[media] v4l: s5k6a3: Return V4L2_FIELD_NONE from pad-level set format

The sensor is progressive, always return the field order set to
V4L2_FIELD_NONE.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>

drivers/media/i2c/s5k6a3.c

@@ -115,6 +115,7 @@ static void s5k6a3_try_format(struct v4l2_mbus_framefmt *mf)
 
 	fmt = find_sensor_format(mf);
 	mf->code = fmt->code;
+	mf->field = V4L2_FIELD_NONE;
 	v4l_bound_align_image(&mf->width, S5K6A3_SENSOR_MIN_WIDTH,
 			      S5K6A3_SENSOR_MAX_WIDTH, 0,
 			      &mf->height, S5K6A3_SENSOR_MIN_HEIGHT,