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Commit 1b1a9ea9 authored by Sandeep Singh's avatar Sandeep Singh Committed by Gerrit - the friendly Code Review server
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wcnss: Update the vbatt threshold level 



Update the vbatt threshold value target wise. For pukeena
need vbatt monitoring threshold of 3.6V.

Change-Id: Ib564214616fa47faf1146ea7a3bb60b09f567a66
Signed-off-by: default avatarSandeep Singh <sandsing@codeaurora.org>
parent cf7d6825

Documentation/devicetree/bindings/wcnss/wcnss-wlan.txt

+1 −0
Original line number Diff line number Diff line
@@ -64,6 +64,7 @@ Power manager related parameter for LDO configuration. 
to use for VBATT feature.

- qcom,has-a2xb-split-reg: boolean flag to determine A2xb split timeout limit

register is available or not.

- qcom,vbatt-threshold: indicates update in vbatt threshold value.



Example:

drivers/soc/qcom/wcnss/wcnss_wlan.c

+24 −7
Original line number Diff line number Diff line 
/* Copyright (c) 2011-2018, The Linux Foundation. All rights reserved.

/* Copyright (c) 2011-2019, 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
@@ -451,6 +451,7 @@ static struct { 
	dev_t dev_ctrl, dev_node;

	struct class *node_class;

	struct cdev ctrl_dev, node_dev;

	bool update_vbatt_threshold;

} *penv = NULL;



static void *wcnss_ipc_log;
@@ -1974,14 +1975,22 @@ static void wcnss_notify_vbat(enum qpnp_tm_state state, void *ctx) 
		wcnss_log(DBG, "low voltage notification triggered\n");

		penv->vbat_monitor_params.state_request =

			ADC_TM_HIGH_THR_ENABLE;

		penv->vbat_monitor_params.high_thr = WCNSS_VBATT_THRESHOLD +

		WCNSS_VBATT_GUARD;

		if (penv->update_vbatt_threshold)

			penv->vbat_monitor_params.high_thr =

				WCNSS_VBATT_THRESHOLD_V1 + WCNSS_VBATT_GUARD;

		else

			penv->vbat_monitor_params.high_thr =

				WCNSS_VBATT_THRESHOLD + WCNSS_VBATT_GUARD;

		penv->vbat_monitor_params.low_thr = 0;

	} else if (state == ADC_TM_HIGH_STATE) {

		penv->vbat_monitor_params.state_request =

			ADC_TM_LOW_THR_ENABLE;

		penv->vbat_monitor_params.low_thr = WCNSS_VBATT_THRESHOLD -

		WCNSS_VBATT_GUARD;

		if (penv->update_vbatt_threshold)

			penv->vbat_monitor_params.low_thr =

				WCNSS_VBATT_THRESHOLD_V1 - WCNSS_VBATT_GUARD;

		else

			penv->vbat_monitor_params.low_thr =

				WCNSS_VBATT_THRESHOLD - WCNSS_VBATT_GUARD;

		penv->vbat_monitor_params.high_thr = 0;

		wcnss_log(DBG, "high voltage notification triggered\n");

	} else {
@@ -2014,8 +2023,13 @@ static int wcnss_setup_vbat_monitoring(void) 
		wcnss_log(ERR, "not setting up vbatt\n");

		return rc;

	}

	if (penv->update_vbatt_threshold) {

		penv->vbat_monitor_params.low_thr = WCNSS_VBATT_THRESHOLD_V1;

		penv->vbat_monitor_params.high_thr = WCNSS_VBATT_THRESHOLD_V1;

	} else {

		penv->vbat_monitor_params.low_thr = WCNSS_VBATT_THRESHOLD;

		penv->vbat_monitor_params.high_thr = WCNSS_VBATT_THRESHOLD;

	}

	penv->vbat_monitor_params.state_request = ADC_TM_HIGH_LOW_THR_ENABLE;



	if (penv->is_vsys_adc_channel)
@@ -2748,6 +2762,9 @@ wcnss_trigger_config(struct platform_device *pdev) 
	struct device_node *node = (&pdev->dev)->of_node;

	int has_pronto_hw = of_property_read_bool(node, "qcom,has-pronto-hw");



	penv->update_vbatt_threshold =

		of_property_read_bool(node, "qcom,vbatt-threshold");



	is_pronto_vadc = of_property_read_bool(node, "qcom,is-pronto-vadc");

	is_pronto_v3 = of_property_read_bool(node, "qcom,is-pronto-v3");

include/linux/wcnss_wlan.h

+2 −1
Original line number Diff line number Diff line 
/* Copyright (c) 2011-2018, The Linux Foundation. All rights reserved.

/* Copyright (c) 2011-2019, 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
@@ -71,6 +71,7 @@ enum wcnss_log_type { 
};



#define WCNSS_VBATT_THRESHOLD           3500000

#define WCNSS_VBATT_THRESHOLD_V1        3600000

#define WCNSS_VBATT_GUARD               20000

#define WCNSS_VBATT_HIGH                3700000

#define WCNSS_VBATT_LOW                 3300000