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power: supply: sc27xx: Add boot voltage support
Add new property to allow to get the voltage measured during boot time. Signed-off-by: Yuanjiang Yu <yuanjiang.yu@unisoc.com> Signed-off-by: Baolin Wang <baolin.wang7@gmail.com> Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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1 changed files with 8 additions and 0 deletions
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@ -84,6 +84,7 @@
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* @init_clbcnt: the initial coulomb counter
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* @init_clbcnt: the initial coulomb counter
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* @max_volt: the maximum constant input voltage in millivolt
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* @max_volt: the maximum constant input voltage in millivolt
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* @min_volt: the minimum drained battery voltage in microvolt
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* @min_volt: the minimum drained battery voltage in microvolt
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* @boot_volt: the voltage measured during boot in microvolt
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* @table_len: the capacity table length
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* @table_len: the capacity table length
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* @resist_table_len: the resistance table length
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* @resist_table_len: the resistance table length
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* @cur_1000ma_adc: ADC value corresponding to 1000 mA
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* @cur_1000ma_adc: ADC value corresponding to 1000 mA
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@ -109,6 +110,7 @@ struct sc27xx_fgu_data {
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int init_clbcnt;
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int init_clbcnt;
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int max_volt;
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int max_volt;
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int min_volt;
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int min_volt;
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int boot_volt;
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int table_len;
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int table_len;
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int resist_table_len;
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int resist_table_len;
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int cur_1000ma_adc;
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int cur_1000ma_adc;
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@ -321,6 +323,7 @@ static int sc27xx_fgu_get_boot_capacity(struct sc27xx_fgu_data *data, int *cap)
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volt = sc27xx_fgu_adc_to_voltage(data, volt);
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volt = sc27xx_fgu_adc_to_voltage(data, volt);
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ocv = volt * 1000 - oci * data->internal_resist;
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ocv = volt * 1000 - oci * data->internal_resist;
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data->boot_volt = ocv;
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/*
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/*
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* Parse the capacity table to look up the correct capacity percent
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* Parse the capacity table to look up the correct capacity percent
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@ -680,6 +683,10 @@ static int sc27xx_fgu_get_property(struct power_supply *psy,
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val->intval = value * 1000;
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val->intval = value * 1000;
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break;
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break;
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case POWER_SUPPLY_PROP_VOLTAGE_BOOT:
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val->intval = data->boot_volt;
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break;
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default:
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default:
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ret = -EINVAL;
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ret = -EINVAL;
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break;
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break;
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@ -750,6 +757,7 @@ static enum power_supply_property sc27xx_fgu_props[] = {
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POWER_SUPPLY_PROP_VOLTAGE_NOW,
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POWER_SUPPLY_PROP_VOLTAGE_NOW,
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POWER_SUPPLY_PROP_VOLTAGE_OCV,
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POWER_SUPPLY_PROP_VOLTAGE_OCV,
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POWER_SUPPLY_PROP_VOLTAGE_AVG,
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POWER_SUPPLY_PROP_VOLTAGE_AVG,
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POWER_SUPPLY_PROP_VOLTAGE_BOOT,
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POWER_SUPPLY_PROP_CURRENT_NOW,
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POWER_SUPPLY_PROP_CURRENT_NOW,
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POWER_SUPPLY_PROP_CURRENT_AVG,
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POWER_SUPPLY_PROP_CURRENT_AVG,
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POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE,
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POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE,
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