diff options
Diffstat (limited to 'drivers/leds/ledtrig-timer.c')
-rw-r--r-- | drivers/leds/ledtrig-timer.c | 131 |
1 files changed, 0 insertions, 131 deletions
diff --git a/drivers/leds/ledtrig-timer.c b/drivers/leds/ledtrig-timer.c deleted file mode 100644 index f774d059220..00000000000 --- a/drivers/leds/ledtrig-timer.c +++ /dev/null @@ -1,131 +0,0 @@ -/* - * 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); - - 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); - unsigned long state; - ssize_t ret = -EINVAL; - - ret = kstrtoul(buf, 10, &state); - if (ret) - return ret; - - led_blink_set(led_cdev, &state, &led_cdev->blink_delay_off); - led_cdev->blink_delay_on = state; - - return size; -} - -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); - - 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); - unsigned long state; - ssize_t ret = -EINVAL; - - ret = kstrtoul(buf, 10, &state); - if (ret) - return ret; - - led_blink_set(led_cdev, &led_cdev->blink_delay_on, &state); - led_cdev->blink_delay_off = state; - - return size; -} - -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->activated = true; - - 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->activated) { - device_remove_file(led_cdev->dev, &dev_attr_delay_on); - device_remove_file(led_cdev->dev, &dev_attr_delay_off); - led_cdev->activated = false; - } - - /* Stop blinking */ - led_set_brightness(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"); |