On Thu, Mar 19, 2015 at 12:14:11PM +0100, Ulf Hansson wrote: > Agree. Moreover we need that API to also pick the closest value to > target, when trying the range "target->minimum". I also believe it The implementation *should* do that anyway, it's just not trivial to implement in an efficient fashion with the current information we have from drivers. > would be good to allow both upper and lower limits to be zero. The lower limit can be zero already though it isn't clear to me that this is useful. Setting an upper limit of zero seems nonsensical, an upper limit that is lower than the lower limit isn't terribly obvious and removing the upper limit isn't safe - it means that we'll happily oversupply things which is a road to physical damage.
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