Lines Matching refs:led_cdev
31 struct led_classdev *led_cdev = dev_get_drvdata(dev); in brightness_show() local
34 led_update_brightness(led_cdev); in brightness_show()
36 return sprintf(buf, "%u\n", led_cdev->brightness); in brightness_show()
42 struct led_classdev *led_cdev = dev_get_drvdata(dev); in brightness_store() local
46 mutex_lock(&led_cdev->led_access); in brightness_store()
48 if (led_sysfs_is_disabled(led_cdev)) { in brightness_store()
58 led_trigger_remove(led_cdev); in brightness_store()
59 led_set_brightness(led_cdev, state); in brightness_store()
60 flush_work(&led_cdev->set_brightness_work); in brightness_store()
64 mutex_unlock(&led_cdev->led_access); in brightness_store()
72 struct led_classdev *led_cdev = dev_get_drvdata(dev); in max_brightness_show() local
74 return sprintf(buf, "%u\n", led_cdev->max_brightness); in max_brightness_show()
111 struct led_classdev *led_cdev = dev_get_drvdata(dev); in brightness_hw_changed_show() local
113 if (led_cdev->brightness_hw_changed == -1) in brightness_hw_changed_show()
116 return sprintf(buf, "%u\n", led_cdev->brightness_hw_changed); in brightness_hw_changed_show()
121 static int led_add_brightness_hw_changed(struct led_classdev *led_cdev) in led_add_brightness_hw_changed() argument
123 struct device *dev = led_cdev->dev; in led_add_brightness_hw_changed()
132 led_cdev->brightness_hw_changed_kn = in led_add_brightness_hw_changed()
134 if (!led_cdev->brightness_hw_changed_kn) { in led_add_brightness_hw_changed()
143 static void led_remove_brightness_hw_changed(struct led_classdev *led_cdev) in led_remove_brightness_hw_changed() argument
145 sysfs_put(led_cdev->brightness_hw_changed_kn); in led_remove_brightness_hw_changed()
146 device_remove_file(led_cdev->dev, &dev_attr_brightness_hw_changed); in led_remove_brightness_hw_changed()
149 void led_classdev_notify_brightness_hw_changed(struct led_classdev *led_cdev, unsigned int brightne… in led_classdev_notify_brightness_hw_changed() argument
151 if (WARN_ON(!led_cdev->brightness_hw_changed_kn)) in led_classdev_notify_brightness_hw_changed()
154 led_cdev->brightness_hw_changed = brightness; in led_classdev_notify_brightness_hw_changed()
155 sysfs_notify_dirent(led_cdev->brightness_hw_changed_kn); in led_classdev_notify_brightness_hw_changed()
159 static int led_add_brightness_hw_changed(struct led_classdev *led_cdev) in led_add_brightness_hw_changed() argument
163 static void led_remove_brightness_hw_changed(struct led_classdev *led_cdev) in led_remove_brightness_hw_changed() argument
172 void led_classdev_suspend(struct led_classdev *led_cdev) in led_classdev_suspend() argument
174 led_cdev->flags |= LED_SUSPENDED; in led_classdev_suspend()
175 led_set_brightness_nopm(led_cdev, 0); in led_classdev_suspend()
176 flush_work(&led_cdev->set_brightness_work); in led_classdev_suspend()
184 void led_classdev_resume(struct led_classdev *led_cdev) in led_classdev_resume() argument
186 led_set_brightness_nopm(led_cdev, led_cdev->brightness); in led_classdev_resume()
188 if (led_cdev->flash_resume) in led_classdev_resume()
189 led_cdev->flash_resume(led_cdev); in led_classdev_resume()
191 led_cdev->flags &= ~LED_SUSPENDED; in led_classdev_resume()
198 struct led_classdev *led_cdev = dev_get_drvdata(dev); in led_suspend() local
200 if (led_cdev->flags & LED_CORE_SUSPENDRESUME) in led_suspend()
201 led_classdev_suspend(led_cdev); in led_suspend()
208 struct led_classdev *led_cdev = dev_get_drvdata(dev); in led_resume() local
210 if (led_cdev->flags & LED_CORE_SUSPENDRESUME) in led_resume()
211 led_classdev_resume(led_cdev); in led_resume()
221 struct led_classdev *led_cdev; in led_module_get() local
226 led_cdev = dev_get_drvdata(led_dev); in led_module_get()
228 if (!try_module_get(led_cdev->dev->parent->driver->owner)) { in led_module_get()
229 put_device(led_cdev->dev); in led_module_get()
233 return led_cdev; in led_module_get()
270 void led_put(struct led_classdev *led_cdev) in led_put() argument
