[WIP/RFC 30/31] fbdev: sh_mobile_hdmi: Add media controller support

@@ -209,6 +209,7 @@ enum hotplug_state {
 
 struct sh_hdmi {
 	struct sh_mobile_lcdc_entity entity;
+	struct media_pad pads[2];
 
 	void __iomem *base;
 	enum hotplug_state hp_state;	/* hot-plug status */

@@ -1129,9 +1130,10 @@ static int __init sh_hdmi_probe(struct platform_device *pdev)
 {
 	struct sh_mobile_hdmi_info *pdata = pdev->dev.platform_data;
 	struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	int irq = platform_get_irq(pdev, 0), ret;
+	int irq = platform_get_irq(pdev, 0);
 	struct sh_hdmi *hdmi;
 	long rate;
+	int ret;
 
 	if (!res || !pdata || irq < 0)
 		return -ENODEV;

@@ -1146,6 +1148,17 @@ static int __init sh_hdmi_probe(struct platform_device *pdev)
 	hdmi->entity.owner = THIS_MODULE;
 	hdmi->entity.ops = &sh_hdmi_ops;
 
+	/* Initialize the panel media entity. */
+	hdmi->pads[0].flags = MEDIA_PAD_FL_SINK;
+	hdmi->pads[1].flags = MEDIA_PAD_FL_SOURCE;
+	ret = media_entity_init(&hdmi->entity.entity, 2, hdmi->pads, 0);
+	if (ret < 0) {
+		dev_err(&pdev->dev, "Unable to initialize HDMI entity\n");
+		goto egetclk;
+	}
+
+	hdmi->entity.entity.name = "HDMI transmitter";
+
 	hdmi->hdmi_clk = clk_get(&pdev->dev, "ick");
 	if (IS_ERR(hdmi->hdmi_clk)) {
 		ret = PTR_ERR(hdmi->hdmi_clk);

@@ -1224,6 +1237,7 @@ ereqreg:
 erate:
 	clk_put(hdmi->hdmi_clk);
 egetclk:
+	media_entity_cleanup(&hdmi->entity.entity);
 	kfree(hdmi);
 
 	return ret;

@@ -1247,6 +1261,7 @@ static int __exit sh_hdmi_remove(struct platform_device *pdev)
 	clk_put(hdmi->hdmi_clk);
 	iounmap(hdmi->base);
 	release_mem_region(res->start, resource_size(res));
+	media_entity_cleanup(&hdmi->entity.entity);
 	kfree(hdmi);
 
 	return 0;