C++ (Cpp) snddev_ecodec_open_rx примеры использования

Пример #1

Файл: snddev_ecodec.c Проект: free-z4u/android_kernel_htc_msm7x30

static int snddev_ecodec_open(struct msm_snddev_info *dev_info)
{
	int rc = 0;
	struct snddev_ecodec_state *ecodec;
	struct snddev_ecodec_drv_state *drv = &snddev_ecodec_drv;

	if (!dev_info) {
		rc = -EINVAL;
		goto error;
	}

	ecodec = dev_info->private_data;
	printk(KERN_INFO "snddev_ecodec_open: device %s\n", dev_info->name);

	if (audio_ops->bt_sco_enable)
		audio_ops->bt_sco_enable(1);

	if (ecodec->data->capability & SNDDEV_CAP_RX) {
		mutex_lock(&drv->dev_lock);
		if (drv->rx_active) {
			mutex_unlock(&drv->dev_lock);
			rc = -EBUSY;
			goto error;
		}
		rc = snddev_ecodec_open_rx(ecodec);
		if (!IS_ERR_VALUE(rc))
			drv->rx_active = 1;
		mutex_unlock(&drv->dev_lock);
	} else {
		mutex_lock(&drv->dev_lock);
		if (drv->tx_active) {
			mutex_unlock(&drv->dev_lock);
			rc = -EBUSY;
			goto error;
		}
		rc = snddev_ecodec_open_tx(ecodec);
		if (!IS_ERR_VALUE(rc))
			drv->tx_active = 1;
		mutex_unlock(&drv->dev_lock);
	}
error:
	return rc;
}

Пример #2

Файл: snddev_ecodec.c Проект: CL0SeY/i957kernel

static int snddev_ecodec_open(struct msm_snddev_info *dev_info)
{
	int rc = 0;
	struct snddev_ecodec_state *ecodec;
	struct snddev_ecodec_drv_state *drv = &snddev_ecodec_drv;

	if (!dev_info) {
		rc = -EINVAL;
		goto error;
	}

	ecodec = dev_info->private_data;

	if (ecodec->data->capability & SNDDEV_CAP_RX) {
		mutex_lock(&drv->dev_lock);
		if (drv->rx_active) {
			mutex_unlock(&drv->dev_lock);
			rc = -EBUSY;
			goto error;
		}
		rc = snddev_ecodec_open_rx(ecodec);
		if (!IS_ERR_VALUE(rc))
			drv->rx_active = 1;
		mutex_unlock(&drv->dev_lock);
	} else {
		mutex_lock(&drv->dev_lock);
		if (drv->tx_active) {
			mutex_unlock(&drv->dev_lock);
			rc = -EBUSY;
			goto error;
		}
		rc = snddev_ecodec_open_tx(ecodec);
		if (!IS_ERR_VALUE(rc))
			drv->tx_active = 1;
		mutex_unlock(&drv->dev_lock);
	}
error:
	return rc;
}