272 module_put(led_cdev->dev->parent->driver->owner); in led_put()
273 put_device(led_cdev->dev); in led_put()
464 struct led_classdev *led_cdev, in led_classdev_register_ext() argument
484 &led_cdev->default_trigger); in led_classdev_register_ext()
488 led_cdev->flags |= LED_RETAIN_AT_SHUTDOWN; in led_classdev_register_ext()
492 &led_cdev->max_brightness); in led_classdev_register_ext()
496 &led_cdev->color); in led_classdev_register_ext()
499 proposed_name = led_cdev->name; in led_classdev_register_ext()
505 else if (ret && led_cdev->flags & LED_REJECT_NAME_CONFLICT) in led_classdev_register_ext()
511 if (led_cdev->color >= LED_COLOR_ID_MAX) in led_classdev_register_ext()
514 mutex_init(&led_cdev->led_access); in led_classdev_register_ext()
515 mutex_lock(&led_cdev->led_access); in led_classdev_register_ext()
516 led_cdev->dev = device_create_with_groups(&leds_class, parent, 0, in led_classdev_register_ext()
517 led_cdev, led_cdev->groups, "%s", final_name); in led_classdev_register_ext()
518 if (IS_ERR(led_cdev->dev)) { in led_classdev_register_ext()
519 mutex_unlock(&led_cdev->led_access); in led_classdev_register_ext()
520 return PTR_ERR(led_cdev->dev); in led_classdev_register_ext()
523 device_set_node(led_cdev->dev, init_data->fwnode); in led_classdev_register_ext()
525 if (led_cdev->flags & LED_BRIGHT_HW_CHANGED) { in led_classdev_register_ext()
526 ret = led_add_brightness_hw_changed(led_cdev); in led_classdev_register_ext()
528 device_unregister(led_cdev->dev); in led_classdev_register_ext()
529 led_cdev->dev = NULL; in led_classdev_register_ext()
530 mutex_unlock(&led_cdev->led_access); in led_classdev_register_ext()
535 led_cdev->work_flags = 0; in led_classdev_register_ext()
537 init_rwsem(&led_cdev->trigger_lock); in led_classdev_register_ext()
540 led_cdev->brightness_hw_changed = -1; in led_classdev_register_ext()
544 list_add_tail(&led_cdev->node, &leds_list); in led_classdev_register_ext()
547 if (!led_cdev->max_brightness) in led_classdev_register_ext()
548 led_cdev->max_brightness = LED_FULL; in led_classdev_register_ext()
550 led_update_brightness(led_cdev); in led_classdev_register_ext()
552 led_init_core(led_cdev); in led_classdev_register_ext()
555 led_trigger_set_default(led_cdev); in led_classdev_register_ext()
558 mutex_unlock(&led_cdev->led_access); in led_classdev_register_ext()
561 led_cdev->name); in led_classdev_register_ext()
573 void led_classdev_unregister(struct led_classdev *led_cdev) in led_classdev_unregister() argument
575 if (IS_ERR_OR_NULL(led_cdev->dev)) in led_classdev_unregister()
579 down_write(&led_cdev->trigger_lock); in led_classdev_unregister()
580 if (led_cdev->trigger) in led_classdev_unregister()
581 led_trigger_set(led_cdev, NULL); in led_classdev_unregister()
582 up_write(&led_cdev->trigger_lock); in led_classdev_unregister()
585 led_cdev->flags |= LED_UNREGISTERING; in led_classdev_unregister()
588 led_stop_software_blink(led_cdev); in led_classdev_unregister()
590 if (!(led_cdev->flags & LED_RETAIN_AT_SHUTDOWN)) in led_classdev_unregister()
591 led_set_brightness(led_cdev, LED_OFF); in led_classdev_unregister()
593 flush_work(&led_cdev->set_brightness_work); in led_classdev_unregister()
595 if (led_cdev->flags & LED_BRIGHT_HW_CHANGED) in led_classdev_unregister()
596 led_remove_brightness_hw_changed(led_cdev); in led_classdev_unregister()
598 device_unregister(led_cdev->dev); in led_classdev_unregister()
601 list_del(&led_cdev->node); in led_classdev_unregister()
604 mutex_destroy(&led_cdev->led_access); in led_classdev_unregister()
621 struct led_classdev *led_cdev, in devm_led_classdev_register_ext() argument
631 rc = led_classdev_register_ext(parent, led_cdev, init_data); in devm_led_classdev_register_ext()
637 *dr = led_cdev; in devm_led_classdev_register_ext()
660 struct led_classdev *led_cdev) in devm_led_classdev_unregister() argument
664 devm_led_classdev_match, led_cdev)); in devm_led_classdev_unregister()