spcacompat.h

linux下的摄像头驱动

 
#ifndef SPCA_COMPAT_H
#define SPCA_COMPAT_H

#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 4, 24)
static inline void * video_get_drvdata(struct video_device *vdev)
{
        return vdev->priv;
}

static inline void video_set_drvdata(struct video_device *vdev, void *data)
{
        vdev->priv = data;
}

static inline struct video_device *video_device_alloc(void)
{
	struct video_device *vdev;

	vdev = kmalloc(sizeof(*vdev),GFP_KERNEL);
	if (NULL == vdev)
		return NULL;
	memset(vdev,0,sizeof(*vdev));
	return vdev;
}

static inline void video_device_release(struct video_device *vdev)
{
	kfree(vdev);
}
#endif

#endif