led-triggers: rename *trigger to *trig for unified naming scheme
authorBryan Wu <bryan.wu@canonical.com>
Thu, 19 Apr 2012 03:46:33 +0000 (11:46 +0800)
committerBryan Wu <bryan.wu@canonical.com>
Mon, 23 Jul 2012 23:52:33 +0000 (07:52 +0800)
No functional change.

Signed-off-by: Bryan Wu <bryan.wu@canonical.com>
drivers/leds/led-triggers.c

index 46b4c766335d06bca0d1ce9539a21a32503c9212..b449ed8d87124311f65a92156efec80612fd8a17 100644 (file)
@@ -99,7 +99,7 @@ ssize_t led_trigger_show(struct device *dev, struct device_attribute *attr,
 EXPORT_SYMBOL_GPL(led_trigger_show);
 
 /* Caller must ensure led_cdev->trigger_lock held */
-void led_trigger_set(struct led_classdev *led_cdev, struct led_trigger *trigger)
+void led_trigger_set(struct led_classdev *led_cdev, struct led_trigger *trig)
 {
        unsigned long flags;
 
@@ -114,13 +114,13 @@ void led_trigger_set(struct led_classdev *led_cdev, struct led_trigger *trigger)
                led_cdev->trigger = NULL;
                led_brightness_set(led_cdev, LED_OFF);
        }
-       if (trigger) {
-               write_lock_irqsave(&trigger->leddev_list_lock, flags);
-               list_add_tail(&led_cdev->trig_list, &trigger->led_cdevs);
-               write_unlock_irqrestore(&trigger->leddev_list_lock, flags);
-               led_cdev->trigger = trigger;
-               if (trigger->activate)
-                       trigger->activate(led_cdev);
+       if (trig) {
+               write_lock_irqsave(&trig->leddev_list_lock, flags);
+               list_add_tail(&led_cdev->trig_list, &trig->led_cdevs);
+               write_unlock_irqrestore(&trig->leddev_list_lock, flags);
+               led_cdev->trigger = trig;
+               if (trig->activate)
+                       trig->activate(led_cdev);
        }
 }
 EXPORT_SYMBOL_GPL(led_trigger_set);
@@ -153,24 +153,24 @@ EXPORT_SYMBOL_GPL(led_trigger_set_default);
 
 /* LED Trigger Interface */
 
-int led_trigger_register(struct led_trigger *trigger)
+int led_trigger_register(struct led_trigger *trig)
 {
        struct led_classdev *led_cdev;
-       struct led_trigger *trig;
+       struct led_trigger *_trig;
 
-       rwlock_init(&trigger->leddev_list_lock);
-       INIT_LIST_HEAD(&trigger->led_cdevs);
+       rwlock_init(&trig->leddev_list_lock);
+       INIT_LIST_HEAD(&trig->led_cdevs);
 
        down_write(&triggers_list_lock);
        /* Make sure the trigger's name isn't already in use */
-       list_for_each_entry(trig, &trigger_list, next_trig) {
-               if (!strcmp(trig->name, trigger->name)) {
+       list_for_each_entry(_trig, &trigger_list, next_trig) {
+               if (!strcmp(_trig->name, trig->name)) {
                        up_write(&triggers_list_lock);
                        return -EEXIST;
                }
        }
        /* Add to the list of led triggers */
-       list_add_tail(&trigger->next_trig, &trigger_list);
+       list_add_tail(&trig->next_trig, &trigger_list);
        up_write(&triggers_list_lock);
 
        /* Register with any LEDs that have this as a default trigger */
@@ -178,8 +178,8 @@ int led_trigger_register(struct led_trigger *trigger)
        list_for_each_entry(led_cdev, &leds_list, node) {
                down_write(&led_cdev->trigger_lock);
                if (!led_cdev->trigger && led_cdev->default_trigger &&
-                           !strcmp(led_cdev->default_trigger, trigger->name))
-                       led_trigger_set(led_cdev, trigger);
+                           !strcmp(led_cdev->default_trigger, trig->name))
+                       led_trigger_set(led_cdev, trig);
                up_write(&led_cdev->trigger_lock);
        }
        up_read(&leds_list_lock);
@@ -188,20 +188,20 @@ int led_trigger_register(struct led_trigger *trigger)
 }
 EXPORT_SYMBOL_GPL(led_trigger_register);
 
