ACPI Platform Driver



static struct platform_suspend_ops acpi_suspend_ops = {
        .valid = acpi_suspend_state_valid,
        .begin = acpi_suspend_begin,
        .prepare = acpi_suspend_prepare,    // _PSW, _PTS, _SST
        .enter = acpi_suspend_enter,        // _GTS ... _BFS
        .finish = acpi_suspend_finish,      // _SST, _WAK
        .end = acpi_suspend_end,
};