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Commit 1c121fc3 authored by Shilpa Suresh's avatar Shilpa Suresh Committed by Gerrit - the friendly Code Review server
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power: vm_bms: Release the wake-source after an OCV update 



The VBMS driver holds a wake-source for the userspace to pick
up the data for processing, this wake-source stays held for
500ms (timeout) which may stall a system suspend if the data
processing is complete.
Fix this by releasing the wake-source after the userspace has
written back OCV which indicates that processing is complete.

Change-Id: Id527881800407f5b7476b62dd86f805c00304689
Signed-off-by: default avatarShilpa Suresh <sbsure@codeaurora.org>
parent 4d6eb766

drivers/power/supply/qcom/qpnp-vm-bms.c

+2 −1
Original line number Diff line number Diff line 
/* Copyright (c) 2014-2016, 2018-2019, The Linux Foundation. All rights reserved.

/* Copyright (c) 2014-2016, 2018-2020, The Linux Foundation. All rights reserved.

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License version 2 and
@@ -2416,6 +2416,7 @@ static int qpnp_vm_bms_power_set_property(struct power_supply *psy, 
		pr_debug("IBATT = %d\n", val->intval);

		break;

	case POWER_SUPPLY_PROP_VOLTAGE_OCV:

		pm_relax(chip->dev);

		cancel_delayed_work_sync(&chip->monitor_soc_work);

		chip->last_ocv_uv = val->intval;

		pr_debug("OCV = %d\n", val->intval);