ACPI_PM1_SLP_EN
rega &= ~(ACPI_PM1_SLP_TYPX_MASK | ACPI_PM1_SLP_EN);
regb &= ~(ACPI_PM1_SLP_TYPX_MASK | ACPI_PM1_SLP_EN);
rega |= ACPI_PM1_SLP_EN;
regb |= ACPI_PM1_SLP_EN;
rega &= ~(ACPI_PM1_SLP_TYPX_MASK | ACPI_PM1_SLP_EN);
regb &= ~(ACPI_PM1_SLP_TYPX_MASK | ACPI_PM1_SLP_EN);