Lines Matching refs:led_cdev
33 struct led_classdev *led_cdev = dev_get_drvdata(dev); in brightness_show() local
36 mutex_lock(&led_cdev->led_access); in brightness_show()
37 led_update_brightness(led_cdev); in brightness_show()
38 brightness = led_cdev->brightness; in brightness_show()
39 mutex_unlock(&led_cdev->led_access); in brightness_show()
47 struct led_classdev *led_cdev = dev_get_drvdata(dev); in brightness_store() local
51 mutex_lock(&led_cdev->led_access); in brightness_store()
53 if (led_sysfs_is_disabled(led_cdev)) { in brightness_store()
63 led_trigger_remove(led_cdev); in brightness_store()
64 led_set_brightness(led_cdev, state); in brightness_store()
68 mutex_unlock(&led_cdev->led_access); in brightness_store()
76 struct led_classdev *led_cdev = dev_get_drvdata(dev); in max_brightness_show() local
79 mutex_lock(&led_cdev->led_access); in max_brightness_show()
80 max_brightness = led_cdev->max_brightness; in max_brightness_show()
81 mutex_unlock(&led_cdev->led_access); in max_brightness_show()
120 struct led_classdev *led_cdev = dev_get_drvdata(dev); in brightness_hw_changed_show() local
122 if (led_cdev->brightness_hw_changed == -1) in brightness_hw_changed_show()
125 return sprintf(buf, "%u\n", led_cdev->brightness_hw_changed); in brightness_hw_changed_show()
130 static int led_add_brightness_hw_changed(struct led_classdev *led_cdev) in led_add_brightness_hw_changed() argument
132 struct device *dev = led_cdev->dev; in led_add_brightness_hw_changed()
141 led_cdev->brightness_hw_changed_kn = in led_add_brightness_hw_changed()
143 if (!led_cdev->brightness_hw_changed_kn) { in led_add_brightness_hw_changed()
152 static void led_remove_brightness_hw_changed(struct led_classdev *led_cdev) in led_remove_brightness_hw_changed() argument
154 sysfs_put(led_cdev->brightness_hw_changed_kn); in led_remove_brightness_hw_changed()
155 device_remove_file(led_cdev->dev, &dev_attr_brightness_hw_changed); in led_remove_brightness_hw_changed()
158 void led_classdev_notify_brightness_hw_changed(struct led_classdev *led_cdev, unsigned int brightne… in led_classdev_notify_brightness_hw_changed() argument
160 if (WARN_ON(!led_cdev->brightness_hw_changed_kn)) in led_classdev_notify_brightness_hw_changed()
163 led_cdev->brightness_hw_changed = brightness; in led_classdev_notify_brightness_hw_changed()
164 sysfs_notify_dirent(led_cdev->brightness_hw_changed_kn); in led_classdev_notify_brightness_hw_changed()
168 static int led_add_brightness_hw_changed(struct led_classdev *led_cdev) in led_add_brightness_hw_changed() argument
172 static void led_remove_brightness_hw_changed(struct led_classdev *led_cdev) in led_remove_brightness_hw_changed() argument
181 void led_classdev_suspend(struct led_classdev *led_cdev) in led_classdev_suspend() argument
183 led_cdev->flags |= LED_SUSPENDED; in led_classdev_suspend()
184 led_set_brightness_nopm(led_cdev, 0); in led_classdev_suspend()
185 flush_work(&led_cdev->set_brightness_work); in led_classdev_suspend()
193 void led_classdev_resume(struct led_classdev *led_cdev) in led_classdev_resume() argument
195 led_set_brightness_nopm(led_cdev, led_cdev->brightness); in led_classdev_resume()
197 if (led_cdev->flash_resume) in led_classdev_resume()
198 led_cdev->flash_resume(led_cdev); in led_classdev_resume()
200 led_cdev->flags &= ~LED_SUSPENDED; in led_classdev_resume()
207 struct led_classdev *led_cdev = dev_get_drvdata(dev); in led_suspend() local
209 if (led_cdev->flags & LED_CORE_SUSPENDRESUME) in led_suspend()
210 led_classdev_suspend(led_cdev); in led_suspend()
217 struct led_classdev *led_cdev = dev_get_drvdata(dev); in led_resume() local
219 if (led_cdev->flags & LED_CORE_SUSPENDRESUME) in led_resume()
220 led_classdev_resume(led_cdev); in led_resume()
230 struct led_classdev *led_cdev; in led_module_get() local
235 led_cdev = dev_get_drvdata(led_dev); in led_module_get()
237 if (!try_module_get(led_cdev->dev->parent->driver->owner)) { in led_module_get()
238 put_device(led_cdev->dev); in led_module_get()
242 return led_cdev; in led_module_get()
