media: vimc: Don't iterate over single pad

The .init_state() operations of the debayer and sensor entities iterate
over the entity's pads. In practice, the iteration covers a single pad
only. Access the pad directly and remove the loops.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>

drivers/media/test-drivers/vimc/vimc-debayer.c

@@ -155,16 +155,13 @@ static int vimc_debayer_init_state(struct v4l2_subdev *sd,
 {
 	struct vimc_debayer_device *vdebayer = v4l2_get_subdevdata(sd);
 	struct v4l2_mbus_framefmt *mf;
-	unsigned int i;
 
 	mf = v4l2_subdev_state_get_format(sd_state, 0);
 	*mf = sink_fmt_default;
 
-	for (i = 1; i < sd->entity.num_pads; i++) {
-		mf = v4l2_subdev_state_get_format(sd_state, i);
-		*mf = sink_fmt_default;
-		mf->code = vdebayer->src_code;
-	}
+	mf = v4l2_subdev_state_get_format(sd_state, 1);
+	*mf = sink_fmt_default;
+	mf->code = vdebayer->src_code;
 
 	return 0;
 }

drivers/media/test-drivers/vimc/vimc-sensor.c

@@ -44,14 +44,10 @@ static const struct v4l2_mbus_framefmt fmt_default = {
 static int vimc_sensor_init_state(struct v4l2_subdev *sd,
 				  struct v4l2_subdev_state *sd_state)
 {
-	unsigned int i;
-
-	for (i = 0; i < sd->entity.num_pads; i++) {
-		struct v4l2_mbus_framefmt *mf;
+	struct v4l2_mbus_framefmt *mf;
 
-		mf = v4l2_subdev_state_get_format(sd_state, i);
-		*mf = fmt_default;
-	}
+	mf = v4l2_subdev_state_get_format(sd_state, 0);
+	*mf = fmt_default;
 
 	return 0;
 }