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Commit 6a427739 authored by Todd Poynor's avatar Todd Poynor Committed by Amit Pundir
Browse files

ANDROID: power: power_supply: Add property CHARGE_COUNTER_EXT and 64-bit precision properties 



Add POWER_SUPPLY_PROP_CHARGE_COUNTER_EXT that stores accumulated charge
in nAh units as a signed 64-bit value.

Add generic support for signed 64-bit property values.

Change-Id: I2bd34b1e95ffba24e7bfef81f398f22bd2aaf05e
Signed-off-by: default avatarTodd Poynor <toddpoynor@google.com>
parent 10152c26

drivers/power/supply/power_supply_sysfs.c

+5 −0
Original line number Diff line number Diff line
@@ -171,6 +171,9 @@ static ssize_t power_supply_show_property(struct device *dev, 
		ret = sprintf(buf, "%s\n",

			      power_supply_scope_text[value.intval]);

		break;

	case POWER_SUPPLY_PROP_CHARGE_COUNTER_EXT:

		ret = sprintf(buf, "%lld\n", value.int64val);

		break;

	case POWER_SUPPLY_PROP_MODEL_NAME ... POWER_SUPPLY_PROP_SERIAL_NUMBER:

		ret = sprintf(buf, "%s\n", value.strval);

		break;
@@ -306,6 +309,8 @@ static struct device_attribute power_supply_attrs[] = { 
	POWER_SUPPLY_ATTR(usb_hc),

	POWER_SUPPLY_ATTR(usb_otg),

	POWER_SUPPLY_ATTR(charge_enabled),

	/* Local extensions of type int64_t */

	POWER_SUPPLY_ATTR(charge_counter_ext),

	/* Properties of type `const char *' */

	POWER_SUPPLY_ATTR(model_name),

	POWER_SUPPLY_ATTR(manufacturer),

include/linux/power_supply.h

+4 −0
Original line number Diff line number Diff line
@@ -18,6 +18,7 @@ 
#include <linux/leds.h>

#include <linux/spinlock.h>

#include <linux/notifier.h>

#include <linux/types.h>



/*

 * All voltages, currents, charges, energies, time and temperatures in uV,
@@ -154,6 +155,8 @@ enum power_supply_property { 
	POWER_SUPPLY_PROP_USB_HC,

	POWER_SUPPLY_PROP_USB_OTG,

	POWER_SUPPLY_PROP_CHARGE_ENABLED,

	/* Local extensions of type int64_t */

	POWER_SUPPLY_PROP_CHARGE_COUNTER_EXT,

	/* Properties of type `const char *' */

	POWER_SUPPLY_PROP_MODEL_NAME,

	POWER_SUPPLY_PROP_MANUFACTURER,
@@ -195,6 +198,7 @@ enum power_supply_notifier_events { 
union power_supply_propval {

	int intval;

	const char *strval;

	int64_t int64val;

};



struct device_node;