media: i2c: imx219: Move variables to inner scope

The exposure_max, exposure_def and hblank variables are only used in an
inner scope in the imx219_set_pad_format() function. Move them to that
scope to keep them closer to their usage and improve readability.

Signed-off-by: Laurent Pinchart <[e-mail]>
Reviewed-by: Dave Stevenson <[e-mail]>
Signed-off-by: Sakari Ailus <[e-mail]>
Signed-off-by: Hans Verkuil <[e-mail]>

drivers/media/i2c/imx219.c

···
 {
 	struct imx219 *imx219 = to_imx219(sd);
 	const struct imx219_mode *mode;
-	int exposure_max, exposure_def, hblank;
 	struct v4l2_mbus_framefmt *format;
 	struct v4l2_rect *crop;
 	unsigned int bin_h, bin_v;
···
 	crop->top = (IMX219_NATIVE_HEIGHT - crop->height) / 2;
 
 	if (fmt->which == V4L2_SUBDEV_FORMAT_ACTIVE) {
+		int exposure_max;
+		int exposure_def;
+		int hblank;
+
 		/* Update limits and set FPS to default */
 		__v4l2_ctrl_modify_range(imx219->vblank, IMX219_VBLANK_MIN,
 					 IMX219_VTS_MAX - mode->height, 1,