On Sun, Aug 02, 2015 at 05:32:30PM +0100, Jonathan Cameron wrote:
> On 20/07/15 15:14, Dan Carpenter wrote:
> > On Mon, Jul 20, 2015 at 04:52:30PM +0300, Teodora Baluta wrote:
> >> +static int mmc34160_raw_to_mgauss(int raw[3], int sens[3], int nfo,
> >> + int index, int *val)
> >> +{
> >> + switch (index) {
> >> + case AXIS_X:
> >> + *val = (raw[AXIS_X] - nfo) * 1000 / sens[AXIS_X];
> >> + break;
> >> + case AXIS_Y:
> >> + *val = (raw[AXIS_Y] - nfo) * 1000 / sens[AXIS_Y];
> >> + break;
> >> + case AXIS_Z:
> >> + *val = (raw[AXIS_Z] - nfo) * 1000 / sens[AXIS_Z];
> >> + break;
> >> + default:
> >> + return -EINVAL;
> >> + }
> >> +
> >> + return 0;
> >> +}
> >
> > We never pass invalid indexes here so this could be replaced with:
> >
> > static int mmc34160_raw_to_mgauss(int raw[3], int sens[3], int nfo,
> > int index, int *val)
> > {
> > *val = (raw[index] - nfo) * 1000 / sens[index];
> > return 0;
> Even better change the function signature and don't return anything at
> all perhaps?
>
Yeah. Or this:
static int mmc34160_raw_to_mgauss(int raw[3], int sens[3], int nfo, int index)
{
return (raw[index] - nfo) * 1000 / sens[index];
}
regards,
dan carpenter
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