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| author | Baolin Wang <baolin.wang7@gmail.com> | 2020-02-14 13:38:58 +0800 |
|---|---|---|
| committer | Sebastian Reichel <sebastian.reichel@collabora.com> | 2020-02-24 18:09:30 +0100 |
| commit | 1c5dfc5e3f2df5892a849621d729daa87cfef436 (patch) | |
| tree | 92a48f52614439e23bf8f545e608e5d843bc81d6 /drivers/power | |
| parent | 5b11e5d784c2dab41cd3171f4d297bdcac1b85ed (diff) | |
| download | lwn-1c5dfc5e3f2df5892a849621d729daa87cfef436.tar.gz lwn-1c5dfc5e3f2df5892a849621d729daa87cfef436.zip | |
power: supply: sc27xx: Add POWER_SUPPLY_PROP_CHARGE_NOW attribute
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>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Diffstat (limited to 'drivers/power')
| -rw-r--r-- | drivers/power/supply/sc27xx_fuel_gauge.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/power/supply/sc27xx_fuel_gauge.c b/drivers/power/supply/sc27xx_fuel_gauge.c index 469c83fdaa8e..a7c8a8453db1 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 enum power_supply_property sc27xx_fgu_props[] = { 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 = { |