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Commit 16c74e13 authored by Subbaraman Narayanamurthy's avatar Subbaraman Narayanamurthy
Browse files

power: qpnp-fg: Expose coulomb counter via charge_counter property 



Currently, charge_now property is exposing coulomb counter only
when the capacity learning is in progress. Expose it through
charge_counter property so that it can be used for profiling.

Change-Id: Id36060e5edaf134c13b62cf36cbdb3746e8d68d7
Signed-off-by: default avatarSubbaraman Narayanamurthy <subbaram@codeaurora.org>
parent d044c402

drivers/power/qpnp-fg.c

+26 −0
Original line number Diff line number Diff line
@@ -3459,6 +3459,28 @@ static int fg_get_cc_soc(struct fg_chip *chip, int *cc_soc) 
	return 0;

}



static int fg_get_current_cc(struct fg_chip *chip)

{

	int cc_soc, rc;

	int64_t current_capacity;



	if (!(chip->wa_flag & USE_CC_SOC_REG))

		return chip->learning_data.cc_uah;



	if (!chip->learning_data.learned_cc_uah)

		return -EINVAL;



	rc = fg_get_cc_soc(chip, &cc_soc);

	if (rc < 0) {

		pr_err("Failed to get cc_soc, rc=%d\n", rc);

		return rc;

	}



	current_capacity = cc_soc * chip->learning_data.learned_cc_uah;

	do_div(current_capacity, FULL_PERCENT_28BIT);

	return current_capacity;

}



#define BATT_MISSING_STS BIT(6)

static bool is_battery_missing(struct fg_chip *chip)

{
@@ -4434,6 +4456,7 @@ static enum power_supply_property fg_power_props[] = { 
	POWER_SUPPLY_PROP_VOLTAGE_NOW,

	POWER_SUPPLY_PROP_VOLTAGE_OCV,

	POWER_SUPPLY_PROP_VOLTAGE_MAX_DESIGN,

	POWER_SUPPLY_PROP_CHARGE_COUNTER,

	POWER_SUPPLY_PROP_CHARGE_NOW,

	POWER_SUPPLY_PROP_CHARGE_NOW_RAW,

	POWER_SUPPLY_PROP_CHARGE_NOW_ERROR,
@@ -4540,6 +4563,9 @@ static int fg_power_get_property(struct power_supply *psy, 
	case POWER_SUPPLY_PROP_CHARGE_NOW_RAW:

		val->intval = get_sram_prop_now(chip, FG_DATA_CC_CHARGE);

		break;

	case POWER_SUPPLY_PROP_CHARGE_COUNTER:

		val->intval = fg_get_current_cc(chip);

		break;

	case POWER_SUPPLY_PROP_HI_POWER:

		val->intval = !!chip->bcl_lpm_disabled;

		break;