diff options
| author | Yuanjiang Yu <yuanjiang.yu@unisoc.com> | 2019-07-31 18:00:28 +0800 |
|---|---|---|
| committer | Sebastian Reichel <sebastian.reichel@collabora.com> | 2019-09-02 23:00:20 +0200 |
| commit | 7cfd33d997a4c320b6bbce5e9592230dae1e73d2 (patch) | |
| tree | 49a416b7affa56bcc87eccb0b72dc1bf8165cd37 /drivers/power | |
| parent | 580665279fb6a16eb119ec80a5be1b3ec7a641a0 (diff) | |
| download | linux-7cfd33d997a4c320b6bbce5e9592230dae1e73d2.tar.bz2 | |
power: supply: sc27xx: Add POWER_SUPPLY_PROP_CALIBRATE attribute
Add the 'POWER_SUPPLY_PROP_CALIBRATE' attribute to allow chareger manager
to calibrate the battery capacity.
Signed-off-by: Yuanjiang Yu <yuanjiang.yu@unisoc.com>
Signed-off-by: Baolin Wang <baolin.wang@linaro.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Diffstat (limited to 'drivers/power')
| -rw-r--r-- | drivers/power/supply/sc27xx_fuel_gauge.c | 27 |
1 files changed, 19 insertions, 8 deletions
diff --git a/drivers/power/supply/sc27xx_fuel_gauge.c b/drivers/power/supply/sc27xx_fuel_gauge.c index 6071671caaa9..bc8f5bda5762 100644 --- a/drivers/power/supply/sc27xx_fuel_gauge.c +++ b/drivers/power/supply/sc27xx_fuel_gauge.c @@ -111,6 +111,7 @@ struct sc27xx_fgu_data { static int sc27xx_fgu_cap_to_clbcnt(struct sc27xx_fgu_data *data, int capacity); static void sc27xx_fgu_capacity_calibration(struct sc27xx_fgu_data *data, int cap, bool int_mode); +static void sc27xx_fgu_adjust_cap(struct sc27xx_fgu_data *data, int cap); static const char * const sc27xx_charger_supply_name[] = { "sc2731_charger", @@ -610,17 +611,25 @@ static int sc27xx_fgu_set_property(struct power_supply *psy, struct sc27xx_fgu_data *data = power_supply_get_drvdata(psy); int ret; - if (psp != POWER_SUPPLY_PROP_CAPACITY) - return -EINVAL; - mutex_lock(&data->lock); - ret = sc27xx_fgu_save_last_cap(data, val->intval); + switch (psp) { + case POWER_SUPPLY_PROP_CAPACITY: + ret = sc27xx_fgu_save_last_cap(data, val->intval); + if (ret < 0) + dev_err(data->dev, "failed to save battery capacity\n"); + break; - mutex_unlock(&data->lock); + case POWER_SUPPLY_PROP_CALIBRATE: + sc27xx_fgu_adjust_cap(data, val->intval); + ret = 0; + break; - if (ret < 0) - dev_err(data->dev, "failed to save battery capacity\n"); + default: + ret = -EINVAL; + } + + mutex_unlock(&data->lock); return ret; } @@ -635,7 +644,8 @@ static void sc27xx_fgu_external_power_changed(struct power_supply *psy) static int sc27xx_fgu_property_is_writeable(struct power_supply *psy, enum power_supply_property psp) { - return psp == POWER_SUPPLY_PROP_CAPACITY; + return psp == POWER_SUPPLY_PROP_CAPACITY || + psp == POWER_SUPPLY_PROP_CALIBRATE; } static enum power_supply_property sc27xx_fgu_props[] = { @@ -651,6 +661,7 @@ static enum power_supply_property sc27xx_fgu_props[] = { POWER_SUPPLY_PROP_CURRENT_AVG, POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE, POWER_SUPPLY_PROP_ENERGY_FULL_DESIGN, + POWER_SUPPLY_PROP_CALIBRATE, }; static const struct power_supply_desc sc27xx_fgu_desc = { |