_interface *intf)
{
	struct sfire_chip *chip;

	chip = usb_get_intfdata(intf);
	if (chip) { /* if !chip, fw upload has been performed */
		chip->intf_count--;
		if (!chip->intf_count) {
			mutex_lock(&register_mutex);
			devices[chip->regidx] = NULL;
			chips[chip->regidx] = NULL;
			mutex_unlock(&register_mutex);

			chip->shutdown = true;
			usb6fire_chip_abort(chip);
			usb6fire_chip_destroy(chip);
		}
	}
}

コード例 #2

ファイル: chip.c プロジェクト: MiniBlu/cm11_kernel_htc_msm8974a3ul

static void usb6fire_chip_disconnect(struct usb_interface *intf)
{
	struct sfire_chip *chip;
	struct snd_card *card;

	chip = usb_get_intfdata(intf);
	if (chip) { 
		card = chip->card;
		chip->intf_count--;
		if (!chip->intf_count) {
			mutex_lock(&register_mutex);
			devices[chip->regidx] = NULL;
			chips[chip->regidx] = NULL;
			mutex_unlock(&register_mutex);

			chip->shutdown = true;
			usb6fire_chip_abort(chip);
			usb6fire_chip_destroy(chip);
		}
	}
}

コード例 #3

ファイル: chip.c プロジェクト: AD5GB/kernel_n5_3.10-experimental

static int usb6fire_chip_probe(struct usb_interface *intf,
			       const struct usb_device_id *usb_id)
{
	int ret;
	int i;
	struct sfire_chip *chip = NULL;
	struct usb_device *device = interface_to_usbdev(intf);
	int regidx = -1; /* index in module parameter array */
	struct snd_card *card = NULL;

	/* look if we already serve this card and return if so */
	mutex_lock(&register_mutex);
	for (i = 0; i < SNDRV_CARDS; i++) {
		if (devices[i] == device) {
			if (chips[i])
				chips[i]->intf_count++;
			usb_set_intfdata(intf, chips[i]);
			mutex_unlock(&register_mutex);
			return 0;
		} else if (regidx < 0)
			regidx = i;
	}
	if (regidx < 0) {
		mutex_unlock(&register_mutex);
		snd_printk(KERN_ERR PREFIX "too many cards registered.\n");
		return -ENODEV;
	}
	devices[regidx] = device;
	mutex_unlock(&register_mutex);

	/* check, if firmware is present on device, upload it if not */
	ret = usb6fire_fw_init(intf);
	if (ret < 0)
		return ret;
	else if (ret == FW_NOT_READY) /* firmware update performed */
		return 0;

	/* if we are here, card can be registered in alsa. */
	if (usb_set_interface(device, 0, 0) != 0) {
		snd_printk(KERN_ERR PREFIX "can't set first interface.\n");
		return -EIO;
	}
	ret = snd_card_create(index[regidx], id[regidx], THIS_MODULE,
			sizeof(struct sfire_chip), &card);
	if (ret < 0) {
		snd_printk(KERN_ERR PREFIX "cannot create alsa card.\n");
		return ret;
	}
	strcpy(card->driver, "6FireUSB");
	strcpy(card->shortname, "TerraTec DMX6FireUSB");
	sprintf(card->longname, "%s at %d:%d", card->shortname,
			device->bus->busnum, device->devnum);
	snd_card_set_dev(card, &intf->dev);

	chip = card->private_data;
	chips[regidx] = chip;
	chip->dev = device;
	chip->regidx = regidx;
	chip->intf_count = 1;
	chip->card = card;

	ret = usb6fire_comm_init(chip);
	if (ret < 0) {
		usb6fire_chip_destroy(chip);
		return ret;
	}

	ret = usb6fire_midi_init(chip);
	if (ret < 0) {
		usb6fire_chip_destroy(chip);
		return ret;
	}

	ret = usb6fire_pcm_init(chip);
	if (ret < 0) {
		usb6fire_chip_destroy(chip);
		return ret;
	}

	ret = usb6fire_control_init(chip);
	if (ret < 0) {
		usb6fire_chip_destroy(chip);
		return ret;
	}

	ret = snd_card_register(card);
	if (ret < 0) {
		snd_printk(KERN_ERR PREFIX "cannot register card.");
		usb6fire_chip_destroy(chip);
		return ret;
	}
	usb_set_intfdata(intf, chip);
	return 0;
}