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path: root/drivers/misc/neo1973_pm_charging_led.c
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Diffstat (limited to 'drivers/misc/neo1973_pm_charging_led.c')
-rw-r--r--drivers/misc/neo1973_pm_charging_led.c106
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