ACPI_TAD_DC_TIMER
int ret = acpi_tad_alarm_write(dev, buf, ACPI_TAD_DC_TIMER);
return acpi_tad_alarm_read(dev, buf, ACPI_TAD_DC_TIMER);
int ret = acpi_tad_policy_write(dev, buf, ACPI_TAD_DC_TIMER);
return acpi_tad_policy_read(dev, buf, ACPI_TAD_DC_TIMER);
int ret = acpi_tad_status_write(dev, buf, ACPI_TAD_DC_TIMER);
return acpi_tad_status_read(dev, buf, ACPI_TAD_DC_TIMER);
acpi_tad_disable_timer(dev, ACPI_TAD_DC_TIMER);
acpi_tad_clear_status(dev, ACPI_TAD_DC_TIMER);