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Commit 6df085ce authored by David Keitel's avatar David Keitel
Browse files

power: qpnp-charger: check for reverse boost on probe 



The accidental reverse boost scenario may occur
before probe.

Fix this by checking the CHG_GONE interrupt status
on probe and running the ARB workaround if necessary.

Change-Id: I6ecc0d5796e7fdacdf61c62eeb14523061a51605
Signed-off-by: default avatarDavid Keitel <dkeitel@codeaurora.org>
parent 5caca646

drivers/power/qpnp-charger.c

+9 −1
Original line number Diff line number Diff line
@@ -1190,9 +1190,16 @@ static irqreturn_t 
qpnp_chg_usb_chg_gone_irq_handler(int irq, void *_chip)

{

	struct qpnp_chg_chip *chip = _chip;

	u8 usb_sts;

	int rc;



	rc = qpnp_chg_read(chip, &usb_sts,

			INT_RT_STS(chip->usb_chgpth_base), 1);

	if (rc)

		pr_err("failed to read usb_chgpth_sts rc=%d\n", rc);



	pr_debug("chg_gone triggered\n");

	if (qpnp_chg_is_usb_chg_plugged_in(chip)) {

	if (qpnp_chg_is_usb_chg_plugged_in(chip) && (usb_sts & CHG_GONE_IRQ)) {

		qpnp_chg_charge_en(chip, 0);

		qpnp_chg_force_run_on_batt(chip, 1);

		schedule_delayed_work(&chip->arb_stop_work,
@@ -4731,6 +4738,7 @@ qpnp_charger_probe(struct spmi_device *spmi) 
		goto unregister_dc_psy;

	}



	qpnp_chg_usb_chg_gone_irq_handler(chip->chg_gone.irq, chip);

	qpnp_chg_usb_usbin_valid_irq_handler(chip->usbin_valid.irq, chip);

	qpnp_chg_dc_dcin_valid_irq_handler(chip->dcin_valid.irq, chip);

	power_supply_set_present(chip->usb_psy,