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/*
* mp2625_charger.c - WonderMedia Charger Driver.
*
* Copyright (C) 2013 WonderMedia Technologies, Inc.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <linux/gpio.h>
#include <mach/wmt_iomux.h>
#include <mach/wmt_env.h>
#include <linux/power/wmt_battery.h>
extern void mp2625_pc_connected(void);
extern void g2214_pc_connected(void);
void wmt_do_pc_connected(void)
{
mp2625_pc_connected();
g2214_pc_connected();
}
static struct {
int led_power;
int led_gpio_level;
} charger_led;
void led_power_enable(int enable)
{
if (gpio_is_valid(charger_led.led_power)) {
if (enable)
gpio_direction_output(charger_led.led_power,
charger_led.led_gpio_level);
else
gpio_direction_output(charger_led.led_power,
!charger_led.led_gpio_level);
}
}
int parse_charger_led(void)
{
static const char uboot_env[] = "wmt.charger.led";
char buf[64];
size_t l = sizeof(buf);
int id;
if (wmt_getsyspara((char *)uboot_env, buf, &l) ||
(sscanf(buf, "%d:%d:%d", &id,
&charger_led.led_power, &charger_led.led_gpio_level) != 3) ||
id != 0 || !gpio_is_valid(charger_led.led_power) ||
gpio_request(charger_led.led_power, "led power")) {
charger_led.led_power = -1;
return -EINVAL;
}
led_power_enable(0);
return 0;
}
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