Re: [PATCH 06/15] twl4030_charger: split uA calculation into a function.

Pavel Machek
2015-03-02T21:05:25Z

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 <neilb@suse.de>

Acked-by: Pavel Machek <pavel@ucw.cz>

> +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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