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Commit 92fefd88 authored by Harry Yang's avatar Harry Yang
Browse files

power: qpnp-smb5: Add VOLTAGE_VPH property 



Add VOLTAGE_VPH property in SMB5 driver to export vph voltage
to user space.

Change-Id: I1a6ce4f37b3a55401baadd819c232d8296e62fb2
Signed-off-by: default avatarHarry Yang <harryy@codeaurora.org>
parent 3c20c4fa

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

+5 −1
Original line number Diff line number Diff line 
/* Copyright (c) 2018 The Linux Foundation. All rights reserved.

/* Copyright (c) 2018-2019 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
@@ -642,6 +642,7 @@ static enum power_supply_property smb5_usb_props[] = { 
	POWER_SUPPLY_PROP_MOISTURE_DETECTED,

	POWER_SUPPLY_PROP_HVDCP_OPTI_ALLOWED,

	POWER_SUPPLY_PROP_QC_OPTI_DISABLE,

	POWER_SUPPLY_PROP_VOLTAGE_VPH,

};



static int smb5_usb_get_prop(struct power_supply *psy,
@@ -797,6 +798,9 @@ static int smb5_usb_get_prop(struct power_supply *psy, 
		if (chg->hw_connector_mitigation)

			val->intval |= POWER_SUPPLY_QC_CTM_DISABLE;

		break;

	case POWER_SUPPLY_PROP_VOLTAGE_VPH:

		rc = smblib_get_prop_vph_voltage_now(chg, val);

		break;

	default:

		pr_err("get prop %d is not supported in usb\n", psp);

		rc = -EINVAL;

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

+20 −5
Original line number Diff line number Diff line
@@ -3034,6 +3034,23 @@ int smblib_get_prop_usb_voltage_now(struct smb_charger *chg, 
		return smblib_read_usbin_voltage_chan(chg, val);

}



int smblib_get_prop_vph_voltage_now(struct smb_charger *chg,

				    union power_supply_propval *val)

{

	int rc;



	if (!chg->iio.vph_v_chan)

		return -ENODATA;



	rc = iio_read_channel_processed(chg->iio.vph_v_chan, &val->intval);

	if (rc < 0) {

		smblib_err(chg, "Couldn't read vph channel rc=%d\n", rc);

		return rc;

	}



	return 0;

}



bool smblib_rsbux_low(struct smb_charger *chg, int r_thr)

{

	int r_sbu1, r_sbu2;
@@ -5323,14 +5340,12 @@ irqreturn_t dc_plugin_irq_handler(int irq, void *data) 
	int rc, wireless_vout = 0;

	int sec_charger;



	rc = iio_read_channel_processed(chg->iio.vph_v_chan,

			&wireless_vout);

	rc = smblib_get_prop_vph_voltage_now(chg, &pval);

	if (rc < 0)

		return IRQ_HANDLED;



	wireless_vout *= 2;

	wireless_vout /= 100000;

	wireless_vout *= 100000;

	/* 2*VPH, with a granularity of 100mV */

	wireless_vout = ((pval.intval * 2) / 100000) * 100000;



	rc = smblib_is_input_present(chg, &input_present);

	if (rc < 0)

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

+3 −1
Original line number Diff line number Diff line 
/* Copyright (c) 2018 The Linux Foundation. All rights reserved.

/* Copyright (c) 2018-2019 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
@@ -666,6 +666,8 @@ int smblib_get_prop_charger_temp(struct smb_charger *chg, 
				union power_supply_propval *val);

int smblib_get_prop_die_health(struct smb_charger *chg);

int smblib_get_prop_connector_health(struct smb_charger *chg);

int smblib_get_prop_vph_voltage_now(struct smb_charger *chg,

				union power_supply_propval *val);

int smblib_set_prop_pd_current_max(struct smb_charger *chg,

				const union power_supply_propval *val);

int smblib_set_prop_sdp_current_max(struct smb_charger *chg,