[media] em28xx-v4l: simplify some pointers in em28xx_init_camera()

Pointer v4l2" can be used instead of "dev->v4l2, which saves some characters.
Signed-off-by: NFrank Schäfer <fschaefer.oss@googlemail.com>
Signed-off-by: NMauro Carvalho Chehab <m.chehab@samsung.com>

drivers/media/usb/em28xx/em28xx-camera.c

@@ -366,7 +366,7 @@ int em28xx_init_camera(struct em28xx *dev)
 		v4l2->sensor_xtal = 4300000;
 		pdata.xtal = v4l2->sensor_xtal;
 		if (NULL ==
-		    v4l2_i2c_new_subdev_board(&dev->v4l2->v4l2_dev, adap,
+		    v4l2_i2c_new_subdev_board(&v4l2->v4l2_dev, adap,
 					      &mt9v011_info, NULL)) {
 			ret = -ENODEV;
 			break;
@@ -423,7 +423,7 @@ int em28xx_init_camera(struct em28xx *dev)
 		v4l2->sensor_yres = 480;
 
 		subdev =
-		     v4l2_i2c_new_subdev_board(&dev->v4l2->v4l2_dev, adap,
+		     v4l2_i2c_new_subdev_board(&v4l2->v4l2_dev, adap,
 					       &ov2640_info, NULL);
 		if (NULL == subdev) {
 			ret = -ENODEV;