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Commit c16382a8 authored by Anirudh Ghayal's avatar Anirudh Ghayal
Browse files

power: qpnp-qg: Report average battery-current 



Use the CURRENT_AVG power-supply property to report
average battery current.

Change-Id: I38c4dc78efde74ed790725fab7b0203c0be6a641
Signed-off-by: default avatarAnirudh Ghayal <aghayal@codeaurora.org>
parent 090c2c57

drivers/power/supply/qcom/qg-reg.h

+2 −1
Original line number Diff line number Diff line 
/* SPDX-License-Identifier: GPL-2.0 */

/*

 * Copyright (c) 2018-2019 The Linux Foundation. All rights reserved.

 * Copyright (c) 2018-2020 The Linux Foundation. All rights reserved.

 */



#ifndef __QG_REG_H__
@@ -90,6 +90,7 @@ 
#define QG_POST_ESR_I_DATA0_REG			0x7E



#define QG_S2_NORMAL_AVG_V_DATA0_REG		0x80

#define QG_S2_NORMAL_AVG_I_DATA0_REG		0x82



#define QG_V_ACCUM_DATA0_RT_REG			0x88

#define QG_I_ACCUM_DATA0_RT_REG			0x8B

drivers/power/supply/qcom/qg-util.c

+19 −1
Original line number Diff line number Diff line 
// SPDX-License-Identifier: GPL-2.0-only

/*

 * Copyright (c) 2018-2019 The Linux Foundation. All rights reserved.

 * Copyright (c) 2018-2020 The Linux Foundation. All rights reserved.

 */



#include <linux/alarmtimer.h>
@@ -437,3 +437,21 @@ int qg_get_vbat_avg(struct qpnp_qg *chip, int *vbat_uv) 


	return 0;

}



int qg_get_ibat_avg(struct qpnp_qg *chip, int *ibat_ua)

{

	int rc = 0;

	int last_ibat = 0;



	rc = qg_read(chip, chip->qg_base + QG_S2_NORMAL_AVG_I_DATA0_REG,

				(u8 *)&last_ibat, 2);

	if (rc < 0) {

		pr_err("Failed to read S2_NORMAL_AVG_I reg, rc=%d\n", rc);

		return rc;

	}



	last_ibat = sign_extend32(last_ibat, 15);

	*ibat_ua = qg_iraw_to_ua(chip, last_ibat);



	return 0;

}

drivers/power/supply/qcom/qg-util.h

+2 −1
Original line number Diff line number Diff line 
/* SPDX-License-Identifier: GPL-2.0 */

/*

 * Copyright (c) 2018-2019 The Linux Foundation. All rights reserved.

 * Copyright (c) 2018-2020 The Linux Foundation. All rights reserved.

 */



#ifndef __QG_UTIL_H__
@@ -25,5 +25,6 @@ int qg_get_battery_current(struct qpnp_qg *chip, int *ibat_ua); 
int qg_get_battery_voltage(struct qpnp_qg *chip, int *vbat_uv);

int qg_get_vbat_avg(struct qpnp_qg *chip, int *vbat_uv);

s64 qg_iraw_to_ua(struct qpnp_qg *chip, int iraw);

int qg_get_ibat_avg(struct qpnp_qg *chip, int *ibat_ua);



#endif

drivers/power/supply/qcom/qpnp-qg.c

+5 −1
Original line number Diff line number Diff line 
// SPDX-License-Identifier: GPL-2.0-only

/*

 * Copyright (c) 2018-2019 The Linux Foundation. All rights reserved.

 * Copyright (c) 2018-2020 The Linux Foundation. All rights reserved.

 */



#define pr_fmt(fmt)	"QG-K: %s: " fmt, __func__
@@ -2202,6 +2202,9 @@ static int qg_psy_get_property(struct power_supply *psy, 
	case POWER_SUPPLY_PROP_VOLTAGE_AVG:

		rc = qg_get_vbat_avg(chip, &pval->intval);

		break;

	case POWER_SUPPLY_PROP_CURRENT_AVG:

		rc = qg_get_ibat_avg(chip, &pval->intval);

		break;

	case POWER_SUPPLY_PROP_POWER_NOW:

		rc = qg_get_power(chip, &pval->intval, false);

		break;
@@ -2271,6 +2274,7 @@ static enum power_supply_property qg_psy_props[] = { 
	POWER_SUPPLY_PROP_CC_SOC,

	POWER_SUPPLY_PROP_FG_RESET,

	POWER_SUPPLY_PROP_VOLTAGE_AVG,

	POWER_SUPPLY_PROP_CURRENT_AVG,

	POWER_SUPPLY_PROP_POWER_AVG,

	POWER_SUPPLY_PROP_POWER_NOW,

	POWER_SUPPLY_PROP_SCALE_MODE_EN,