This is a long life mode set in the factory for extended warranty
battery, the power charging rate is customized so that battery at
work last longer.
Presently switching to a different battery charging mode is through
EC PID 0x0710 to configure the battery firmware, this operation will
be blocked by EC with failure code 0x01 when PLL mode is already
in use.
Signed-off-by: Crag Wang <[email protected]>
Reviewed-by: Mario Limonciello <[email protected]>
Signed-off-by: Sebastian Reichel <[email protected]>
Charging begins when level drops below
charge_control_start_threshold, and ceases when
level is above charge_control_end_threshold.
+ Long Life: Customized charge rate for last longer battery life.
+ On Wilco device this mode is pre-configured in the factory
+ through EC's private PID. Swiching to a different mode will
+ be denied by Wilco EC when Long Life mode is enabled.
What: /sys/class/power_supply/wilco-charger/charge_control_start_threshold
Date: April 2019
[POWER_SUPPLY_CHARGE_TYPE_STANDARD] = "Standard",
[POWER_SUPPLY_CHARGE_TYPE_ADAPTIVE] = "Adaptive",
[POWER_SUPPLY_CHARGE_TYPE_CUSTOM] = "Custom",
+ [POWER_SUPPLY_CHARGE_TYPE_LONGLIFE] = "Long Life",
};
static const char * const POWER_SUPPLY_HEALTH_TEXT[] = {
CHARGE_MODE_AC = 3, /* Mostly AC use, used for Trickle */
CHARGE_MODE_AUTO = 4, /* Used for Adaptive */
CHARGE_MODE_CUSTOM = 5, /* Used for Custom */
+ CHARGE_MODE_LONGLIFE = 6, /* Used for Long Life */
};
#define CHARGE_LOWER_LIMIT_MIN 50
return CHARGE_MODE_AUTO;
case POWER_SUPPLY_CHARGE_TYPE_CUSTOM:
return CHARGE_MODE_CUSTOM;
+ case POWER_SUPPLY_CHARGE_TYPE_LONGLIFE:
+ return CHARGE_MODE_LONGLIFE;
default:
return -EINVAL;
}
return POWER_SUPPLY_CHARGE_TYPE_ADAPTIVE;
case CHARGE_MODE_CUSTOM:
return POWER_SUPPLY_CHARGE_TYPE_CUSTOM;
+ case CHARGE_MODE_LONGLIFE:
+ return POWER_SUPPLY_CHARGE_TYPE_LONGLIFE;
default:
return -EINVAL;
}
POWER_SUPPLY_CHARGE_TYPE_STANDARD, /* normal speed */
POWER_SUPPLY_CHARGE_TYPE_ADAPTIVE, /* dynamically adjusted speed */
POWER_SUPPLY_CHARGE_TYPE_CUSTOM, /* use CHARGE_CONTROL_* props */
+ POWER_SUPPLY_CHARGE_TYPE_LONGLIFE, /* slow speed, longer life */
};
enum {