Commit fc2bb6c7 authored by Craig Tatlor's avatar Craig Tatlor Committed by Dmitry Baryshkov
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fixp-arith: add a linear interpolation function 



Adds a function to interpolate against two points,
this is carried arount as a helper function by tons of drivers.

Signed-off-by: default avatarCraig Tatlor <ctatlor97@gmail.com>
Reviewed-by: default avatarLinus Walleij <linus.walleij@linaro.org>
Signed-off-by: default avatarDmitry Baryshkov <dmitry.baryshkov@linaro.org>
parent 1f06428b
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