acpi_device_present
if (!acpi_device_present(ad->ad_handle)) {
!acpi_device_present(ad->ad_handle)) {
if (!acpi_device_present(handle))
if (!acpi_device_present(aa->aa_node->ad_handle)) {
if (!acpi_device_present(ad->ad_handle))
if (!acpi_device_present(ad->ad_handle))
if (!acpi_device_present(ad->ad_handle))
!acpi_device_present(ad->ad_handle)) {
bool acpi_device_present(ACPI_HANDLE);
!acpi_device_present(ad->ad_handle)) {
!acpi_device_present(ad->ad_handle)) {