Ejemplos de wm831x_config_backup en C++ (Cpp)

Ejemplo n.º 1

static __devinit int wm831x_backup_probe(struct platform_device *pdev)
{
	struct wm831x *wm831x = dev_get_drvdata(pdev->dev.parent);
	struct wm831x_backup *devdata;
	struct power_supply *backup;
	int ret;
	int irq = gpio_to_irq(MX53_SMD_DC_DET);

	devdata = kzalloc(sizeof(struct wm831x_backup), GFP_KERNEL);
	if (devdata == NULL)
		return -ENOMEM;

	devdata->wm831x = wm831x;
	platform_set_drvdata(pdev, devdata);

	backup = &devdata->backup;

	/* We ignore configuration failures since we can still read
	 * back the status without enabling the charger (which may
	 * already be enabled anyway).
	 */
	wm831x_config_backup(wm831x);

	backup->name = "wm831x-backup";
	backup->type = POWER_SUPPLY_TYPE_BATTERY;
	backup->properties = wm831x_backup_props;
	backup->num_properties = ARRAY_SIZE(wm831x_backup_props);
	backup->get_property = wm831x_backup_get_prop;
	ret = power_supply_register(&pdev->dev, backup);
	if (ret)
		goto err_kmalloc;

	wm831x_update_status(irq, devdata);
	wm831x_get_cap(devdata);

	INIT_DELAYED_WORK_DEFERRABLE(&devdata->work, wm831x_work);
	schedule_delayed_work(&devdata->work, WM831X_DELAY);

	ret = request_irq(irq, wm831x_update_status, IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING, backup->name, devdata);
	if (ret != 0) {
		free_irq(irq, devdata);
		printk("request irq fail\n");
	}

	return ret;

err_kmalloc:
	kfree(devdata);
	return ret;
}

Ejemplo n.º 2

Archivo: wm831x_backup.c Proyecto: 303750856/linux-3.1

static __devinit int wm831x_backup_probe(struct platform_device *pdev)
{
	struct wm831x *wm831x = dev_get_drvdata(pdev->dev.parent);
	struct wm831x_pdata *wm831x_pdata = wm831x->dev->platform_data;
	struct wm831x_backup *devdata;
	struct power_supply *backup;
	int ret;

	devdata = kzalloc(sizeof(struct wm831x_backup), GFP_KERNEL);
	if (devdata == NULL)
		return -ENOMEM;

	devdata->wm831x = wm831x;
	platform_set_drvdata(pdev, devdata);

	backup = &devdata->backup;

	/* We ignore configuration failures since we can still read
	 * back the status without enabling the charger (which may
	 * already be enabled anyway).
	 */
	wm831x_config_backup(wm831x);

	if (wm831x_pdata && wm831x_pdata->wm831x_num)
		snprintf(devdata->name, sizeof(devdata->name),
			 "wm831x-backup.%d", wm831x_pdata->wm831x_num);
	else
		snprintf(devdata->name, sizeof(devdata->name),
			 "wm831x-backup");

	backup->name = devdata->name;
	backup->type = POWER_SUPPLY_TYPE_BATTERY;
	backup->properties = wm831x_backup_props;
	backup->num_properties = ARRAY_SIZE(wm831x_backup_props);
	backup->get_property = wm831x_backup_get_prop;
	ret = power_supply_register(&pdev->dev, backup);
	if (ret)
		goto err_kmalloc;

	return ret;

err_kmalloc:
	kfree(devdata);
	return ret;
}