Exemplos de led_regulator_get_max_brightness em C++ (Cpp)

Exemplo n.º 1

Arquivo: leds-regulator.c Projeto: 168519/linux

static int regulator_led_probe(struct platform_device *pdev)
{
	struct led_regulator_platform_data *pdata =
			dev_get_platdata(&pdev->dev);
	struct regulator_led *led;
	struct regulator *vcc;
	int ret = 0;

	if (pdata == NULL) {
		dev_err(&pdev->dev, "no platform data\n");
		return -ENODEV;
	}

	vcc = devm_regulator_get_exclusive(&pdev->dev, "vled");
	if (IS_ERR(vcc)) {
		dev_err(&pdev->dev, "Cannot get vcc for %s\n", pdata->name);
		return PTR_ERR(vcc);
	}

	led = devm_kzalloc(&pdev->dev, sizeof(*led), GFP_KERNEL);
	if (led == NULL)
		return -ENOMEM;

	led->cdev.max_brightness = led_regulator_get_max_brightness(vcc);
	if (pdata->brightness > led->cdev.max_brightness) {
		dev_err(&pdev->dev, "Invalid default brightness %d\n",
				pdata->brightness);
		return -EINVAL;
	}
	led->value = pdata->brightness;

	led->cdev.brightness_set = regulator_led_brightness_set;
	led->cdev.name = pdata->name;
	led->cdev.flags |= LED_CORE_SUSPENDRESUME;
	led->vcc = vcc;

	/* to handle correctly an already enabled regulator */
	if (regulator_is_enabled(led->vcc))
		led->enabled = 1;

	mutex_init(&led->mutex);
	INIT_WORK(&led->work, led_work);

	platform_set_drvdata(pdev, led);

	ret = led_classdev_register(&pdev->dev, &led->cdev);
	if (ret < 0) {
		cancel_work_sync(&led->work);
		return ret;
	}

	/* to expose the default value to userspace */
	led->cdev.brightness = led->value;

	/* Set the default led status */
	regulator_led_set_value(led);

	return 0;
}

Exemplo n.º 2

Arquivo: leds-regulator.c Projeto: Core2idiot/Kernel-Samsung-3.0...-

static int __devinit regulator_led_probe(struct platform_device *pdev)
{
	struct led_regulator_platform_data *pdata = pdev->dev.platform_data;
	struct regulator_led *led;
	struct regulator *vcc;
	int ret = 0;

	if (pdata == NULL) {
		dev_err(&pdev->dev, "no platform data\n");
		return -ENODEV;
	}

	vcc = regulator_get_exclusive(&pdev->dev, "vled");
	if (IS_ERR(vcc)) {
		dev_err(&pdev->dev, "Cannot get vcc for %s\n", pdata->name);
		return PTR_ERR(vcc);
	}

	led = kzalloc(sizeof(*led), GFP_KERNEL);
	if (led == NULL) {
		ret = -ENOMEM;
		goto err_vcc;
	}

	led->cdev.max_brightness = led_regulator_get_max_brightness(vcc);
	if (pdata->brightness > led->cdev.max_brightness) {
		dev_err(&pdev->dev, "Invalid default brightness %d\n",
				pdata->brightness);
		ret = -EINVAL;
		goto err_led;
	}
	led->value = pdata->brightness;

	led->cdev.brightness_set = regulator_led_brightness_set;
	led->cdev.name = pdata->name;
	led->cdev.flags |= LED_CORE_SUSPENDRESUME;
	led->vcc = vcc;

<<<<<<< HEAD

Exemplo n.º 3

Arquivo: leds-regulator.c Projeto: DirtyDroidX/android_kernel_htc_m8ul

static int __devinit regulator_led_probe(struct platform_device *pdev)
{
	struct led_regulator_platform_data *pdata = pdev->dev.platform_data;
	struct regulator_led *led;
	struct regulator *vcc;
	int ret = 0;

	if (pdata == NULL) {
		dev_err(&pdev->dev, "no platform data\n");
		return -ENODEV;
	}

	vcc = regulator_get_exclusive(&pdev->dev, "vled");
	if (IS_ERR(vcc)) {
		dev_err(&pdev->dev, "Cannot get vcc for %s\n", pdata->name);
		return PTR_ERR(vcc);
	}

	led = kzalloc(sizeof(*led), GFP_KERNEL);
	if (led == NULL) {
		ret = -ENOMEM;
		goto err_vcc;
	}

	led->cdev.max_brightness = led_regulator_get_max_brightness(vcc);
	if (pdata->brightness > led->cdev.max_brightness) {
		dev_err(&pdev->dev, "Invalid default brightness %d\n",
				pdata->brightness);
		ret = -EINVAL;
		goto err_led;
	}
	led->value = pdata->brightness;

	led->cdev.brightness_set = regulator_led_brightness_set;
	led->cdev.name = pdata->name;
	led->cdev.flags |= LED_CORE_SUSPENDRESUME;
	led->vcc = vcc;

	
	if (regulator_is_enabled(led->vcc))
		led->enabled = 1;

	mutex_init(&led->mutex);
	INIT_WORK(&led->work, led_work);

	platform_set_drvdata(pdev, led);

	ret = led_classdev_register(&pdev->dev, &led->cdev);
	if (ret < 0) {
		cancel_work_sync(&led->work);
		goto err_led;
	}

	
	led->cdev.brightness = led->value;

	
	regulator_led_set_value(led);

	return 0;

err_led:
	kfree(led);
err_vcc:
	regulator_put(vcc);
	return ret;
}