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Commit ca5d4dac authored by Ashish Chavan's avatar Ashish Chavan
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power: smb1398: Update default cp-min-icl to 1A for HVDCP3 



Update default cp-min-icl value to MAX(dt_min_icl, 1A) when charging
with HVDCP3.

Change-Id: I44c9fd306414ed052f88ccc45cc377a6bce1ae9c
Signed-off-by: default avatarAshish Chavan <ashichav@codeaurora.org>
parent 1526c9c6

drivers/power/supply/qcom/smb1398-charger.c

+28 −6
Original line number Diff line number Diff line
@@ -917,6 +917,24 @@ static int div2_cp_master_get_prop_suspended(struct smb1398_chip *chip, 
	return 0;

}



#define DEFAULT_HVDCP3_MIN_ICL_UA 1000000

static int smb1398_div2_cp_get_min_icl(struct smb1398_chip *chip)

{

	union power_supply_propval pval;

	int rc;



	/* Use max(dt_min_icl, 1A) for HVDCP3 */

	if (chip->usb_psy) {

		rc = power_supply_get_property(chip->usb_psy,

			POWER_SUPPLY_PROP_REAL_TYPE, &pval);

		if (rc >= 0 && (pval.intval == POWER_SUPPLY_TYPE_USB_HVDCP_3))

			return max(chip->div2_cp_min_ilim_ua,

				DEFAULT_HVDCP3_MIN_ICL_UA);

	}



	return chip->div2_cp_min_ilim_ua;

}



static int div2_cp_master_get_prop(struct power_supply *psy,

				enum power_supply_property prop,

				union power_supply_propval *val)
@@ -1017,7 +1035,7 @@ static int div2_cp_master_get_prop(struct power_supply *psy, 
		val->intval = chip->pl_output_mode;

		break;

	case POWER_SUPPLY_PROP_MIN_ICL:

		val->intval = chip->div2_cp_min_ilim_ua;

		val->intval = smb1398_div2_cp_get_min_icl(chip);

		break;

	default:

		rc = -EINVAL;
@@ -1316,7 +1334,7 @@ static int smb1398_div2_cp_ilim_vote_cb(struct votable *votable, 
{

	struct smb1398_chip *chip = (struct smb1398_chip *)data;

	union power_supply_propval pval = {0};

	int rc = 0, max_ilim_ua;

	int rc = 0, max_ilim_ua, min_ilim_ua;

	bool slave_dis, split_ilim = false;



	if (!is_psy_voter_available(chip) || chip->in_suspend)
@@ -1325,19 +1343,21 @@ static int smb1398_div2_cp_ilim_vote_cb(struct votable *votable, 
	if (!client)

		return -EINVAL;



	min_ilim_ua = smb1398_div2_cp_get_min_icl(chip);



	ilim_ua = (ilim_ua * DIV2_ILIM_CFG_PCT) / 100;



	max_ilim_ua = is_cps_available(chip) ?

		DIV2_MAX_ILIM_DUAL_CP_UA : DIV2_MAX_ILIM_UA;

	ilim_ua = min(ilim_ua, max_ilim_ua);

	if (ilim_ua < chip->div2_cp_min_ilim_ua) {

	if (ilim_ua < min_ilim_ua) {

		dev_dbg(chip->dev, "ilim %duA is too low to config CP charging\n",

				ilim_ua);

		vote(chip->div2_cp_disable_votable, ILIM_VOTER, true, 0);

	} else {

		if (is_cps_available(chip)) {

			split_ilim = true;

			slave_dis = ilim_ua < (2 * chip->div2_cp_min_ilim_ua);

			slave_dis = ilim_ua < (2 * min_ilim_ua);

			vote(chip->div2_cp_slave_disable_votable, ILIM_VOTER,

					slave_dis, 0);

			slave_dis = !!get_effective_result(
@@ -1764,7 +1784,7 @@ static void smb1398_taper_work(struct work_struct *work) 
	struct smb1398_chip *chip = container_of(work,

			struct smb1398_chip, taper_work);

	union power_supply_propval pval = {0};

	int rc, fcc_ua, fv_uv, stepper_ua, main_fcc_ua;

	int rc, fcc_ua, fv_uv, stepper_ua, main_fcc_ua, min_ilim_ua;

	bool slave_en;



	if (!is_psy_voter_available(chip))
@@ -1776,6 +1796,8 @@ static void smb1398_taper_work(struct work_struct *work) 
	if (chip->fcc_main_votable)

		main_fcc_ua = get_effective_result(chip->fcc_main_votable);



	min_ilim_ua = smb1398_div2_cp_get_min_icl(chip);



	chip->taper_entry_fv = get_effective_result(chip->fv_votable);

	while (true) {

		rc = power_supply_get_property(chip->batt_psy,
@@ -1811,7 +1833,7 @@ static void smb1398_taper_work(struct work_struct *work) 
			 * If total FCC is less than the minimum ILIM to

			 * keep CP master and slave online, disable CP.

			 */

			if (fcc_ua < (chip->div2_cp_min_ilim_ua * 2)) {

			if (fcc_ua < (min_ilim_ua * 2)) {

				vote(chip->div2_cp_disable_votable,

						TAPER_VOTER, true, 0);

				/*