| Date | Mon, 2 Mar 2015 22:05:18 +0100 | From | Pavel Machek <> | Subject | Re: [PATCH 06/15] twl4030_charger: split uA calculation into a function. |
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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 -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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