linux/drivers/power/supply/lego_ev3_battery.c

/*
 * Battery driver for LEGO MINDSTORMS EV3
 *
 * Copyright (C) 2017 David Lechner <[email protected]>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.

 * This program is distributed "as is" WITHOUT ANY WARRANTY of any
 * kind, whether express or implied; without even the implied warranty
 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 */

#include <linux/delay.h>
#include <linux/err.h>
#include <linux/gpio/consumer.h>
#include <linux/iio/consumer.h>
#include <linux/iio/types.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/mod_devicetable.h>
#include <linux/platform_device.h>
#include <linux/power_supply.h>

struct lego_ev3_battery { … };

static int lego_ev3_battery_get_property(struct power_supply *psy,
					 enum power_supply_property psp,
					 union power_supply_propval *val)
{ … }

static int lego_ev3_battery_set_property(struct power_supply *psy,
					 enum power_supply_property psp,
					 const union power_supply_propval *val)
{ … }

static int lego_ev3_battery_property_is_writeable(struct power_supply *psy,
						  enum power_supply_property psp)
{ … }

static enum power_supply_property lego_ev3_battery_props[] = …;

static const struct power_supply_desc lego_ev3_battery_desc = …;

static int lego_ev3_battery_probe(struct platform_device *pdev)
{ … }

static const struct of_device_id of_lego_ev3_battery_match[] = …;
MODULE_DEVICE_TABLE(of, of_lego_ev3_battery_match);

static struct platform_driver lego_ev3_battery_driver = …;
module_platform_driver(…) …;

MODULE_LICENSE(…) …;
MODULE_AUTHOR(…) …;
MODULE_DESCRIPTION(…) …;