omapfb: panel-sony-acx565akm: simplify the return expression of acx565akm_connect()

Simplify the return expression.
Signed-off-by: Qinglang Miao <miaoqinglang@huawei.com>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20200921131052.92707-1-miaoqinglang@huawei.com

drivers/video/fbdev/omap2/omapfb/displays/panel-sony-acx565akm.c

@@ -506,16 +506,11 @@ static int acx565akm_connect(struct omap_dss_device *dssdev)
 {
 	struct panel_drv_data *ddata = to_panel_data(dssdev);
 	struct omap_dss_device *in = ddata->in;
-	int r;
 
 	if (omapdss_device_is_connected(dssdev))
 		return 0;
 
-	r = in->ops.sdi->connect(in, dssdev);
-	if (r)
-		return r;
-
-	return 0;
+	return in->ops.sdi->connect(in, dssdev);
 }
 
 static void acx565akm_disconnect(struct omap_dss_device *dssdev)