linux-kernel - RE: [RFC 4/4] charger-manager: Enable psy based charge control

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Date:	Tue, 10 Mar 2015 05:21:29 +0000
From:	"Tc, Jenny" <jenny.tc@...el.com>
To:	Sebastian Reichel <sre@...nel.org>
CC:	"linux-pm@...r.kernel.org" <linux-pm@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"Anton Vorontsov" <anton.vorontsov@...aro.org>,
	David Woodhouse <dwmw2@...radead.org>,
	"jonghwa3.lee@...sung.com" <jonghwa3.lee@...sung.com>,
	"myungjoo.ham@...il.com" <myungjoo.ham@...il.com>,
	"Pallala, Ramakrishna" <ramakrishna.pallala@...el.com>
Subject: RE: [RFC 4/4] charger-manager: Enable psy based charge control

Hi,
 
> On Fri, Mar 06, 2015 at 04:03:27PM +0530, Jenny TC wrote:
> > At present charger manager support only regulator based charging
> > control. But most of the charger drivers are registered with power
> > supply subsystem. This patch adds support for power supply based
> > charging control along with the regulator based control. With the
> > patch, charging control can be done either using power supply
> > interface or with regulator interface. The charging is setup
> > based on battery parameters received through the battery info
> > handlers.
> 
> [...]
> 
> (so far I only skipped over the patch)

Appreciate if you could review entire patch. I will submit next patch set
addressing all your comments.

> [...]
> 
> > @@ -1704,6 +1968,10 @@ static int charger_manager_probe(struct
> platform_device *pdev)
> >  		strncpy(cm->psy_name_buf, desc->psy_name, PSY_NAME_MAX);
> >  	cm->charger_psy.name = cm->psy_name_buf;
> >
> > +	if (!power_supply_get_property(fuel_gauge,
> POWER_SUPPLY_PROP_MODEL_NAME,
> > +						&val))
> > +		cm->battery_info = psy_get_battery_info(val.strval);
> > +
> >  	/* Allocate for psy properties because they may vary */
> >  	cm->charger_psy.properties = devm_kzalloc(&pdev->dev,
> >  				sizeof(enum power_supply_property)
> 
> We are currently splitting battery data from fuel gauge data, so
> acquiring the battery using the fuel gauge's MODEL_NAME is not very
> nice.


Will enhance struct charger_desc{ ..} to support list of battery model name
supported. This can be used to query battery_info using psy_get_battery_info()

-Jenny
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