linux-kernel - Re: [PATCH 2/4] power_supply: Introduce Generic Power Supply charging driver

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Message-ID: <20140129191324.GC15355@jenny-desktop>
Date:	Thu, 30 Jan 2014 00:43:24 +0530
From:	Jenny Tc <jenny.tc@...el.com>
To:	Pavel Machek <pavel@....cz>
Cc:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Dmitry Eremin-Solenikov <dbaryshkov@...il.com>,
	Anton Vorontsov <cbouatmailru@...il.com>,
	Anton Vorontsov <anton.vorontsov@...aro.org>,
	Kim Milo <Milo.Kim@...com>, Lee Jones <lee.jones@...aro.org>,
	Jingoo Han <jg1.han@...sung.com>,
	Chanwoo Choi <cw00.choi@...sung.com>,
	Sachin Kamat <sachin.kamat@...aro.org>,
	Rupesh Kumar <rupesh.kumar@...ricsson.com>,
	Lars-Peter Clausen <lars@...afoo.de>,
	Pali Roh?r <pali.rohar@...il.com>,
	Mark Brown <broonie@...nsource.wolfsonmicro.com>,
	Rhyland Klein <rklein@...dia.com>,
	David Woodhouse <dwmw2@...radead.org>,
	Tony Lindgren <tony@...mide.com>,
	Russell King <linux@....linux.org.uk>,
	Sebastian Reichel <sre@...g0.de>,
	"aaro.koskinen@....fi" <aaro.koskinen@....fi>,
	"freemangordon@....bg" <freemangordon@....bg>,
	"linux-omap@...r.kernel.org" <linux-omap@...r.kernel.org>
Subject: Re: [PATCH 2/4] power_supply: Introduce Generic Power Supply
 charging driver

On Sat, Jan 25, 2014 at 10:04:03AM -0700, Pavel Machek wrote:
> > +	* Write access using set_property
> > +		* Set Maximum charging current
> > +		* Action: Configure safety charging registers if any. If not no
> > +			  actions expected for this.
> 
> Having property that does nothing sounds evil to me.

No h/w actions expected. But driver action expected. Will fix in next patch set

> > +* POWER_SUPPLY_CHARGER_PROP_ENABLE_CHARGING
> > +	* Write access using set_property
> > +		* Enable/Disable charging. Charger supplies power to platform,
> > +		  but charging is disabled
> 
> This is unclear. Charging is always disabled?

Writing 0, disables charger. Writing 1 enables charging. 

-Jenny
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