-void led_trigger_unregister(struct led_trigger *trigger)
+void led_trigger_unregister(struct led_trigger *trig)
 {
        struct led_classdev *led_cdev;
 
        /* Remove from the list of led triggers */
        down_write(&triggers_list_lock);
-       list_del(&trigger->next_trig);
+       list_del(&trig->next_trig);
        up_write(&triggers_list_lock);
 
        /* Remove anyone actively using this trigger */
        down_read(&leds_list_lock);
        list_for_each_entry(led_cdev, &leds_list, node) {
                down_write(&led_cdev->trigger_lock);
-               if (led_cdev->trigger == trigger)
+               if (led_cdev->trigger == trig)
                        led_trigger_set(led_cdev, NULL);
                up_write(&led_cdev->trigger_lock);
        }
@@ -211,58 +211,58 @@ EXPORT_SYMBOL_GPL(led_trigger_unregister);
 
 /* Simple LED Tigger Interface */
 
-void led_trigger_event(struct led_trigger *trigger,
+void led_trigger_event(struct led_trigger *trig,
                        enum led_brightness brightness)
 {
        struct list_head *entry;
 
-       if (!trigger)
+       if (!trig)
                return;
 
-       read_lock(&trigger->leddev_list_lock);
-       list_for_each(entry, &trigger->led_cdevs) {
+       read_lock(&trig->leddev_list_lock);
+       list_for_each(entry, &trig->led_cdevs) {
                struct led_classdev *led_cdev;
 
                led_cdev = list_entry(entry, struct led_classdev, trig_list);
                led_set_brightness(led_cdev, brightness);
        }
-       read_unlock(&trigger->leddev_list_lock);
+       read_unlock(&trig->leddev_list_lock);
 }
 EXPORT_SYMBOL_GPL(led_trigger_event);
 
-void led_trigger_blink(struct led_trigger *trigger,
+void led_trigger_blink(struct led_trigger *trig,
                       unsigned long *delay_on,
                       unsigned long *delay_off)
 {
        struct list_head *entry;
 
-       if (!trigger)
+       if (!trig)
                return;
 
-       read_lock(&trigger->leddev_list_lock);
-       list_for_each(entry, &trigger->led_cdevs) {
+       read_lock(&trig->leddev_list_lock);
+       list_for_each(entry, &trig->led_cdevs) {
                struct led_classdev *led_cdev;
 
                led_cdev = list_entry(entry, struct led_classdev, trig_list);
                led_blink_set(led_cdev, delay_on, delay_off);
        }
-       read_unlock(&trigger->leddev_list_lock);
+       read_unlock(&trig->leddev_list_lock);
 }
 EXPORT_SYMBOL_GPL(led_trigger_blink);
 
 void led_trigger_register_simple(const char *name, struct led_trigger **tp)
 {
-       struct led_trigger *trigger;
+       struct led_trigger *trig;
        int err;
 
-       trigger = kzalloc(sizeof(struct led_trigger), GFP_KERNEL);
+       trig = kzalloc(sizeof(struct led_trigger), GFP_KERNEL);
 
-       if (trigger) {
-               trigger->name = name;
-               err = led_trigger_register(trigger);
+       if (trig) {
+               trig->name = name;
+               err = led_trigger_register(trig);
                if (err < 0) {
-                       kfree(trigger);
-                       trigger = NULL;
+                       kfree(trig);
+                       trig = NULL;
                        printk(KERN_WARNING "LED trigger %s failed to register"
                                " (%d)\n", name, err);
                }
@@ -270,15 +270,15 @@ void led_trigger_register_simple(const char *name, struct led_trigger **tp)
                printk(KERN_WARNING "LED trigger %s failed to register"
                        " (no memory)\n", name);
 
-       *tp = trigger;
+       *tp = trig;
 }
 EXPORT_SYMBOL_GPL(led_trigger_register_simple);
 
-void led_trigger_unregister_simple(struct led_trigger *trigger)
+void led_trigger_unregister_simple(struct led_trigger *trig)
 {
-       if (trigger)
-               led_trigger_unregister(trigger);
-       kfree(trigger);
+       if (trig)
+               led_trigger_unregister(trig);
+       kfree(trig);
 }
 EXPORT_SYMBOL_GPL(led_trigger_unregister_simple);