C++ (Cpp) acpi_thermal_get_info Examples

Example #1

static int
acpi_thermal_add (
	struct acpi_device 		*device)
{
	int			result = 0;
	acpi_status		status = AE_OK;
	struct acpi_thermal	*tz = NULL;

	ACPI_FUNCTION_TRACE("acpi_thermal_add");

	if (!device)
		return_VALUE(-EINVAL);

	tz = kmalloc(sizeof(struct acpi_thermal), GFP_KERNEL);
	if (!tz)
		return_VALUE(-ENOMEM);
	memset(tz, 0, sizeof(struct acpi_thermal));

	tz->handle = device->handle;
	sprintf(tz->name, "%s", device->pnp.bus_id);
	sprintf(acpi_device_name(device), "%s", ACPI_THERMAL_DEVICE_NAME);
	sprintf(acpi_device_class(device), "%s", ACPI_THERMAL_CLASS);
	acpi_driver_data(device) = tz;

	result = acpi_thermal_get_info(tz);
	if (result)
		goto end;

	result = acpi_thermal_add_fs(device);
	if (result)
		return_VALUE(result);

	init_timer(&tz->timer);

	acpi_thermal_check(tz);

	status = acpi_install_notify_handler(tz->handle,
		ACPI_DEVICE_NOTIFY, acpi_thermal_notify, tz);
	if (ACPI_FAILURE(status)) {
		ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
			"Error installing notify handler\n"));
		result = -ENODEV;
		goto end;
	}

	printk(KERN_INFO PREFIX "%s [%s] (%ld C)\n",
		acpi_device_name(device), acpi_device_bid(device),
		KELVIN_TO_CELSIUS(tz->temperature));

end:
	if (result) {
		acpi_thermal_remove_fs(device);
		kfree(tz);
	}

	return_VALUE(result);
}

Example #2

File: thermal.c Project: 119-org/lamobo-d1

static int acpi_thermal_add(struct acpi_device *device)
{
	int result = 0;
	struct acpi_thermal *tz = NULL;


	if (!device)
		return -EINVAL;

	tz = kzalloc(sizeof(struct acpi_thermal), GFP_KERNEL);
	if (!tz)
		return -ENOMEM;

	tz->device = device;
	strcpy(tz->name, device->pnp.bus_id);
	strcpy(acpi_device_name(device), ACPI_THERMAL_DEVICE_NAME);
	strcpy(acpi_device_class(device), ACPI_THERMAL_CLASS);
	device->driver_data = tz;
	mutex_init(&tz->lock);


	result = acpi_thermal_get_info(tz);
	if (result)
		goto free_memory;

	acpi_thermal_guess_offset(tz);

	result = acpi_thermal_register_thermal_zone(tz);
	if (result)
		goto free_memory;

	printk(KERN_INFO PREFIX "%s [%s] (%ld C)\n",
	       acpi_device_name(device), acpi_device_bid(device),
	       KELVIN_TO_CELSIUS(tz->temperature));
	goto end;

free_memory:
	kfree(tz);
end:
	return result;
}