return vb2_reqbufs(&layer->buffer_queue, req_buf);
}
-/*
- * vpbe_display_mmap()
- * It is used to map kernel space buffers into user spaces
- */
-static int vpbe_display_mmap(struct file *filep, struct vm_area_struct *vma)
-{
- /* Get the layer object and file handle object */
- struct vpbe_fh *fh = filep->private_data;
- struct vpbe_layer *layer = fh->layer;
- struct vpbe_device *vpbe_dev = fh->disp_dev->vpbe_dev;
- int ret;
-
- v4l2_dbg(1, debug, &vpbe_dev->v4l2_dev, "vpbe_display_mmap\n");
-
- if (mutex_lock_interruptible(&layer->opslock))
- return -ERESTARTSYS;
- ret = vb2_mmap(&layer->buffer_queue, vma);
- mutex_unlock(&layer->opslock);
- return ret;
-}
-
-/* vpbe_display_poll(): It is used for select/poll system call
- */
-static unsigned int vpbe_display_poll(struct file *filep, poll_table *wait)
-{
- struct vpbe_fh *fh = filep->private_data;
- struct vpbe_layer *layer = fh->layer;
- struct vpbe_device *vpbe_dev = fh->disp_dev->vpbe_dev;
- unsigned int err = 0;
-
- v4l2_dbg(1, debug, &vpbe_dev->v4l2_dev, "vpbe_display_poll\n");
- if (layer->started) {
- mutex_lock(&layer->opslock);
- err = vb2_poll(&layer->buffer_queue, filep, wait);
- mutex_unlock(&layer->opslock);
- }
- return err;
-}
-
/*
* vpbe_display_open()
* It creates object of file handle structure and stores it in private_data
.open = vpbe_display_open,
.release = vpbe_display_release,
.unlocked_ioctl = video_ioctl2,
- .mmap = vpbe_display_mmap,
- .poll = vpbe_display_poll
+ .mmap = vb2_fop_mmap,
+ .poll = vb2_fop_poll,
};
static int vpbe_device_get(struct device *dev, void *data)
(int)vpbe_display_layer,
(int)&vpbe_display_layer->video_dev);
+ vpbe_display_layer->video_dev.queue = &vpbe_display_layer->buffer_queue;
err = video_register_device(&vpbe_display_layer->video_dev,
VFL_TYPE_GRABBER,
-1);