Re: [PATCH 06/15] twl4030_charger: split uA calculation into a function.
From: Pavel Machek
Date: Mon Mar 02 2015 - 16:05:31 EST
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@xxxxxxx>
Acked-by: Pavel Machek <pavel@xxxxxx>
> +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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