- float delta = desc.upper - desc.lower;
- desc.step = delta / 1000.0f;
- desc.smallstep = delta / 10000.0f;
- desc.largestep = delta/10.0f;
+ /* if there is no explicit hint for the default
+ * value, use lower bound. This is not great but
+ * better than just assuming '0' which may be out-of range.
+ */
+ desc.normal = desc.lower;