Messages in this thread |  | | From | Andy Shevchenko <> | Date | Sat, 28 Mar 2020 13:02:17 +0200 | Subject | Re: [PATCH v5 4/5] power: supply: Add support for mps mp2629 battery charger |
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On Sat, Mar 28, 2020 at 2:12 AM Saravanan Sekar <sravanhome@gmail.com> wrote: > > The mp2629 provides switching-mode battery charge management for > single-cell Li-ion or Li-polymer battery. Driver supports the > access/control input source and battery charging parameters.
...
> +#include <linux/module.h> > +#include <linux/of_device.h>
Missed header bits.h.
...
> + ret = iio_read_channel_processed(charger->iiochan[ch], &chval);
> + if (ret < 0)
Is it possible to get positive returned value?
> + return ret;
...
> + val->intval = (rval * props[fld].step) + props[fld].min;
Too many parentheses.
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> + return ((psp == POWER_SUPPLY_PROP_PRECHARGE_CURRENT) || > + (psp == POWER_SUPPLY_PROP_CHARGE_TERM_CURRENT) || > + (psp == POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT) || > + (psp == POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE));
Ditto.
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> + return ((psp == POWER_SUPPLY_PROP_INPUT_VOLTAGE_LIMIT) || > + (psp == POWER_SUPPLY_PROP_INPUT_CURRENT_LIMIT));
Ditto.
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> + return sprintf(buf, "%d mohm\n", rval);
Hmm... For units we usually have separate node, but it is up to maintainer, I dunno what the common practice is there.
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> + int val; > + int ret; > + > + ret = kstrtoint(buf, 10, &val); > + if (ret) > + return ret; > +
> + if (val < 0 && val > 140)
What the point to convert negative values in the first place? kstrtouint()
> + return -ERANGE;
...
> + struct power_supply_config psy_cfg = {NULL};
{ 0 }
-- With Best Regards, Andy Shevchenko
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