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Commit 80a8f967 authored by Anirudh Ghayal's avatar Anirudh Ghayal
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power: smb5-lib: Add additional check to exit charge-termination WA 



There is a possibility of the "real capacity" dropping post
termination due to a OCV update causing the charger-termination
WA to exit. Fix this by explicitly checking that we are not
in termination before exiting from the WA.

Change-Id: I5bf91367b633abf79cbc60ef5bdf93cca9559029
Signed-off-by: default avatarAnirudh Ghayal <aghayal@codeaurora.org>
parent 2c110e4d

drivers/power/supply/qcom/smb5-lib.c

+13 −3
Original line number Original line Diff line number Diff line
@@ -7476,6 +7476,7 @@ static void smblib_chg_termination_work(struct work_struct *work) 
						chg_termination_work);

						chg_termination_work);

	int rc, input_present, delay = CHG_TERM_WA_ENTRY_DELAY_MS;

	int rc, input_present, delay = CHG_TERM_WA_ENTRY_DELAY_MS;

	int vbat_now_uv, max_fv_uv;

	int vbat_now_uv, max_fv_uv;

	u8 stat = 0;





	/*

	/*

	 * Hold awake votable to prevent pm_relax being called prior to

	 * Hold awake votable to prevent pm_relax being called prior to
@@ -7490,9 +7491,18 @@ static void smblib_chg_termination_work(struct work_struct *work) 
	rc = smblib_get_prop_from_bms(chg,

	rc = smblib_get_prop_from_bms(chg,

				POWER_SUPPLY_PROP_REAL_CAPACITY, &pval);

				POWER_SUPPLY_PROP_REAL_CAPACITY, &pval);

	if ((rc < 0) || (pval.intval < 100)) {

	if ((rc < 0) || (pval.intval < 100)) {

		vote(chg->usb_icl_votable, CHG_TERMINATION_VOTER, false, 0);

		rc = smblib_read(chg, BATTERY_CHARGER_STATUS_1_REG, &stat);

		vote(chg->dc_suspend_votable, CHG_TERMINATION_VOTER, false, 0);

		if (rc < 0)

			goto out;

			goto out;



		/* check we are not in termination to exit the WA */

		if ((stat & BATTERY_CHARGER_STATUS_MASK) != TERMINATE_CHARGE) {

			vote(chg->usb_icl_votable,

				CHG_TERMINATION_VOTER, false, 0);

			vote(chg->dc_suspend_votable,

				CHG_TERMINATION_VOTER, false, 0);

			goto out;

		}

	}

	}





	/* Get the battery float voltage */

	/* Get the battery float voltage */