diff options
| -rw-r--r-- | Documentation/ABI/testing/sysfs-class-power-wilco | 4 | ||||
| -rw-r--r-- | drivers/power/supply/power_supply_sysfs.c | 1 | ||||
| -rw-r--r-- | drivers/power/supply/wilco-charger.c | 5 | ||||
| -rw-r--r-- | include/linux/power_supply.h | 1 |
4 files changed, 11 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-class-power-wilco b/Documentation/ABI/testing/sysfs-class-power-wilco index da1d6ffe5e3c..84fde1d0ada0 100644 --- a/Documentation/ABI/testing/sysfs-class-power-wilco +++ b/Documentation/ABI/testing/sysfs-class-power-wilco @@ -14,6 +14,10 @@ Description: 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 diff --git a/drivers/power/supply/power_supply_sysfs.c b/drivers/power/supply/power_supply_sysfs.c index b903cb4dca2b..3d383086018c 100644 --- a/drivers/power/supply/power_supply_sysfs.c +++ b/drivers/power/supply/power_supply_sysfs.c @@ -87,6 +87,7 @@ static const char * const POWER_SUPPLY_CHARGE_TYPE_TEXT[] = { [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[] = { diff --git a/drivers/power/supply/wilco-charger.c b/drivers/power/supply/wilco-charger.c index b3c6d7cdd731..98ade073ef05 100644 --- a/drivers/power/supply/wilco-charger.c +++ b/drivers/power/supply/wilco-charger.c @@ -27,6 +27,7 @@ enum charge_mode { 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 @@ -48,6 +49,8 @@ static int psp_val_to_charge_mode(int psp_val) 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; } @@ -67,6 +70,8 @@ static int charge_mode_to_psp_val(enum charge_mode mode) 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; } diff --git a/include/linux/power_supply.h b/include/linux/power_supply.h index b5ee35d3c304..97cc4b85bf61 100644 --- a/include/linux/power_supply.h +++ b/include/linux/power_supply.h @@ -48,6 +48,7 @@ enum { 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 { |