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authorRamakrishna Pallala <ramakrishna.pallala@intel.com>2012-08-23 05:20:21 +0400
committerAnton Vorontsov <anton.vorontsov@linaro.org>2012-08-23 06:56:37 +0400
commitb1b56872be3b36af19313bf0953b1361c36b4a98 (patch)
tree2e6fde9da5401cad5e367a3ac95587eb25a01908
parentdeacc4fe57794f80ad4449c7cea611921c2d0420 (diff)
downloadlinux-b1b56872be3b36af19313bf0953b1361c36b4a98.tar.xz
power_supply: Add new power supply AUTHENTIC property
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>
-rw-r--r--Documentation/power/power_supply_class.txt3
-rw-r--r--drivers/power/power_supply_sysfs.c1
-rw-r--r--include/linux/power_supply.h1
3 files changed, 5 insertions, 0 deletions
diff --git a/Documentation/power/power_supply_class.txt b/Documentation/power/power_supply_class.txt
index 2f0ddc15b5ac..48badec1cec3 100644
--- a/Documentation/power/power_supply_class.txt
+++ b/Documentation/power/power_supply_class.txt
@@ -81,6 +81,9 @@ This defines trickle and fast charges. For batteries that
are already charged or discharging, 'n/a' can be displayed (or
'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
POWER_SUPPLY_HEALTH_*, defined in battery.h.
diff --git a/drivers/power/power_supply_sysfs.c b/drivers/power/power_supply_sysfs.c
index 1d96614a17a4..be34a6d4664d 100644
--- a/drivers/power/power_supply_sysfs.c
+++ b/drivers/power/power_supply_sysfs.c
@@ -138,6 +138,7 @@ static struct device_attribute power_supply_attrs[] = {
POWER_SUPPLY_ATTR(health),
POWER_SUPPLY_ATTR(present),
POWER_SUPPLY_ATTR(online),
+ POWER_SUPPLY_ATTR(authentic),
POWER_SUPPLY_ATTR(technology),
POWER_SUPPLY_ATTR(cycle_count),
POWER_SUPPLY_ATTR(voltage_max),
diff --git a/include/linux/power_supply.h b/include/linux/power_supply.h
index 0bafbb15f29c..204d43dc6ddc 100644
--- a/include/linux/power_supply.h
+++ b/include/linux/power_supply.h
@@ -88,6 +88,7 @@ enum power_supply_property {
POWER_SUPPLY_PROP_HEALTH,
POWER_SUPPLY_PROP_PRESENT,
POWER_SUPPLY_PROP_ONLINE,
+ POWER_SUPPLY_PROP_AUTHENTIC,
POWER_SUPPLY_PROP_TECHNOLOGY,
POWER_SUPPLY_PROP_CYCLE_COUNT,
POWER_SUPPLY_PROP_VOLTAGE_MAX,