linux-kernel - Re: [PATCH 8/8] power: bq27xxx_battery: Cleanup health checking

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Message-ID: <1437671193.26573.10.camel@perches.com>
Date:	Thu, 23 Jul 2015 10:06:33 -0700
From:	Joe Perches <joe@...ches.com>
To:	Pali Rohár <pali.rohar@...il.com>
Cc:	"Andrew F. Davis" <afd@...com>, Sebastian Reichel <sre@...nel.org>,
	Dmitry Eremin-Solenikov <dbaryshkov@...il.com>,
	David Woodhouse <dwmw2@...radead.org>,
	Dan Murphy <dmurphy@...com>, linux-pm@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 8/8] power: bq27xxx_battery: Cleanup health checking

On Thu, 2015-07-23 at 18:22 +0200, Pali Rohár wrote:
> On Wednesday 22 July 2015 16:52:00 Andrew F. Davis wrote:
> > Reorganize the logic checking battery health and under temperature
> > condition checking.
[]
> > diff --git a/drivers/power/bq27xxx_battery.c b/drivers/power/bq27xxx_battery.c
[]
> > @@ -624,10 +626,34 @@ static int bq27xxx_battery_read_pwr_avg(struct bq27xxx_device_info *di)
> >   */
> >  static int bq27xxx_battery_overtemp(struct bq27xxx_device_info *di, u16 flags)
> >  {
> > -	if (di->chip == BQ27500 || di->chip == BQ27541)
> > +	if (di->chip == BQ27500 || di->chip == BQ27541 || di->chip == BQ27545)
> >  		return flags & (BQ27XXX_FLAG_OTC | BQ27XXX_FLAG_OTD);
> > +	if (di->chip == BQ27530 || di->chip == BQ27421)
> > +		return flags & BQ27XXX_FLAG_OT;
> > +
> > +	return false;

Maybe this int function should be bool or return 0
instead of false.

> > +static int bq27xxx_battery_undertemp(struct bq27xxx_device_info *di, u16 flags)
> > +{
> > +	if (di->chip == BQ27530 || di->chip == BQ27421)
> > +			return flags & BQ27XXX_FLAG_UT;
> > +
> > +	return false;
> > +}

Here too

> > +
> > +/*
> > + * Returns true if a low state of charge condition is detected
> > + */
> > +static int bq27xxx_battery_dead(struct bq27xxx_device_info *di, u16 flags)
> > +{
> > +	if (di->chip == BQ27000 || di->chip == BQ27010)
> > +		return flags & (BQ27000_FLAG_EDV1 | BQ27000_FLAG_EDVF);
> >  	else
> > -		return flags & BQ27XXX_FLAG_OTC;
> > +		return flags & (BQ27XXX_FLAG_SOC1 | BQ27XXX_FLAG_SOCF);
> >  }

and here


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