[media] media/i2c: fill in missing reg->size fields

Signed-off-by: NHans Verkuil <hans.verkuil@cisco.com>
Acked-by: NLad, Prabhakar <prabhakar.csengg@gmail.com>
Cc: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/i2c/ak881x.c

@@ -69,6 +69,7 @@ static int ak881x_g_register(struct v4l2_subdev *sd,
 	if (reg->reg > 0x26)
 		return -EINVAL;
 
+	reg->size = 1;
 	reg->val = reg_read(client, reg->reg);
 
 	if (reg->val > 0xffff)

drivers/media/i2c/soc_camera/mt9t031.c

@@ -398,6 +398,7 @@ static int mt9t031_g_register(struct v4l2_subdev *sd,
 	if (reg->reg > 0xff)
 		return -EINVAL;
 
+	reg->size = 1;
 	reg->val = reg_read(client, reg->reg);
 
 	if (reg->val > 0xffff)

drivers/media/i2c/soc_camera/tw9910.c

@@ -527,6 +527,7 @@ static int tw9910_g_register(struct v4l2_subdev *sd,
 	if (reg->reg > 0xff)
 		return -EINVAL;
 
+	reg->size = 1;
 	ret = i2c_smbus_read_byte_data(client, reg->reg);
 	if (ret < 0)
 		return ret;

drivers/media/i2c/tvp7002.c

@@ -722,6 +722,7 @@ static int tvp7002_g_register(struct v4l2_subdev *sd,
 
 	ret = tvp7002_read(sd, reg->reg & 0xff, &val);
 	reg->val = val;
+	reg->size = 1;
 	return ret;
 }