diff options
author | Andy Green <andy@openmoko.com> | 2008-11-21 11:56:56 +0000 |
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committer | Andy Green <agreen@pads.home.warmcat.com> | 2008-11-21 11:56:56 +0000 |
commit | 5a19531acb12f5afcf022e3b670cbc59254fcb03 (patch) | |
tree | 7a3a381be8a43b727d05c88a6950595113b03c5d /drivers/misc/neo1973_pm_charging_led.c | |
parent | 6893346ca447ffb83d0f03462c38ff0b4fdbef3d (diff) |
move-neo1973-pm-stuff-to-drivers-misc.patch
Signed-off-by: Andy Green <andy@openmoko.com>
Diffstat (limited to 'drivers/misc/neo1973_pm_charging_led.c')
-rw-r--r-- | drivers/misc/neo1973_pm_charging_led.c | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/drivers/misc/neo1973_pm_charging_led.c b/drivers/misc/neo1973_pm_charging_led.c new file mode 100644 index 00000000000..9e104a56189 --- /dev/null +++ b/drivers/misc/neo1973_pm_charging_led.c @@ -0,0 +1,106 @@ +/* + * 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 |