On Tue 2015-02-24 15:33:51, NeilBrown wrote:
> We will need this calculation in other places, so
> create functions to map between register value and uA value.
> 
> Signed-off-by: NeilBrown <[email protected]>

Acked-by: Pavel Machek <[email protected]>

> +static int regval2ua(int regval, bool cgain)
> +{
> +     if (cgain)
> +             return (regval * 16618 - 8500 * 1000) / 5;
> +     else
> +             return (regval * 16618 - 8500 * 1000) / 10;
> +}

   int res = (regval * 16618 - 8500 * 1000);
   if (cgain)
      return res / 5;
   return res / 10;

?
                                                                        Pavel
-- 
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http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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