zte's code,first commit
Change-Id: I9a04da59e459a9bc0d67f101f700d9d7dc8d681b
diff --git a/ap/os/linux/linux-3.4.x/drivers/leds/ledtrig-timer.c b/ap/os/linux/linux-3.4.x/drivers/leds/ledtrig-timer.c
new file mode 100644
index 0000000..7d8237a
--- /dev/null
+++ b/ap/os/linux/linux-3.4.x/drivers/leds/ledtrig-timer.c
@@ -0,0 +1,150 @@
+/*
+ * LED Kernel Timer Trigger
+ *
+ * Copyright 2005-2006 Openedhand Ltd.
+ *
+ * Author: Richard Purdie <rpurdie@openedhand.com>
+ *
+ * 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.
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/device.h>
+#include <linux/ctype.h>
+#include <linux/leds.h>
+#include "leds.h"
+
+static ssize_t led_delay_on_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct led_classdev *led_cdev = dev_get_drvdata(dev);
+
+ if(NULL==led_cdev)
+ return -EINVAL;
+ return sprintf(buf, "%lu\n", led_cdev->blink_delay_on);
+}
+
+static ssize_t led_delay_on_store(struct device *dev,
+ struct device_attribute *attr, const char *buf, size_t size)
+{
+ struct led_classdev *led_cdev = dev_get_drvdata(dev);
+ int ret = -EINVAL;
+ char *after;
+ unsigned long state = simple_strtoul(buf, &after, 10);
+ size_t count = after - buf;
+
+ if(NULL==led_cdev)
+ return -EINVAL;
+
+ if (isspace(*after))
+ count++;
+
+ if (count == size) {
+ led_blink_set(led_cdev, &state, &led_cdev->blink_delay_off);
+ led_cdev->blink_delay_on = state;
+ ret = count;
+ }
+
+ return ret;
+}
+
+static ssize_t led_delay_off_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct led_classdev *led_cdev = dev_get_drvdata(dev);
+
+ if(NULL==led_cdev)
+ return -EINVAL;
+
+ return sprintf(buf, "%lu\n", led_cdev->blink_delay_off);
+}
+
+static ssize_t led_delay_off_store(struct device *dev,
+ struct device_attribute *attr, const char *buf, size_t size)
+{
+ struct led_classdev *led_cdev = dev_get_drvdata(dev);
+ int ret = -EINVAL;
+ char *after;
+ unsigned long state = simple_strtoul(buf, &after, 10);
+ size_t count = after - buf;
+
+ if(!led_cdev)
+ return -EINVAL;
+
+ if (isspace(*after))
+ count++;
+
+ if (count == size) {
+ led_blink_set(led_cdev, &led_cdev->blink_delay_on, &state);
+ led_cdev->blink_delay_off = state;
+ ret = count;
+ }
+
+ return ret;
+}
+
+static DEVICE_ATTR(delay_on, 0644, led_delay_on_show, led_delay_on_store);
+static DEVICE_ATTR(delay_off, 0644, led_delay_off_show, led_delay_off_store);
+
+static void timer_trig_activate(struct led_classdev *led_cdev)
+{
+ int rc;
+
+ led_cdev->trigger_data = NULL;
+
+ rc = device_create_file(led_cdev->dev, &dev_attr_delay_on);
+ if (rc)
+ return;
+ rc = device_create_file(led_cdev->dev, &dev_attr_delay_off);
+ if (rc)
+ goto err_out_delayon;
+
+ led_blink_set(led_cdev, &led_cdev->blink_delay_on,
+ &led_cdev->blink_delay_off);
+
+ led_cdev->trigger_data = (void *)1;
+
+ return;
+
+err_out_delayon:
+ device_remove_file(led_cdev->dev, &dev_attr_delay_on);
+}
+
+static void timer_trig_deactivate(struct led_classdev *led_cdev)
+{
+ if (led_cdev->trigger_data) {
+ device_remove_file(led_cdev->dev, &dev_attr_delay_on);
+ device_remove_file(led_cdev->dev, &dev_attr_delay_off);
+ }
+
+ /* Stop blinking */
+ led_brightness_set(led_cdev, LED_OFF);
+}
+
+static struct led_trigger timer_led_trigger = {
+ .name = "timer",
+ .activate = timer_trig_activate,
+ .deactivate = timer_trig_deactivate,
+};
+
+static int __init timer_trig_init(void)
+{
+ return led_trigger_register(&timer_led_trigger);
+}
+
+static void __exit timer_trig_exit(void)
+{
+ led_trigger_unregister(&timer_led_trigger);
+}
+
+module_init(timer_trig_init);
+module_exit(timer_trig_exit);
+
+MODULE_AUTHOR("Richard Purdie <rpurdie@openedhand.com>");
+MODULE_DESCRIPTION("Timer LED trigger");
+MODULE_LICENSE("GPL");