path: root/Documentation/power/charger-manager.txt
diff options
authorDonggeun Kim <dg77.kim@samsung.com>2011-12-27 18:47:49 +0900
committerAnton Vorontsov <cbouatmailru@gmail.com>2012-01-04 08:08:45 +0400
commitad3d13eee78ec44194bf919a37e2f711e53cbdf0 (patch)
treee7a950b1e1d2642c4fae0a7019ac7ceed5241104 /Documentation/power/charger-manager.txt
parent3bb3dbbd56ea39e5537db8f8041ea95d28f16a7f (diff)
power_supply: Charger-Manager: Add properties for power-supply-class
Charger Manager provides power-supply-class aggregating information from multiple chargers and a fuel-gauge. Signed-off-by: Donggeun Kim <dg77.kim@samsung.com> Signed-off-by: MyungJoo Ham <myungjoo.ham@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by: Anton Vorontsov <cbouatmailru@gmail.com>
Diffstat (limited to 'Documentation/power/charger-manager.txt')
1 files changed, 14 insertions, 0 deletions
diff --git a/Documentation/power/charger-manager.txt b/Documentation/power/charger-manager.txt
index 081489f3db25..fdcca991df30 100644
--- a/Documentation/power/charger-manager.txt
+++ b/Documentation/power/charger-manager.txt
@@ -98,6 +98,11 @@ battery), an instance of Charger Manager is attached to it.
struct charger_desc {
+char *psy_name;
+ : The power-supply-class name of the battery. Default is
+ "battery" if psy_name is NULL. Users can access the psy entries
+ at "/sys/class/power_supply/[psy_name]/".
enum polling_modes polling_mode;
: CM_POLL_DISABLE: do not poll this battery.
CM_POLL_ALWAYS: always poll this battery.
@@ -106,6 +111,12 @@ enum polling_modes polling_mode;
CM_POLL_CHARGING_ONLY: poll this battery if and only if the
battery is being charged.
+unsigned int fullbatt_uV;
+ : If specified with a non-zero value, Charger Manager assumes
+ that the battery is full (capacity = 100) if the battery is not being
+ charged and the battery voltage is equal to or greater than
+ fullbatt_uV.
unsigned int polling_interval_ms;
: Required polling interval in ms. Charger Manager will poll
this battery every polling_interval_ms or more frequently.
@@ -131,10 +142,13 @@ char *psy_fuel_gauge;
: Power-supply-class name of the fuel gauge.
int (*temperature_out_of_range)(int *mC);
+bool measure_battery_temp;
: This callback returns 0 if the temperature is safe for charging,
a positive number if it is too hot to charge, and a negative number
if it is too cold to charge. With the variable mC, the callback returns
the temperature in 1/1000 of centigrade.
+ The source of temperature can be battery or ambient one according to
+ the value of measure_battery_temp.
5. Other Considerations