Ejemplos de jpeg_get_node_type en C++ (Cpp)

Ejemplo n.º 1

Archivo: jpeg_dev.c Proyecto: Thinkware-Device/willow

static int jpeg_m2m_open(struct file *file)
{
	struct jpeg_dev *dev = video_drvdata(file);
	struct jpeg_ctx *ctx = NULL;
	int ret = 0;
	enum jpeg_node_type node;

	node = jpeg_get_node_type(file);

	if (node == JPEG_NODE_INVALID) {
		jpeg_err("cannot specify node type\n");
		ret = -ENOENT;
		goto err_node_type;
	}

	ctx = kzalloc(sizeof *ctx, GFP_KERNEL);
	if (!ctx)
		return -ENOMEM;

	file->private_data = ctx;
	ctx->dev = dev;

	spin_lock_init(&ctx->slock);

	if (node == JPEG_NODE_DECODER)
		ctx->m2m_ctx =
			v4l2_m2m_ctx_init(dev->m2m_dev_dec, ctx,
				queue_init_dec);
	else
		ctx->m2m_ctx =
			v4l2_m2m_ctx_init(dev->m2m_dev_enc, ctx,
				queue_init_enc);

	if (IS_ERR(ctx->m2m_ctx)) {
		int err = PTR_ERR(ctx->m2m_ctx);
		kfree(ctx);
		return err;
	}

	clk_enable(dev->clk);

#ifdef CONFIG_PM_RUNTIME
#if defined (CONFIG_CPU_EXYNOS5250)
	dev->vb2->resume(dev->alloc_ctx);
#ifdef CONFIG_BUSFREQ_OPP
	/* lock bus frequency */
	dev_lock(dev->bus_dev, &dev->plat_dev->dev, BUSFREQ_400MHZ);
#endif
#else
	pm_runtime_get_sync(&dev->plat_dev->dev);
#endif
#endif

	return 0;

err_node_type:
	kfree(ctx);
	return ret;
}

Ejemplo n.º 2

Archivo: jpeg_dev.c Proyecto: Ante0/xxICSKernel

static int jpeg_m2m_open(struct file *file)
{
	struct jpeg_dev *dev = video_drvdata(file);
	struct jpeg_ctx *ctx = NULL;
	int ret = 0;
	enum jpeg_node_type node;

	node = jpeg_get_node_type(file);

	if (node == JPEG_NODE_INVALID) {
		jpeg_err("cannot specify node type\n");
		ret = -ENOENT;
		goto err_node_type;
	}

	ctx = kzalloc(sizeof *ctx, GFP_KERNEL);
	if (!ctx)
		return -ENOMEM;

	file->private_data = ctx;
	ctx->dev = dev;

	if (node == JPEG_NODE_DECODER)
		ctx->m2m_ctx =
			v4l2_m2m_ctx_init(dev->m2m_dev_dec, ctx,
				queue_init_dec);
	else
		ctx->m2m_ctx =
			v4l2_m2m_ctx_init(dev->m2m_dev_enc, ctx,
				queue_init_enc);

	if (IS_ERR(ctx->m2m_ctx)) {
		int err = PTR_ERR(ctx->m2m_ctx);
		kfree(ctx);
		return err;
	}

	clk_enable(dev->clk);

#ifdef CONFIG_PM_RUNTIME
	pm_runtime_get_sync(&dev->plat_dev->dev);
#endif

	return 0;

err_node_type:
	kfree(ctx);
	return ret;
}