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@@ -29,6 +29,8 @@
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static DECLARE_RWSEM(triggers_list_lock);
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static LIST_HEAD(trigger_list);
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+ /* Used by LED Class */
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+
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ssize_t led_trigger_store(struct device *dev, struct device_attribute *attr,
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const char *buf, size_t count)
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{
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@@ -64,7 +66,7 @@ ssize_t led_trigger_store(struct device *dev, struct device_attribute *attr,
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return -EINVAL;
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}
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-
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+EXPORT_SYMBOL_GPL(led_trigger_store);
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ssize_t led_trigger_show(struct device *dev, struct device_attribute *attr,
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char *buf)
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@@ -94,24 +96,7 @@ ssize_t led_trigger_show(struct device *dev, struct device_attribute *attr,
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len += sprintf(len+buf, "\n");
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return len;
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}
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-
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-void led_trigger_event(struct led_trigger *trigger,
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- enum led_brightness brightness)
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-{
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- struct list_head *entry;
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-
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- if (!trigger)
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- return;
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-
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- read_lock(&trigger->leddev_list_lock);
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- list_for_each(entry, &trigger->led_cdevs) {
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- struct led_classdev *led_cdev;
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-
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- led_cdev = list_entry(entry, struct led_classdev, trig_list);
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- led_set_brightness(led_cdev, brightness);
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- }
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- read_unlock(&trigger->leddev_list_lock);
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-}
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+EXPORT_SYMBOL_GPL(led_trigger_show);
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/* Caller must ensure led_cdev->trigger_lock held */
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void led_trigger_set(struct led_classdev *led_cdev, struct led_trigger *trigger)
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@@ -122,7 +107,8 @@ void led_trigger_set(struct led_classdev *led_cdev, struct led_trigger *trigger)
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if (led_cdev->trigger) {
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write_lock_irqsave(&led_cdev->trigger->leddev_list_lock, flags);
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list_del(&led_cdev->trig_list);
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- write_unlock_irqrestore(&led_cdev->trigger->leddev_list_lock, flags);
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+ write_unlock_irqrestore(&led_cdev->trigger->leddev_list_lock,
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+ flags);
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if (led_cdev->trigger->deactivate)
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led_cdev->trigger->deactivate(led_cdev);
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led_set_brightness(led_cdev, LED_OFF);
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@@ -136,6 +122,7 @@ void led_trigger_set(struct led_classdev *led_cdev, struct led_trigger *trigger)
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}
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led_cdev->trigger = trigger;
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}
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+EXPORT_SYMBOL_GPL(led_trigger_set);
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void led_trigger_remove(struct led_classdev *led_cdev)
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{
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@@ -143,6 +130,7 @@ void led_trigger_remove(struct led_classdev *led_cdev)
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led_trigger_set(led_cdev, NULL);
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up_write(&led_cdev->trigger_lock);
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}
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+EXPORT_SYMBOL_GPL(led_trigger_remove);
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void led_trigger_set_default(struct led_classdev *led_cdev)
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{
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@@ -160,6 +148,9 @@ void led_trigger_set_default(struct led_classdev *led_cdev)
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up_write(&led_cdev->trigger_lock);
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up_read(&triggers_list_lock);
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}
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+EXPORT_SYMBOL_GPL(led_trigger_set_default);
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+
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+/* LED Trigger Interface */
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int led_trigger_register(struct led_trigger *trigger)
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{
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@@ -186,26 +177,7 @@ int led_trigger_register(struct led_trigger *trigger)
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return 0;
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}
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-
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-void led_trigger_register_simple(const char *name, struct led_trigger **tp)
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-{
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- struct led_trigger *trigger;
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- int err;
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-
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- trigger = kzalloc(sizeof(struct led_trigger), GFP_KERNEL);
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-
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- if (trigger) {
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- trigger->name = name;
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- err = led_trigger_register(trigger);
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- if (err < 0)
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- printk(KERN_WARNING "LED trigger %s failed to register"
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- " (%d)\n", name, err);
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- } else
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- printk(KERN_WARNING "LED trigger %s failed to register"
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- " (no memory)\n", name);
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-
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- *tp = trigger;
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-}
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+EXPORT_SYMBOL_GPL(led_trigger_register);
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void led_trigger_unregister(struct led_trigger *trigger)
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{
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@@ -226,29 +198,57 @@ void led_trigger_unregister(struct led_trigger *trigger)
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}
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up_read(&leds_list_lock);
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}
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+EXPORT_SYMBOL_GPL(led_trigger_unregister);
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-void led_trigger_unregister_simple(struct led_trigger *trigger)
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+/* Simple LED Tigger Interface */
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+
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+void led_trigger_event(struct led_trigger *trigger,
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+ enum led_brightness brightness)
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{
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- if (trigger)
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- led_trigger_unregister(trigger);
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- kfree(trigger);
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+ struct list_head *entry;
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+
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+ if (!trigger)
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+ return;
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+
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+ read_lock(&trigger->leddev_list_lock);
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+ list_for_each(entry, &trigger->led_cdevs) {
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+ struct led_classdev *led_cdev;
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+
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+ led_cdev = list_entry(entry, struct led_classdev, trig_list);
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+ led_set_brightness(led_cdev, brightness);
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+ }
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+ read_unlock(&trigger->leddev_list_lock);
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}
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+EXPORT_SYMBOL_GPL(led_trigger_event);
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-/* Used by LED Class */
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-EXPORT_SYMBOL_GPL(led_trigger_set);
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-EXPORT_SYMBOL_GPL(led_trigger_remove);
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-EXPORT_SYMBOL_GPL(led_trigger_set_default);
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-EXPORT_SYMBOL_GPL(led_trigger_show);
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-EXPORT_SYMBOL_GPL(led_trigger_store);
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+void led_trigger_register_simple(const char *name, struct led_trigger **tp)
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+{
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+ struct led_trigger *trigger;
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+ int err;
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-/* LED Trigger Interface */
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-EXPORT_SYMBOL_GPL(led_trigger_register);
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-EXPORT_SYMBOL_GPL(led_trigger_unregister);
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+ trigger = kzalloc(sizeof(struct led_trigger), GFP_KERNEL);
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-/* Simple LED Tigger Interface */
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+ if (trigger) {
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+ trigger->name = name;
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+ err = led_trigger_register(trigger);
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+ if (err < 0)
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+ printk(KERN_WARNING "LED trigger %s failed to register"
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+ " (%d)\n", name, err);
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+ } else
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+ printk(KERN_WARNING "LED trigger %s failed to register"
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+ " (no memory)\n", name);
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+
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+ *tp = trigger;
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+}
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EXPORT_SYMBOL_GPL(led_trigger_register_simple);
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+
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+void led_trigger_unregister_simple(struct led_trigger *trigger)
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+{
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+ if (trigger)
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+ led_trigger_unregister(trigger);
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+ kfree(trigger);
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+}
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EXPORT_SYMBOL_GPL(led_trigger_unregister_simple);
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-EXPORT_SYMBOL_GPL(led_trigger_event);
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MODULE_AUTHOR("Richard Purdie");
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MODULE_LICENSE("GPL");
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