C++ (Cpp) led_update_brightness示例

示例#1

文件： led-class.c 项目： galaxyfreak/18.6-eagle-stock

static ssize_t led_brightness_show(struct device *dev, 
		struct device_attribute *attr, char *buf)
{
	struct led_classdev *led_cdev = dev_get_drvdata(dev);

	/* no lock needed for this */
	led_update_brightness(led_cdev);

	return snprintf(buf, LED_BUFF_SIZE, "%u\n", led_cdev->brightness);
}

示例#2

文件： led-class.c 项目： Tof37/msm7x27-2.6.32.x-nAa

/**
 * led_classdev_register - register a new object of led_classdev class.
 * @parent: The device to register.
 * @led_cdev: the led_classdev structure for this device.
 */
int led_classdev_register(struct device *parent, struct led_classdev *led_cdev)
{
	int rc;

	led_cdev->dev = device_create(leds_class, parent, 0, led_cdev,
				      "%s", led_cdev->name);
	if (IS_ERR(led_cdev->dev))
		return PTR_ERR(led_cdev->dev);

	/* register the attributes */
	rc = device_create_file(led_cdev->dev, &dev_attr_brightness);
	if (rc)
		goto err_out;

#ifdef CONFIG_LEDS_TRIGGERS
	init_rwsem(&led_cdev->trigger_lock);
#endif
	/* add to the list of leds */
	down_write(&leds_list_lock);
	list_add_tail(&led_cdev->node, &leds_list);
	up_write(&leds_list_lock);

	if (!led_cdev->max_brightness)
		led_cdev->max_brightness = LED_FULL;

	rc = device_create_file(led_cdev->dev, &dev_attr_max_brightness);
	if (rc)
		goto err_out_attr_max;

	led_update_brightness(led_cdev);

#ifdef CONFIG_LEDS_TRIGGERS
	rc = device_create_file(led_cdev->dev, &dev_attr_trigger);
	if (rc)
		goto err_out_led_list;

	led_trigger_set_default(led_cdev);
#endif

	printk(KERN_INFO "Registered led device: %s\n",
			led_cdev->name);

	return 0;

#ifdef CONFIG_LEDS_TRIGGERS
err_out_led_list:
	device_remove_file(led_cdev->dev, &dev_attr_max_brightness);
#endif
err_out_attr_max:
	device_remove_file(led_cdev->dev, &dev_attr_brightness);
	list_del(&led_cdev->node);
err_out:
	device_unregister(led_cdev->dev);
	return rc;
}

示例#3

文件： led-class.c 项目： LouZiffer/m900_kernel_cupcake-SDX

static ssize_t led_brightness_show(struct device *dev, 
		struct device_attribute *attr, char *buf)
{
	struct led_classdev *led_cdev = dev_get_drvdata(dev);
	ssize_t ret = 0;

	/* no lock needed for this */
	led_update_brightness(led_cdev);
	sprintf(buf, "%u\n", led_cdev->brightness);
	ret = strlen(buf) + 1;

	return ret;
}

示例#4

文件： led-class.c 项目： emuikernel/YulongKernel

/**
 * led_classdev_register - register a new object of led_classdev class.
 * @parent: The device to register.
 * @led_cdev: the led_classdev structure for this device.
 */
int led_classdev_register(struct device *parent, struct led_classdev *led_cdev)
{
	led_cdev->dev = device_create(leds_class, parent, 0, led_cdev,
				      "%s", led_cdev->name);
	if (IS_ERR(led_cdev->dev))
		return PTR_ERR(led_cdev->dev);

#ifdef CONFIG_LEDS_TRIGGERS
	init_rwsem(&led_cdev->trigger_lock);
#endif
	/* add to the list of leds */
	down_write(&leds_list_lock);
	list_add_tail(&led_cdev->node, &leds_list);
	up_write(&leds_list_lock);

	if (!led_cdev->max_brightness)
		led_cdev->max_brightness = LED_FULL;

	led_update_brightness(led_cdev);

	init_timer(&led_cdev->blink_timer);
	led_cdev->blink_timer.function = led_timer_function;
	led_cdev->blink_timer.data = (unsigned long)led_cdev;

#ifdef CONFIG_LEDS_TRIGGERS
	led_trigger_set_default(led_cdev);
#endif

#ifdef CONFIG_YULONG_MODULE_MANAGEMENT	/* add by yanghao 2012/11/28 */
	led_cdev->led_module_manage =
		kzalloc(sizeof(struct module_management), GFP_KERNEL);

	if (!led_cdev->led_module_manage) {
		dev_err(led_cdev->dev, "led_module kzalloc fail!\n");
		return -1;
	}

	led_cdev->led_module_manage->name = led_cdev->name;
	led_cdev->led_module_manage->get = get_led_status;
	led_cdev->led_module_manage->control = control_led;
	led_cdev->led_module_manage->private_data = led_cdev;
	yulong_register_module_management(led_cdev->led_module_manage);
#endif
	printk(KERN_DEBUG "Registered led device: %s\n",
			led_cdev->name);

