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Subject[PATCH] power: supply: sc27xx: Add POWER_SUPPLY_PROP_CHARGE_NOW attribute
Date
Add the POWER_SUPPLY_PROP_CHARGE_NOW attribute to allow user to get
current battery capacity (uAh) to do measurement.

Signed-off-by: Baolin Wang <baolin.wang7@gmail.com>
---
drivers/power/supply/sc27xx_fuel_gauge.c | 12 ++++++++++++
1 file changed, 12 insertions(+)

diff --git a/drivers/power/supply/sc27xx_fuel_gauge.c b/drivers/power/supply/sc27xx_fuel_gauge.c
index 469c83f..a7c8a84 100644
--- a/drivers/power/supply/sc27xx_fuel_gauge.c
+++ b/drivers/power/supply/sc27xx_fuel_gauge.c
@@ -614,6 +614,17 @@ static int sc27xx_fgu_get_property(struct power_supply *psy,
val->intval = data->total_cap * 1000;
break;

+ case POWER_SUPPLY_PROP_CHARGE_NOW:
+ ret = sc27xx_fgu_get_clbcnt(data, &value);
+ if (ret)
+ goto error;
+
+ value = DIV_ROUND_CLOSEST(value * 10,
+ 36 * SC27XX_FGU_SAMPLE_HZ);
+ val->intval = sc27xx_fgu_adc_to_current(data, value);
+
+ break;
+
default:
ret = -EINVAL;
break;
@@ -682,6 +693,7 @@ static int sc27xx_fgu_property_is_writeable(struct power_supply *psy,
POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE,
POWER_SUPPLY_PROP_ENERGY_FULL_DESIGN,
POWER_SUPPLY_PROP_CALIBRATE,
+ POWER_SUPPLY_PROP_CHARGE_NOW
};

static const struct power_supply_desc sc27xx_fgu_desc = {
--
1.7.9.5
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