---

static struct mipi_dsi_device *lt9611_attach_dsi(struct lt9611 *lt9611,
						 struct device_node *dsi_node)
{
	const struct mipi_dsi_device_info info = { "lt9611", 0, lt9611->dev->of_node};
	struct mipi_dsi_device *dsi;
	struct mipi_dsi_host *host;
	struct device *dev = lt9611->dev;
	int ret;

	host = of_find_mipi_dsi_host_by_node(dsi_node);
	if (!host) {
		dev_err(lt9611->dev, "failed to find dsi host\n");
		return ERR_PTR(-EPROBE_DEFER);
	}

	dsi = devm_mipi_dsi_device_register_full(dev, host, &info);
	if (IS_ERR(dsi)) {
		dev_err(lt9611->dev, "failed to create dsi device\n");
		return dsi;
	}

	dsi->lanes = 4;
	dsi->format = MIPI_DSI_FMT_RGB888;
	dsi->mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_SYNC_PULSE |
			  MIPI_DSI_MODE_VIDEO_HSE;

	ret = devm_mipi_dsi_attach(dev, dsi);
	if (ret < 0) {
		dev_err(dev, "failed to attach dsi to host\n");
		return ERR_PTR(ret);
	}

	return dsi;
}

static int lt9611_probe(struct i2c_client *client)
{
	struct lt9611 *lt9611;
	struct device *dev = &client->dev;
	int ret;
	bool is_i2s = true;

	if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) {
		dev_err(dev, "device doesn't support I2C\n");
		return -ENODEV;
	}

	lt9611 = devm_kzalloc(dev, sizeof(*lt9611), GFP_KERNEL);
	if (!lt9611)
		return -ENOMEM;

	lt9611->dev = dev;
	lt9611->client = client;
	lt9611->sleep = false;

	lt9611->regmap = devm_regmap_init_i2c(client, &lt9611_regmap_config);
	if (IS_ERR(lt9611->regmap)) {
		dev_err(lt9611->dev, "regmap i2c init failed\n");
		return PTR_ERR(lt9611->regmap);
	}

	ret = lt9611_parse_dt(dev, lt9611);
	if (ret) {
		dev_err(dev, "failed to parse device tree\n");
		return ret;
	}
	if (of_property_read_bool(dev->of_node, "fsl,audio-spdif")) {
		is_i2s = false;
	}

	ret = lt9611_gpio_init(lt9611);
	if (ret < 0)
		goto err_of_put;

	ret = lt9611_regulator_init(lt9611);
	if (ret < 0)
		goto err_of_put;

	lt9611_assert_5v(lt9611);

	ret = lt9611_regulator_enable(lt9611);
	if (ret)
		goto err_of_put;

	lt9611_reset(lt9611);

	ret = lt9611_read_device_rev(lt9611);
	if (ret) {
		dev_err(dev, "failed to read chip rev\n");
		goto err_disable_regulators;
	}
	ret = devm_request_threaded_irq(dev, client->irq, NULL,
					lt9611_irq_thread_handler,
					IRQF_ONESHOT, "lt9611", lt9611);
	if (ret) {
		dev_err(dev, "failed to request irq\n");
		goto err_disable_regulators;
	}

	i2c_set_clientdata(client, lt9611);

	lt9611->bridge.funcs = &lt9611_bridge_funcs;
	lt9611->bridge.of_node = client->dev.of_node;
	lt9611->bridge.ops = DRM_BRIDGE_OP_DETECT | DRM_BRIDGE_OP_EDID |
			     DRM_BRIDGE_OP_HPD | DRM_BRIDGE_OP_MODES;
	lt9611->bridge.type = DRM_MODE_CONNECTOR_HDMIA;
	drm_bridge_add(&lt9611->bridge);
	/* Attach primary DSI */
	lt9611->dsi0 = lt9611_attach_dsi(lt9611, lt9611->dsi0_node);
	if (IS_ERR(lt9611->dsi0)) {
		ret = PTR_ERR(lt9611->dsi0);
		goto err_remove_bridge;
	}
	lt9611_enable_hpd_interrupts(lt9611);
//CEC
	mutex_init(&lt9611->cec_ioctl_mutex);
	init_completion(&lt9611->rx_ok);
	pdata_global = lt9611;
	ret = cec_sysfs_init();
	if (ret) {
		printk("Error cec sysfs init");
	}
	else
	{
		ret = register_chrdev(0, CEC_DEV_NAME, &hdmitx_cec_fops);
		if (ret < 0)
			printk("%s alloc chrdev CEC failed\n",__FUNCTION__);
		else
		{
			lt9611->cec_dev_no = ret;
			cec_sysfs_dev_new(lt9611);
		}
	}
	ret = lt9611_audio_init(dev, lt9611, is_i2s);
	if (ret)
		goto err_remove_bridge;

	return 0;

err_remove_bridge:
	drm_bridge_remove(&lt9611->bridge);

err_disable_regulators:
	regulator_bulk_disable(ARRAY_SIZE(lt9611->supplies), lt9611->supplies);

err_of_put:
	of_node_put(lt9611->dsi1_node);
	of_node_put(lt9611->dsi0_node);

	return ret;
}