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Message-Id: <20230309225041.477440-9-sre@kernel.org>
Date: Thu, 9 Mar 2023 23:50:38 +0100
From: Sebastian Reichel <sre@...nel.org>
To: Sebastian Reichel <sre@...nel.org>
Cc: Linus Walleij <linus.walleij@...aro.org>,
Matti Vaittinen <mazziesaccount@...il.com>,
Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
linux-kernel@...r.kernel.org, linux-pm@...r.kernel.org,
devicetree@...r.kernel.org
Subject: [PATCHv1 08/11] power: supply: generic-adc-battery: use simple-battery API
Use standard simple-battery API for constant battery
information like min and max voltage. This simplifies
the driver a lot and brings automatic support for DT.
Signed-off-by: Sebastian Reichel <sre@...nel.org>
---
drivers/power/supply/generic-adc-battery.c | 65 ++--------------------
include/linux/power/generic-adc-battery.h | 18 ------
2 files changed, 5 insertions(+), 78 deletions(-)
delete mode 100644 include/linux/power/generic-adc-battery.h
diff --git a/drivers/power/supply/generic-adc-battery.c b/drivers/power/supply/generic-adc-battery.c
index 771e5cfc49c3..fc6fcfda1ef2 100644
--- a/drivers/power/supply/generic-adc-battery.c
+++ b/drivers/power/supply/generic-adc-battery.c
@@ -22,7 +22,6 @@
#include <linux/slab.h>
#include <linux/iio/consumer.h>
#include <linux/iio/types.h>
-#include <linux/power/generic-adc-battery.h>
#include <linux/devm-helpers.h>
#define JITTER_DEFAULT 10 /* hope 10ms is enough */
@@ -48,9 +47,7 @@ struct gab {
struct power_supply *psy;
struct power_supply_desc psy_desc;
struct iio_channel *channel[GAB_MAX_CHAN_TYPE];
- struct gab_platform_data *pdata;
struct delayed_work bat_work;
- int level;
int status;
bool cable_plugged;
struct gpio_desc *charge_finished;
@@ -70,14 +67,6 @@ static void gab_ext_power_changed(struct power_supply *psy)
static const enum power_supply_property gab_props[] = {
POWER_SUPPLY_PROP_STATUS,
- POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN,
- POWER_SUPPLY_PROP_CHARGE_EMPTY_DESIGN,
- POWER_SUPPLY_PROP_VOLTAGE_NOW,
- POWER_SUPPLY_PROP_CURRENT_NOW,
- POWER_SUPPLY_PROP_TECHNOLOGY,
- POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN,
- POWER_SUPPLY_PROP_VOLTAGE_MAX_DESIGN,
- POWER_SUPPLY_PROP_MODEL_NAME,
};
/*
@@ -97,17 +86,6 @@ static bool gab_charge_finished(struct gab *adc_bat)
return gpiod_get_value(adc_bat->charge_finished);
}
-static int gab_get_status(struct gab *adc_bat)
-{
- struct gab_platform_data *pdata = adc_bat->pdata;
- struct power_supply_info *bat_info;
-
- bat_info = &pdata->battery_info;
- if (adc_bat->level == bat_info->charge_full_design)
- return POWER_SUPPLY_STATUS_FULL;
- return adc_bat->status;
-}
-
static enum gab_chan_type gab_prop_to_chan(enum power_supply_property psp)
{
switch (psp) {
@@ -144,27 +122,12 @@ static int read_channel(struct gab *adc_bat, enum power_supply_property psp,
static int gab_get_property(struct power_supply *psy,
enum power_supply_property psp, union power_supply_propval *val)
{
- struct gab *adc_bat;
- struct gab_platform_data *pdata;
- struct power_supply_info *bat_info;
- int result = 0;
- int ret = 0;
-
- adc_bat = to_generic_bat(psy);
- if (!adc_bat) {
- dev_err(&psy->dev, "no battery infos ?!\n");
- return -EINVAL;
- }
- pdata = adc_bat->pdata;
- bat_info = &pdata->battery_info;
+ struct gab *adc_bat = to_generic_bat(psy);
switch (psp) {
case POWER_SUPPLY_PROP_STATUS:
- val->intval = gab_get_status(adc_bat);
- break;
- case POWER_SUPPLY_PROP_CHARGE_EMPTY_DESIGN:
- val->intval = 0;
- break;
+ val->intval = adc_bat->status;
+ return 0;
case POWER_SUPPLY_PROP_VOLTAGE_NOW:
case POWER_SUPPLY_PROP_CURRENT_NOW:
case POWER_SUPPLY_PROP_POWER_NOW:
@@ -173,26 +136,9 @@ static int gab_get_property(struct power_supply *psy,
goto err;
val->intval = result;
break;
- case POWER_SUPPLY_PROP_TECHNOLOGY:
- val->intval = bat_info->technology;
- break;
- case POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN:
- val->intval = bat_info->voltage_min_design;
- break;
- case POWER_SUPPLY_PROP_VOLTAGE_MAX_DESIGN:
- val->intval = bat_info->voltage_max_design;
- break;
- case POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN:
- val->intval = bat_info->charge_full_design;
- break;
- case POWER_SUPPLY_PROP_MODEL_NAME:
- val->strval = bat_info->name;
- break;
default:
return -EINVAL;
}
-err:
- return ret;
}
static void gab_work(struct work_struct *work)
@@ -235,7 +181,6 @@ static int gab_probe(struct platform_device *pdev)
struct gab *adc_bat;
struct power_supply_desc *psy_desc;
struct power_supply_config psy_cfg = {};
- struct gab_platform_data *pdata = pdev->dev.platform_data;
enum power_supply_property *properties;
int ret = 0;
int chan;
@@ -248,7 +193,7 @@ static int gab_probe(struct platform_device *pdev)
psy_cfg.drv_data = adc_bat;
psy_desc = &adc_bat->psy_desc;
- psy_desc->name = pdata->battery_info.name;
+ psy_desc->name = dev_name(&pdev->dev);
/* bootup default values for the battery */
adc_bat->cable_plugged = false;
@@ -256,7 +201,6 @@ static int gab_probe(struct platform_device *pdev)
psy_desc->type = POWER_SUPPLY_TYPE_BATTERY;
psy_desc->get_property = gab_get_property;
psy_desc->external_power_changed = gab_ext_power_changed;
- adc_bat->pdata = pdata;
/*
* copying the static properties and allocating extra memory for holding
@@ -309,6 +253,7 @@ static int gab_probe(struct platform_device *pdev)
*/
psy_desc->properties = properties;
psy_desc->num_properties = index;
+ psy_desc->expose_battery_info = true;
adc_bat->psy = devm_power_supply_register(&pdev->dev, psy_desc, &psy_cfg);
if (IS_ERR(adc_bat->psy))
diff --git a/include/linux/power/generic-adc-battery.h b/include/linux/power/generic-adc-battery.h
deleted file mode 100644
index 54434e4304d3..000000000000
--- a/include/linux/power/generic-adc-battery.h
+++ /dev/null
@@ -1,18 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-only */
-/*
- * Copyright (C) 2012, Anish Kumar <anish198519851985@...il.com>
- */
-
-#ifndef GENERIC_ADC_BATTERY_H
-#define GENERIC_ADC_BATTERY_H
-
-/**
- * struct gab_platform_data - platform_data for generic adc iio battery driver.
- * @battery_info: recommended structure to specify static power supply
- * parameters
- */
-struct gab_platform_data {
- struct power_supply_info battery_info;
-};
-
-#endif /* GENERIC_ADC_BATTERY_H */
--
2.39.2
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