drm/exynos: hdmi: use i2c_adapter instead of i2c_client

This patch changes i2c_client for ddc to i2c_adapter
because ddc needs only i2c_adapter.
Signed-off-by: NInki Dae <inki.dae@samsung.com>
Signed-off-by: NKyungmin Park <kyungmin.park@samsung.com>

drivers/gpu/drm/exynos/exynos_hdmi.c

@@ -186,7 +186,7 @@ struct hdmi_context {
 	void __iomem			*regs;
 	int				irq;
 
-	struct i2c_client		*ddc_port;
+	struct i2c_adapter		*ddc_adpt;
 	struct i2c_client		*hdmiphy_port;
 
 	/* current hdmiphy conf regs */
@@ -829,10 +829,10 @@ static int hdmi_get_modes(struct drm_connector *connector)
 	struct hdmi_context *hdata = ctx_from_connector(connector);
 	struct edid *edid;
 
-	if (!hdata->ddc_port)
+	if (!hdata->ddc_adpt)
 		return -ENODEV;
 
-	edid = drm_get_edid(connector, hdata->ddc_port->adapter);
+	edid = drm_get_edid(connector, hdata->ddc_adpt);
 	if (!edid)
 		return -ENODEV;
 
@@ -2106,9 +2106,9 @@ static int hdmi_probe(struct platform_device *pdev)
 		DRM_ERROR("Failed to find ddc node in device tree\n");
 		return -ENODEV;
 	}
-	hdata->ddc_port = of_find_i2c_device_by_node(ddc_node);
-	if (!hdata->ddc_port) {
-		DRM_ERROR("Failed to get ddc i2c client by node\n");
+	hdata->ddc_adpt = of_find_i2c_adapter_by_node(ddc_node);
+	if (!hdata->ddc_adpt) {
+		DRM_ERROR("Failed to get ddc i2c adapter by node\n");
 		return -ENODEV;
 	}
 
@@ -2158,7 +2158,7 @@ static int hdmi_probe(struct platform_device *pdev)
 err_hdmiphy:
 	put_device(&hdata->hdmiphy_port->dev);
 err_ddc:
-	put_device(&hdata->ddc_port->dev);
+	put_device(&hdata->ddc_adpt->dev);
 	return ret;
 }
 
@@ -2169,7 +2169,7 @@ static int hdmi_remove(struct platform_device *pdev)
 	struct hdmi_context *hdata = display->ctx;
 
 	put_device(&hdata->hdmiphy_port->dev);
-	put_device(&hdata->ddc_port->dev);
+	put_device(&hdata->ddc_adpt->dev);
 	pm_runtime_disable(&pdev->dev);
 
 	return 0;