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power_supply: Add boot and calibration attributes

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Usually PMIC's come with coulomb counting mechanism which can be
used to implement a Fuel Gauginig solution in Software itself.
One of key input to these SW Fuel Gauge solutioons is the boot up
parameters like boot voltage and boot current.

This patch adds the VOLTAGE_BOOT and CURRENT_BOOT power supply attributes
to report bootup voltage and current.

This patch also adds CALIBRATE power supply attribute which useful is
for calibrating the battery/coulomb counter.

Signed-off-by: Ramakrishna Pallala <[email protected]>
Signed-off-by: Sebastian Reichel <[email protected]>
This commit is contained in:
Ramakrishna Pallala 2014-08-27 23:44:08 +05:30 • committed by Sebastian Reichel
commit a8adcc9012
3 changed files with 14 additions and 0 deletions
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3
drivers/power/power_supply_sysfs.c
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@ -149,9 +149,11 @@ static struct device_attribute power_supply_attrs[] = {
POWER_SUPPLY_ATTR(voltage_now),
POWER_SUPPLY_ATTR(voltage_avg),
POWER_SUPPLY_ATTR(voltage_ocv),
POWER_SUPPLY_ATTR(voltage_boot),
POWER_SUPPLY_ATTR(current_max),
POWER_SUPPLY_ATTR(current_now),
POWER_SUPPLY_ATTR(current_avg),
POWER_SUPPLY_ATTR(current_boot),
POWER_SUPPLY_ATTR(power_now),
POWER_SUPPLY_ATTR(power_avg),
POWER_SUPPLY_ATTR(charge_full_design),
@ -193,6 +195,7 @@ static struct device_attribute power_supply_attrs[] = {
POWER_SUPPLY_ATTR(type),
POWER_SUPPLY_ATTR(scope),
POWER_SUPPLY_ATTR(charge_term_current),
POWER_SUPPLY_ATTR(calibrate),
/* Properties of type `const char *' */
POWER_SUPPLY_ATTR(model_name),
POWER_SUPPLY_ATTR(manufacturer),