Re: [PATCH v5 3/5] iio: adc: mp2629: Add support for mp2629 ADC driver

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On Sat, 28 Mar 2020 12:52:11 +0200
Andy Shevchenko <andy.shevchenko@xxxxxxxxx> wrote:

> On Sat, Mar 28, 2020 at 2:12 AM Saravanan Sekar <sravanhome@xxxxxxxxx> wrote:
> >
> > Add support for 8-bit resolution ADC readings for input power
> > supply and battery charging measurement. Provides voltage, current
> > readings to mp2629 power supply driver.  
> 
> ...
> 
> > +               ret = regmap_read(info->regmap, chan->address, &rval);
> > +               if (ret < 0)  
> 
> ' < 0' is not needed for regmap call.
> 
> ..
> 
> > +               case MP2629_INPUT_CURRENT:
> > +                       *val = 133;
> > +                       *val2 = 10;
> > +                       return IIO_VAL_FRACTIONAL;
> > +
> > +               default:
> > +                       return -EINVAL;
> > +               }
> > +
> > +       default:
> > +               return -EINVAL;
> > +       }  
> 
> > +
> > +       return 0;  
> 
> Do you really need this? Looks to me as dead code.
> 
> ...
> 
> > +       indio_dev->name = dev_name(dev);  
> 
> Shouldn't be this a part number?
> I heard something, so, I might be mistaken, but I hope maintainers
> will help here.

It should indeed.  I have a nasty habit of missing this in
review so thanks for pointing it out!

Jonathan




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