linux-4.4.1/v4l2_device_register()

参照元†

↑

説明†

パス: linux-4.4.1/drivers/media/v4l2-core/v4l2-device.c

FIXME: これは何？
- 説明

↑

引数†

struct device *dev
- linux-4.4.1/device
struct v4l2_device *v4l2_dev
- linux-4.4.1/v4l2_device

↑

返り値†

↑

参考†

↑

実装†

int v4l2_device_register(struct device *dev, struct v4l2_device *v4l2_dev)
{
        if (v4l2_dev == NULL)
                return -EINVAL;

        INIT_LIST_HEAD(&v4l2_dev->subdevs);
        spin_lock_init(&v4l2_dev->lock);
        v4l2_prio_init(&v4l2_dev->prio);
        kref_init(&v4l2_dev->ref);
        get_device(dev);
        v4l2_dev->dev = dev;
        if (dev == NULL) {
                /* If dev == NULL, then name must be filled in by the caller */
                if (WARN_ON(!v4l2_dev->name[0]))
                        return -EINVAL;
                return 0;
        }

        /* Set name to driver name + device name if it is empty. */
        if (!v4l2_dev->name[0])
                snprintf(v4l2_dev->name, sizeof(v4l2_dev->name), "%s %s",
                        dev->driver->name, dev_name(dev));
        if (!dev_get_drvdata(dev))
                dev_set_drvdata(dev, v4l2_dev);

        return 0;
}
EXPORT_SYMBOL_GPL(v4l2_device_register);

- linux-4.4.1/EXPORT_SYMBOL_GPL()

↑

linux-4.4.1/v4l2_device_register()

参照元†

説明†

引数†

返り値†

参考†

実装†

コメント†

中の人

最新の30件

管理用