[media] tvp5150: propagate I2C write error in .s_register callback

The tvp5150_write() function can fail so don't return 0 unconditionally
in tvp5150_s_register() but propagate what's returned by tvp5150_write().

Signed-off-by: Javier Martinez Canillas <[e-mail]>
Acked-by: Lad, Prabhakar <[e-mail]>
Signed-off-by: Mauro Carvalho Chehab <[e-mail]>

drivers/media/i2c/tvp5150.c

···
 
 static int tvp5150_s_register(struct v4l2_subdev *sd, const struct v4l2_dbg_register *reg)
 {
-	tvp5150_write(sd, reg->reg & 0xff, reg->val & 0xff);
-	return 0;
+	return tvp5150_write(sd, reg->reg & 0xff, reg->val & 0xff);
 }
 #endif