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power_supply: Add new power supply AUTHENTIC property

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It is possible that users can use non-standard chargers or use invalid
batteries especially with mobile devices.

This patch adds a new power supply property called 'AUTHENTIC' to
indicate this to the user(user space).

Signed-off-by: Ramakrishna Pallala <ramakrishna.pallala@intel.com>
Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
This commit is contained in:
Ramakrishna Pallala 2012-08-23 06:50:21 +05:30 committed by Anton Vorontsov
parent deacc4fe57
commit b1b56872be
3 changed files with 5 additions and 0 deletions
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3
Documentation/power/power_supply_class.txt
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@ -81,6 +81,9 @@ This defines trickle and fast charges. For batteries that
are already charged or discharging, 'n/a' can be displayed (or are already charged or discharging, 'n/a' can be displayed (or
'unknown', if the status is not known). 'unknown', if the status is not known).
AUTHENTIC - indicates the power supply (battery or charger) connected
to the platform is authentic(1) or non authentic(0).
HEALTH - represents health of the battery, values corresponds to HEALTH - represents health of the battery, values corresponds to
POWER_SUPPLY_HEALTH_*, defined in battery.h. POWER_SUPPLY_HEALTH_*, defined in battery.h.

1
drivers/power/power_supply_sysfs.c
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@ -138,6 +138,7 @@ static struct device_attribute power_supply_attrs[] = {
POWER_SUPPLY_ATTR(health), POWER_SUPPLY_ATTR(health),
POWER_SUPPLY_ATTR(present), POWER_SUPPLY_ATTR(present),
POWER_SUPPLY_ATTR(online), POWER_SUPPLY_ATTR(online),
POWER_SUPPLY_ATTR(authentic),
POWER_SUPPLY_ATTR(technology), POWER_SUPPLY_ATTR(technology),
POWER_SUPPLY_ATTR(cycle_count), POWER_SUPPLY_ATTR(cycle_count),
POWER_SUPPLY_ATTR(voltage_max), POWER_SUPPLY_ATTR(voltage_max),

1
include/linux/power_supply.h
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@ -88,6 +88,7 @@ enum power_supply_property {
POWER_SUPPLY_PROP_HEALTH, POWER_SUPPLY_PROP_HEALTH,
POWER_SUPPLY_PROP_PRESENT, POWER_SUPPLY_PROP_PRESENT,
POWER_SUPPLY_PROP_ONLINE, POWER_SUPPLY_PROP_ONLINE,
POWER_SUPPLY_PROP_AUTHENTIC,
POWER_SUPPLY_PROP_TECHNOLOGY, POWER_SUPPLY_PROP_TECHNOLOGY,
POWER_SUPPLY_PROP_CYCLE_COUNT, POWER_SUPPLY_PROP_CYCLE_COUNT,
POWER_SUPPLY_PROP_VOLTAGE_MAX, POWER_SUPPLY_PROP_VOLTAGE_MAX,