acpi_tad_status_read 478 drivers/acpi/acpi_tad.c return acpi_tad_status_read(dev, buf, ACPI_TAD_AC_TIMER); acpi_tad_status_read 537 drivers/acpi/acpi_tad.c return acpi_tad_status_read(dev, buf, ACPI_TAD_DC_TIMER);