C++ (Cpp) acpi_device_can_poweroff Examples

Example #1

File: libata-zpodd.c Project: AD5GB/kernel_n5_3.10-experimental

static bool odd_can_poweroff(struct ata_device *ata_dev)
{
	acpi_handle handle;
	acpi_status status;
	struct acpi_device *acpi_dev;

	handle = ata_dev_acpi_handle(ata_dev);
	if (!handle)
		return false;

	status = acpi_bus_get_device(handle, &acpi_dev);
	if (ACPI_FAILURE(status))
		return false;

	return acpi_device_can_poweroff(acpi_dev);
}

Example #2

File: libata-zpodd.c Project: RafaelFazzolino/linux

void zpodd_init(struct ata_device *dev)
{
	struct acpi_device *adev = ACPI_COMPANION(&dev->tdev);
	enum odd_mech_type mech_type;
	struct zpodd *zpodd;

	if (dev->zpodd || !adev || !acpi_device_can_poweroff(adev))
		return;

	mech_type = zpodd_get_mech_type(dev);
	if (mech_type == ODD_MECH_TYPE_UNSUPPORTED)
		return;

	zpodd = kzalloc(sizeof(struct zpodd), GFP_KERNEL);
	if (!zpodd)
		return;

	zpodd->mech_type = mech_type;

	ata_acpi_add_pm_notifier(dev);
	zpodd->dev = dev;
	dev->zpodd = zpodd;
	dev_pm_qos_expose_flags(&dev->tdev, 0);
}