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authorDimitri Fedrau <dimitri.fedrau@liebherr.com>2024-12-03 11:04:36 +0300
committerSebastian Reichel <sebastian.reichel@collabora.com>2024-12-05 01:33:32 +0300
commitdc90aa3a72e624a3eb30e61d47c4c501006dfb8b (patch)
treef3cb6f549c9047f229b127cd7e3dd401ba83ea05
parent1c44832979a70570f2e652013877c7b15000494e (diff)
downloadlinux-dc90aa3a72e624a3eb30e61d47c4c501006dfb8b.tar.xz
power: supply: max1720x: add charge full property
Charge full holds the calculated full capacity of the cell based on all inputs from the ModelGauge m5 algorithm including empty compensation. A new full-capacity value is calculated continuously as application conditions change. Signed-off-by: Dimitri Fedrau <dimitri.fedrau@liebherr.com> Link: https://lore.kernel.org/r/20241203-max1720x-charge-full-prop-v1-1-b02776b43f17@liebherr.com Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
-rw-r--r--drivers/power/supply/max1720x_battery.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/power/supply/max1720x_battery.c b/drivers/power/supply/max1720x_battery.c
index 33105419e242..9c7e14d2c7b8 100644
--- a/drivers/power/supply/max1720x_battery.c
+++ b/drivers/power/supply/max1720x_battery.c
@@ -29,6 +29,7 @@
#define MAX172XX_TEMP 0x08 /* Temperature */
#define MAX172XX_CURRENT 0x0A /* Actual current */
#define MAX172XX_AVG_CURRENT 0x0B /* Average current */
+#define MAX172XX_FULL_CAP 0x10 /* Calculated full capacity */
#define MAX172XX_TTE 0x11 /* Time to empty */
#define MAX172XX_AVG_TA 0x16 /* Average temperature */
#define MAX172XX_CYCLES 0x17
@@ -250,6 +251,7 @@ static const enum power_supply_property max1720x_battery_props[] = {
POWER_SUPPLY_PROP_TEMP,
POWER_SUPPLY_PROP_CURRENT_NOW,
POWER_SUPPLY_PROP_CURRENT_AVG,
+ POWER_SUPPLY_PROP_CHARGE_FULL,
POWER_SUPPLY_PROP_MODEL_NAME,
POWER_SUPPLY_PROP_MANUFACTURER,
};
@@ -362,6 +364,10 @@ static int max1720x_battery_get_property(struct power_supply *psy,
ret = regmap_read(info->regmap, MAX172XX_AVG_CURRENT, &reg_val);
val->intval = max172xx_current_to_voltage(reg_val) / info->rsense;
break;
+ case POWER_SUPPLY_PROP_CHARGE_FULL:
+ ret = regmap_read(info->regmap, MAX172XX_FULL_CAP, &reg_val);
+ val->intval = max172xx_capacity_to_ps(reg_val);
+ break;
case POWER_SUPPLY_PROP_MODEL_NAME:
ret = regmap_read(info->regmap, MAX172XX_DEV_NAME, &reg_val);
reg_val = FIELD_GET(MAX172XX_DEV_NAME_TYPE_MASK, reg_val);