278 void led_put(struct led_classdev *led_cdev) in led_put() argument
280 module_put(led_cdev->dev->parent->driver->owner); in led_put()
281 put_device(led_cdev->dev); in led_put()
472 struct led_classdev *led_cdev, in led_classdev_register_ext() argument
492 &led_cdev->default_trigger); in led_classdev_register_ext()
496 led_cdev->flags |= LED_RETAIN_AT_SHUTDOWN; in led_classdev_register_ext()
500 &led_cdev->max_brightness); in led_classdev_register_ext()
504 &led_cdev->color); in led_classdev_register_ext()
507 proposed_name = led_cdev->name; in led_classdev_register_ext()
513 else if (ret && led_cdev->flags & LED_REJECT_NAME_CONFLICT) in led_classdev_register_ext()
519 if (led_cdev->color >= LED_COLOR_ID_MAX) in led_classdev_register_ext()
522 mutex_init(&led_cdev->led_access); in led_classdev_register_ext()
523 mutex_lock(&led_cdev->led_access); in led_classdev_register_ext()
524 led_cdev->dev = device_create_with_groups(&leds_class, parent, 0, in led_classdev_register_ext()
525 led_cdev, led_cdev->groups, "%s", final_name); in led_classdev_register_ext()
526 if (IS_ERR(led_cdev->dev)) { in led_classdev_register_ext()
527 mutex_unlock(&led_cdev->led_access); in led_classdev_register_ext()
528 return PTR_ERR(led_cdev->dev); in led_classdev_register_ext()
531 device_set_node(led_cdev->dev, init_data->fwnode); in led_classdev_register_ext()
533 if (led_cdev->flags & LED_BRIGHT_HW_CHANGED) { in led_classdev_register_ext()
534 ret = led_add_brightness_hw_changed(led_cdev); in led_classdev_register_ext()
536 device_unregister(led_cdev->dev); in led_classdev_register_ext()
537 led_cdev->dev = NULL; in led_classdev_register_ext()
538 mutex_unlock(&led_cdev->led_access); in led_classdev_register_ext()
543 led_cdev->work_flags = 0; in led_classdev_register_ext()
545 init_rwsem(&led_cdev->trigger_lock); in led_classdev_register_ext()
548 led_cdev->brightness_hw_changed = -1; in led_classdev_register_ext()
552 list_add_tail(&led_cdev->node, &leds_list); in led_classdev_register_ext()
555 if (!led_cdev->max_brightness) in led_classdev_register_ext()
556 led_cdev->max_brightness = LED_FULL; in led_classdev_register_ext()
558 led_update_brightness(led_cdev); in led_classdev_register_ext()
560 led_cdev->wq = leds_wq; in led_classdev_register_ext()
562 led_init_core(led_cdev); in led_classdev_register_ext()
565 led_trigger_set_default(led_cdev); in led_classdev_register_ext()
568 mutex_unlock(&led_cdev->led_access); in led_classdev_register_ext()
571 led_cdev->name); in led_classdev_register_ext()
583 void led_classdev_unregister(struct led_classdev *led_cdev) in led_classdev_unregister() argument
585 if (IS_ERR_OR_NULL(led_cdev->dev)) in led_classdev_unregister()
589 down_write(&led_cdev->trigger_lock); in led_classdev_unregister()
590 if (led_cdev->trigger) in led_classdev_unregister()
591 led_trigger_set(led_cdev, NULL); in led_classdev_unregister()
592 up_write(&led_cdev->trigger_lock); in led_classdev_unregister()
595 led_cdev->flags |= LED_UNREGISTERING; in led_classdev_unregister()
598 led_stop_software_blink(led_cdev); in led_classdev_unregister()
600 if (!(led_cdev->flags & LED_RETAIN_AT_SHUTDOWN)) in led_classdev_unregister()
601 led_set_brightness(led_cdev, LED_OFF); in led_classdev_unregister()
603 flush_work(&led_cdev->set_brightness_work); in led_classdev_unregister()
605 if (led_cdev->flags & LED_BRIGHT_HW_CHANGED) in led_classdev_unregister()
606 led_remove_brightness_hw_changed(led_cdev); in led_classdev_unregister()
608 device_unregister(led_cdev->dev); in led_classdev_unregister()
611 list_del(&led_cdev->node); in led_classdev_unregister()
614 mutex_destroy(&led_cdev->led_access); in led_classdev_unregister()
631 struct led_classdev *led_cdev, in devm_led_classdev_register_ext() argument
641 rc = led_classdev_register_ext(parent, led_cdev, init_data); in devm_led_classdev_register_ext()
647 *dr = led_cdev; in devm_led_classdev_register_ext()
670 struct led_classdev *led_cdev) in devm_led_classdev_unregister() argument
674 devm_led_classdev_match, led_cdev)); in devm_led_classdev_unregister()