media: v4l2-subdev.h: increase struct v4l2_subdev name size

This resolves a lot of the string truncate compiler warnings.
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>

drivers/staging/media/omap4iss/iss_csi2.c

@@ -1260,7 +1260,7 @@ static int csi2_init_entities(struct iss_csi2_device *csi2, const char *subname)
 	struct media_pad *pads = csi2->pads;
 	struct media_entity *me = &sd->entity;
 	int ret;
-	char name[V4L2_SUBDEV_NAME_SIZE];
+	char name[32];
 
 	v4l2_subdev_init(sd, &csi2_ops);
 	sd->internal_ops = &csi2_internal_ops;

include/media/v4l2-subdev.h

@@ -951,7 +951,7 @@ struct v4l2_subdev_internal_ops {
 	void (*release)(struct v4l2_subdev *sd);
 };
 
-#define V4L2_SUBDEV_NAME_SIZE 32
+#define V4L2_SUBDEV_NAME_SIZE 52
 
 /* Set this flag if this subdev is a i2c device. */
 #define V4L2_SUBDEV_FL_IS_I2C			(1U << 0)