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/*
* Charging LED sysfs for the FIC Neo1973 GSM Phone
* (currently only implemented in GTA02 but ready for GTA01 implementation)
*
* (C) 2008 by Openmoko Inc.
* Author: Andy Green <andy@openmoko.com>
* 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 charging_led 2 as
* published by the Free Software Foundation
*
*/
#include <linux/module.h>
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/platform_device.h>
#include <asm/hardware.h>
#include <asm/mach-types.h>
#ifdef CONFIG_MACH_NEO1973_GTA02
#include <asm/arch/gta02.h>
static enum neo1973_charging_led_modes charging_mode;
static char *charging_led_mode_names[] = {
"Disabled",
"Aux LED",
"Power LED"
};
static ssize_t charging_led_read(struct device *dev,
struct device_attribute *attr, char *buf)
{
return sprintf(buf, "0x%03X\n", gta02_get_pcb_revision());
}
static ssize_t charging_led_read(struct device *dev,
struct device_attribute *attr, char *buf)
{
return sprintf(buf, "0x%03X\n", gta02_get_pcb_revision());
}
static DEVICE_ATTR(pcb, 0644, charging_led_read, charging_led_write);
static struct attribute *neo1973_charging_led_sysfs_entries[] = {
&dev_attr_pcb.attr,
NULL
};
static struct attribute_group neo1973_charging_led_attr_group = {
.name = NULL,
.attrs = neo1973_charging_led_sysfs_entries,
};
static int __init neo1973_charging_led_probe(struct platform_device *pdev)
{
dev_info(&pdev->dev, "starting\n");
switch (machine_arch_type) {
#ifdef CONFIG_MACH_NEO1973_GTA01
case MACH_TYPE_NEO1973_GTA01:
return -EINVAL;
#endif /* CONFIG_MACH_NEO1973_GTA01 */
default:
break;
}
return sysfs_create_group(&pdev->dev.kobj,
&neo1973_charging_led_attr_group);
}
static int neo1973_charging_led_remove(struct platform_device *pdev)
{
sysfs_remove_group(&pdev->dev.kobj, &neo1973_charging_led_attr_group);
return 0;
}
static struct platform_driver neo1973_charging_led_driver = {
.probe = neo1973_charging_led_probe,
.remove = neo1973_charging_led_remove,
.driver = {
.name = "neo1973-charging-led",
},
};
static int __devinit neo1973_charging_led_init(void)
{
return platform_driver_register(&neo1973_charging_led_driver);
}
static void neo1973_charging_led_exit(void)
{
platform_driver_unregister(&neo1973_charging_led_driver);
}
module_init(neo1973_charging_led_init);
module_exit(neo1973_charging_led_exit);
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Andy Green <andy@openmoko.com>");
MODULE_DESCRIPTION("Neo1973 PCB charging_led");
#endif
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