media: media/i2c: add missing entity functions

Several drivers in media/i2c do not set the entity function.
Correct this.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>

drivers/media/i2c/et8ek8/et8ek8_driver.c

@@ -1446,6 +1446,7 @@ static int et8ek8_probe(struct i2c_client *client,
 	sensor->subdev.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
 	sensor->subdev.internal_ops = &et8ek8_internal_ops;
 
+	sensor->subdev.entity.function = MEDIA_ENT_F_CAM_SENSOR;
 	sensor->pad.flags = MEDIA_PAD_FL_SOURCE;
 	ret = media_entity_pads_init(&sensor->subdev.entity, 1, &sensor->pad);
 	if (ret < 0) {

drivers/media/i2c/mt9m032.c

@@ -793,6 +793,7 @@ static int mt9m032_probe(struct i2c_client *client,
 	v4l2_ctrl_cluster(2, &sensor->hflip);
 
 	sensor->subdev.ctrl_handler = &sensor->ctrls;
+	sensor->subdev.entity.function = MEDIA_ENT_F_CAM_SENSOR;
 	sensor->pad.flags = MEDIA_PAD_FL_SOURCE;
 	ret = media_entity_pads_init(&sensor->subdev.entity, 1, &sensor->pad);
 	if (ret < 0)

drivers/media/i2c/mt9p031.c

@@ -1111,6 +1111,7 @@ static int mt9p031_probe(struct i2c_client *client,
 	v4l2_i2c_subdev_init(&mt9p031->subdev, client, &mt9p031_subdev_ops);
 	mt9p031->subdev.internal_ops = &mt9p031_subdev_internal_ops;
 
+	mt9p031->subdev.entity.function = MEDIA_ENT_F_CAM_SENSOR;
 	mt9p031->pad.flags = MEDIA_PAD_FL_SOURCE;
 	ret = media_entity_pads_init(&mt9p031->subdev.entity, 1, &mt9p031->pad);
 	if (ret < 0)

drivers/media/i2c/mt9t001.c

@@ -943,6 +943,7 @@ static int mt9t001_probe(struct i2c_client *client,
 	mt9t001->subdev.internal_ops = &mt9t001_subdev_internal_ops;
 	mt9t001->subdev.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
 
+	mt9t001->subdev.entity.function = MEDIA_ENT_F_CAM_SENSOR;
 	mt9t001->pad.flags = MEDIA_PAD_FL_SOURCE;
 	ret = media_entity_pads_init(&mt9t001->subdev.entity, 1, &mt9t001->pad);
 

drivers/media/i2c/mt9v032.c

@@ -1162,6 +1162,7 @@ static int mt9v032_probe(struct i2c_client *client,
 	mt9v032->subdev.internal_ops = &mt9v032_subdev_internal_ops;
 	mt9v032->subdev.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
 
+	mt9v032->subdev.entity.function = MEDIA_ENT_F_CAM_SENSOR;
 	mt9v032->pad.flags = MEDIA_PAD_FL_SOURCE;
 	ret = media_entity_pads_init(&mt9v032->subdev.entity, 1, &mt9v032->pad);
 	if (ret < 0)