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Commit b3a9d317 authored by Xiaozhe Shi's avatar Xiaozhe Shi
Browse files

power: smb1351: report real fastchg current 



Report the real set fast charge current through the power supply
framework in order to allow the primary charge to better optimize
current distributions.

CRs-Fixed: 930588
Change-Id: Ia0bbcfb91482bd47bab01e5fdaf29e5ea55d7b97
Signed-off-by: default avatarXiaozhe Shi <xiaozhes@codeaurora.org>
parent cca4a347

drivers/power/smb1351-charger.c

+17 −10
Original line number Diff line number Diff line
@@ -439,6 +439,7 @@ struct smb1351_charger { 


	int			charging_disabled_status;

	int			usb_suspended_status;

	int			target_fastchg_current_max_ma;

	int			fastchg_current_max_ma;

	int			workaround_flags;
@@ -636,6 +637,9 @@ static int smb1351_fastchg_current_set(struct smb1351_charger *chip, 
		}

		if (i < 0)

			i = 0;

		chip->fastchg_current_max_ma = pre_chg_current[i];

		pr_debug("prechg setting %02x\n", i);



		if (i == 0)

			i = 0x7 << SMB1351_CHG_PRE_SHIFT;

		else if (i == 1)
@@ -643,13 +647,12 @@ static int smb1351_fastchg_current_set(struct smb1351_charger *chip, 
		else

			i = (i - 2) << SMB1351_CHG_PRE_SHIFT;



		pr_debug("prechg setting %02x\n", i);



		rc = smb1351_masked_write(chip, CHG_OTH_CURRENT_CTRL_REG,

				PRECHG_CURRENT_MASK, i);

		if (rc)

			pr_err("Couldn't write CHG_OTH_CURRENT_CTRL_REG rc=%d\n",

									rc);



		return smb1351_masked_write(chip, VARIOUS_FUNC_2_REG,

				PRECHG_TO_FASTCHG_BIT, PRECHG_TO_FASTCHG_BIT);

	} else {
@@ -660,6 +663,8 @@ static int smb1351_fastchg_current_set(struct smb1351_charger *chip, 
		}

		if (i < 0)

			i = 0;

		chip->fastchg_current_max_ma = fast_chg_current[i];



		i = i << SMB1351_CHG_FAST_SHIFT;

		pr_debug("fastchg limit=%d setting %02x\n",

					chip->fastchg_current_max_ma, i);
@@ -898,7 +903,8 @@ static int smb1351_hw_init(struct smb1351_charger *chip) 
		}

	}

	/* set the fast charge current limit */

	rc = smb1351_fastchg_current_set(chip, chip->fastchg_current_max_ma);

	rc = smb1351_fastchg_current_set(chip,

			chip->target_fastchg_current_max_ma);

	if (rc) {

		pr_err("Couldn't set fastchg current rc=%d\n", rc);

		return rc;
@@ -1439,9 +1445,9 @@ static int smb1351_parallel_set_chg_present(struct smb1351_charger *chip, 
		}



		/* set fast charging current limit */

		chip->fastchg_current_max_ma = SMB1351_CHG_FAST_MIN_MA;

		chip->target_fastchg_current_max_ma = SMB1351_CHG_FAST_MIN_MA;

		rc = smb1351_fastchg_current_set(chip,

						chip->fastchg_current_max_ma);

					chip->target_fastchg_current_max_ma);

		if (rc) {

			pr_err("Couldn't set fastchg current rc=%d\n", rc);

			return rc;
@@ -1502,9 +1508,10 @@ static int smb1351_parallel_set_property(struct power_supply *psy, 
		break;

	case POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT_MAX:

		if (chip->parallel_charger_present) {

			chip->fastchg_current_max_ma = val->intval / 1000;

			chip->target_fastchg_current_max_ma =

						val->intval / 1000;

			rc = smb1351_fastchg_current_set(chip,

						chip->fastchg_current_max_ma);

					chip->target_fastchg_current_max_ma);

		}

		break;

	case POWER_SUPPLY_PROP_CURRENT_MAX:
@@ -1588,7 +1595,7 @@ static void smb1351_chg_set_appropriate_battery_current( 
				struct smb1351_charger *chip)

{

	int rc;

	unsigned int current_max = chip->fastchg_current_max_ma;

	unsigned int current_max = chip->target_fastchg_current_max_ma;



	if (chip->batt_cool)

		current_max = min(current_max, chip->batt_cool_ma);
@@ -2596,9 +2603,9 @@ static int smb1351_parse_dt(struct smb1351_charger *chip) 
		chip->bms_psy_name = NULL;



	rc = of_property_read_u32(node, "qcom,fastchg-current-max-ma",

						&chip->fastchg_current_max_ma);

					&chip->target_fastchg_current_max_ma);

	if (rc)

		chip->fastchg_current_max_ma = SMB1351_CHG_FAST_MAX_MA;

		chip->target_fastchg_current_max_ma = SMB1351_CHG_FAST_MAX_MA;



	chip->iterm_disabled = of_property_read_bool(node,

					"qcom,iterm-disabled");