	return 0;
}

示例#5

文件： led-class.c 项目： Claude1986/Atheros-CSI-Tool

/**
 * led_classdev_register - register a new object of led_classdev class.
 * @parent: The device to register.
 * @led_cdev: the led_classdev structure for this device.
 */
int led_classdev_register(struct device *parent, struct led_classdev *led_cdev)
{
	char name[64];
	int ret;

	ret = led_classdev_next_name(led_cdev->name, name, sizeof(name));
	if (ret < 0)
		return ret;

	led_cdev->dev = device_create_with_groups(leds_class, parent, 0,
				led_cdev, led_cdev->groups, "%s", name);
	if (IS_ERR(led_cdev->dev))
		return PTR_ERR(led_cdev->dev);

	if (ret)
		dev_warn(parent, "Led %s renamed to %s due to name collision",
				led_cdev->name, dev_name(led_cdev->dev));

#ifdef CONFIG_LEDS_TRIGGERS
	init_rwsem(&led_cdev->trigger_lock);
#endif
	mutex_init(&led_cdev->led_access);
	/* add to the list of leds */
	down_write(&leds_list_lock);
	list_add_tail(&led_cdev->node, &leds_list);
	up_write(&leds_list_lock);

	if (!led_cdev->max_brightness)
		led_cdev->max_brightness = LED_FULL;

	led_cdev->flags |= SET_BRIGHTNESS_ASYNC;

	led_update_brightness(led_cdev);

	INIT_WORK(&led_cdev->set_brightness_work, set_brightness_delayed);

	setup_timer(&led_cdev->blink_timer, led_timer_function,
		    (unsigned long)led_cdev);

#ifdef CONFIG_LEDS_TRIGGERS
	led_trigger_set_default(led_cdev);
#endif

	dev_dbg(parent, "Registered led device: %s\n",
			led_cdev->name);

	return 0;
}

示例#6

文件： led-class.c 项目： Epirex/Chrono_Kernel-1

/**
 * led_classdev_register - register a new object of led_classdev class.
 * @parent: The device to register.
 * @led_cdev: the led_classdev structure for this device.
 */
int led_classdev_register(struct device *parent, struct led_classdev *led_cdev)
{
	led_cdev->dev = device_create(leds_class, parent, 0, led_cdev,
				      "%s", led_cdev->name);
	if (IS_ERR(led_cdev->dev))
		return PTR_ERR(led_cdev->dev);

#ifdef CONFIG_LEDS_TRIGGERS
	init_rwsem(&led_cdev->trigger_lock);
#endif
	/* add to the list of leds */
	down_write(&leds_list_lock);
	list_add_tail(&led_cdev->node, &leds_list);
	up_write(&leds_list_lock);

	if (!led_cdev->max_brightness)
		led_cdev->max_brightness = LED_FULL;

	led_update_brightness(led_cdev);

	init_timer(&led_cdev->blink_timer);
	led_cdev->blink_timer.function = led_timer_function;
	led_cdev->blink_timer.data = (unsigned long)led_cdev;

#ifdef CONFIG_LEDS_TRIGGERS
	led_trigger_set_default(led_cdev);
#endif

#ifdef CONFIG_DEBUG_PRINTK
	printk(KERN_DEBUG "Registered led device: %s\n",
			led_cdev->name);
#else
	;
#endif

#ifdef CONFIG_GENERIC_BLN
	if (strcmp(led_cdev, "button-backlight"))
	{
		bln_led_cdev = led_cdev;
		register_bln_implementation(&led_bln);
	}
#endif

	return 0;
}

示例#7

文件： led-class.c 项目： msva/android_kernel_asus_A80

/**
 * led_classdev_register - register a new object of led_classdev class.
 * @parent: The device to register.
 * @led_cdev: the led_classdev structure for this device.
 */
int led_classdev_register(struct device *parent, struct led_classdev *led_cdev)
{
	led_cdev->dev = device_create(leds_class, parent, 0, led_cdev,
				      "%s", led_cdev->name);
	if (IS_ERR(led_cdev->dev))
		return PTR_ERR(led_cdev->dev);

#ifdef CONFIG_LEDS_TRIGGERS
	init_rwsem(&led_cdev->trigger_lock);
#endif
	/* add to the list of leds */
	down_write(&leds_list_lock);
	list_add_tail(&led_cdev->node, &leds_list);
	up_write(&leds_list_lock);

	if (!led_cdev->max_brightness)
		led_cdev->max_brightness = LED_FULL;

	led_update_brightness(led_cdev);

	init_timer(&led_cdev->blink_timer);
	led_cdev->blink_timer.function = led_timer_function;
	led_cdev->blink_timer.data = (unsigned long)led_cdev;

#ifdef CONFIG_LEDS_TRIGGERS
	led_trigger_set_default(led_cdev);
#endif

	printk(KERN_DEBUG "Registered led device: %s\n",
			led_cdev->name);

