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Commit 1b2e4c43 authored by Anirudh Ghayal's avatar Anirudh Ghayal
Browse files

power: smb1398-charger: Toggle UVLO for Slave CP on USB removal 



In addition to the master CP, toggle the UVLO config for slave CP
on USB removal to avoid poweroff-leakage.

Change-Id: I1f5d5185d003cfe104b4a67efc1fe88f105f0151
Signed-off-by: default avatarAnirudh Ghayal <aghayal@codeaurora.org>
parent b43d06a6

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

+13 −1
Original line number Diff line number Diff line 
// SPDX-License-Identifier: GPL-2.0-only

/*

 * Copyright (c) 2020 The Linux Foundation. All rights reserved.

 * Copyright (c) 2020-2021 The Linux Foundation. All rights reserved.

 */



#define pr_fmt(fmt) "SMB1398: %s: " fmt, __func__
@@ -1715,6 +1715,10 @@ static void smb1398_status_change_work(struct work_struct *work) 
		chip->usb_present = !!pval.intval;

		if (!chip->usb_present) /* USB has been removed */

			smb1398_toggle_uvlo(chip);

		pval.intval = 1;

		if (is_cps_available(chip))

			power_supply_set_property(chip->div2_cp_slave_psy,

				POWER_SUPPLY_PROP_CP_TOGGLE_SWITCHER, &pval);

	}



	rc = power_supply_get_property(chip->usb_psy,
@@ -2274,6 +2278,7 @@ static enum power_supply_property div2_cp_slave_props[] = { 
	POWER_SUPPLY_PROP_CP_ENABLE,

	POWER_SUPPLY_PROP_INPUT_CURRENT_MAX,

	POWER_SUPPLY_PROP_CURRENT_CAPABILITY,

	POWER_SUPPLY_PROP_CP_TOGGLE_SWITCHER,

};



static int div2_cp_slave_get_prop(struct power_supply *psy,
@@ -2297,6 +2302,9 @@ static int div2_cp_slave_get_prop(struct power_supply *psy, 
	case POWER_SUPPLY_PROP_CURRENT_CAPABILITY:

		pval->intval = (int)chip->current_capability;

		break;

	case POWER_SUPPLY_PROP_CP_TOGGLE_SWITCHER:

		pval->intval = 0;

		break;

	default:

		dev_err(chip->dev, "read div2_cp_slave property %d is not supported\n",

				prop);
@@ -2329,6 +2337,10 @@ static int div2_cp_slave_set_prop(struct power_supply *psy, 
			return rc;

		chip->current_capability = mode;

		break;

	case POWER_SUPPLY_PROP_CP_TOGGLE_SWITCHER:

		/* use this case to toggle UVLO */

		rc = smb1398_toggle_uvlo(chip);

		break;

	default:

		dev_err(chip->dev, "write div2_cp_slave property %d is not supported\n",

				prop);