C++ (Cpp) OMAP1_CAMERA_MIN_BUF_COUNT Exemples

Exemple #1

Fichier : omap1_camera.c Projet : andi34/Dhollmen_Kernel

/*
 *  Videobuf operations
 */
static int omap1_videobuf_setup(struct videobuf_queue *vq, unsigned int *count,
		unsigned int *size)
{
	struct soc_camera_device *icd = vq->priv_data;
	int bytes_per_line = soc_mbus_bytes_per_line(icd->user_width,
			icd->current_fmt->host_fmt);
	struct soc_camera_host *ici = to_soc_camera_host(icd->dev.parent);
	struct omap1_cam_dev *pcdev = ici->priv;

	if (bytes_per_line < 0)
		return bytes_per_line;

	*size = bytes_per_line * icd->user_height;

	if (!*count || *count < OMAP1_CAMERA_MIN_BUF_COUNT(pcdev->vb_mode))
		*count = OMAP1_CAMERA_MIN_BUF_COUNT(pcdev->vb_mode);

	if (*size * *count > MAX_VIDEO_MEM * 1024 * 1024)
		*count = (MAX_VIDEO_MEM * 1024 * 1024) / *size;

	dev_dbg(icd->dev.parent,
			"%s: count=%d, size=%d\n", __func__, *count, *size);

	return 0;
}

Exemple #2

Fichier : omap1_camera.c Projet : 3null/linux

/*
 *  Videobuf operations
 */
static int omap1_videobuf_setup(struct videobuf_queue *vq, unsigned int *count,
		unsigned int *size)
{
	struct soc_camera_device *icd = vq->priv_data;
	struct soc_camera_host *ici = to_soc_camera_host(icd->parent);
	struct omap1_cam_dev *pcdev = ici->priv;

	*size = icd->sizeimage;

	if (!*count || *count < OMAP1_CAMERA_MIN_BUF_COUNT(pcdev->vb_mode))
		*count = OMAP1_CAMERA_MIN_BUF_COUNT(pcdev->vb_mode);

	if (*size * *count > MAX_VIDEO_MEM * 1024 * 1024)
		*count = (MAX_VIDEO_MEM * 1024 * 1024) / *size;

	dev_dbg(icd->parent,
			"%s: count=%d, size=%d\n", __func__, *count, *size);

	return 0;
}