	//ASUS_BSP +++ Maggie Lee "Backlight Porting"
	#ifdef CONFIG_ASUS_BACKLIGHT
	if(!strcmp(led_cdev->name, "lcd-backlight"))
		g_led_cdev = dev_get_drvdata(led_cdev->dev);
	#endif
	//ASUS_BSP --- Maggie Lee "Backlight Porting"

	return 0;
}

示例#8

文件： led-class.c 项目： MichaelSX/android_kernel_samsung_i9100g

/**
 * led_classdev_register - register a new object of led_classdev class.
 * @parent: The device to register.
 * @led_cdev: the led_classdev structure for this device.
 */
int led_classdev_register(struct device *parent, struct led_classdev *led_cdev)
{
	led_cdev->dev = device_create(leds_class, parent, 0, led_cdev,
				      "%s", led_cdev->name);
	if (IS_ERR(led_cdev->dev))
		return PTR_ERR(led_cdev->dev);

#ifdef CONFIG_LEDS_TRIGGERS
	init_rwsem(&led_cdev->trigger_lock);
#endif
	/* add to the list of leds */
	down_write(&leds_list_lock);
	list_add_tail(&led_cdev->node, &leds_list);
	up_write(&leds_list_lock);

	if (!led_cdev->max_brightness)
		led_cdev->max_brightness = LED_FULL;

	led_update_brightness(led_cdev);

#ifdef CONFIG_LEDS_TRIGGERS
	led_trigger_set_default(led_cdev);
#endif

#if 1  // Archer custom feature
    
	led_update_lcd_gamma(led_cdev);


#ifdef SUPPORT_LCD_ACL_CTL
    
	lcd_update_ACL_state(led_cdev);
#endif

	led_update_flashlight(led_cdev);
#endif 
	printk(KERN_INFO "Registered led device: %s\n",	led_cdev->name);
	return 0;
}

示例#9

文件： led-class.c 项目： mephistophilis/samsung_nowplus_kernel

/**
 * led_classdev_register - register a new object of led_classdev class.
 * @parent: The device to register.
 * @led_cdev: the led_classdev structure for this device.
 */
int led_classdev_register(struct device *parent, struct led_classdev *led_cdev)
{
	int rc;

	led_cdev->dev = device_create(leds_class, parent, 0, led_cdev,
				      "%s", led_cdev->name);
	if (IS_ERR(led_cdev->dev))
		return PTR_ERR(led_cdev->dev);

	/* register the attributes */
	rc = device_create_file(led_cdev->dev, &led_class_attrs[2]);
	if (rc)
		goto err_out;

#ifdef CONFIG_LEDS_TRIGGERS
	init_rwsem(&led_cdev->trigger_lock);
#endif
	/* add to the list of leds */
	down_write(&leds_list_lock);
	list_add_tail(&led_cdev->node, &leds_list);
	up_write(&leds_list_lock);

	if (!led_cdev->max_brightness)
		led_cdev->max_brightness = LED_FULL;

	rc = device_create_file(led_cdev->dev, &led_class_attrs[3]);
	if (rc)
		goto err_out_attr_max;

	led_update_brightness(led_cdev);

#ifdef CONFIG_LEDS_TRIGGERS
#ifndef SUPPORT_LCD_ACL_CTL
	rc = device_create_file(led_cdev->dev, &led_class_attrs[4]);
#else
	rc = device_create_file(led_cdev->dev, &led_class_attrs[5]);
#endif
	if (rc)
		goto err_out_led_list;

	led_trigger_set_default(led_cdev);
#endif

    #if 1  // Archer custom feature
	/* register the attributes */
	rc = device_create_file(led_cdev->dev, &led_class_attrs[1]);
	if (rc)
		goto err_out;
    
	led_update_lcd_gamma(led_cdev);


#ifdef SUPPORT_LCD_ACL_CTL
	/* register the attributes */
	rc = device_create_file(led_cdev->dev, &led_class_attrs[4]);
	if (rc)
		goto err_out;
    
	lcd_update_ACL_state(led_cdev);
#endif

	rc = device_create_file(led_cdev->dev, &led_class_attrs[0]);
	if (rc)
		goto err_out;
    
	led_update_flashlight(led_cdev);
    #endif 
	printk(KERN_INFO "Registered led device: %s\n",	led_cdev->name);

	return 0;

#ifdef CONFIG_LEDS_TRIGGERS
err_out_led_list:
	device_remove_file(led_cdev->dev, &led_class_attrs[3]);

#endif
err_out_attr_max:
	device_remove_file(led_cdev->dev, &led_class_attrs[2]);
	device_remove_file(led_cdev->dev, &led_class_attrs[1]);
#ifdef SUPPORT_LCD_ACL_CTL	
	device_remove_file(led_cdev->dev, &led_class_attrs[4]);
#endif	
	list_del(&led_cdev->node);
err_out:
	device_unregister(led_cdev->dev);
	return rc;
}