omapfb: connector-hdmi: simplify the return expression of hdmic_connect

Simplify the return expression.

Signed-off-by: Qinglang Miao <miaoqinglang@huawei.com>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org> # dropped gpio-cs5535.c changes
Link: https://patchwork.freedesktop.org/patch/msgid/20200921131051.92661-1-miaoqinglang@huawei.com

Author: Qinglang Miao

drivers/video/fbdev/omap2/omapfb/displays/connector-hdmi.c

@@ -50,18 +50,13 @@ static int hdmic_connect(struct omap_dss_device *dssdev)
 {
 	struct panel_drv_data *ddata = to_panel_data(dssdev);
 	struct omap_dss_device *in = ddata->in;
-	int r;
 
 	dev_dbg(ddata->dev, "connect\n");
 
 	if (omapdss_device_is_connected(dssdev))
 		return 0;
 
-	r = in->ops.hdmi->connect(in, dssdev);
-	if (r)
-		return r;
-
-	return 0;
+	return in->ops.hdmi->connect(in, dssdev);
 }
 
 static void hdmic_disconnect(struct omap_dss_device *dssdev)