diff --git a/src/soc/intel/cannonlake/acpi.c b/src/soc/intel/cannonlake/acpi.c
index 9dcaa33..0134b86 100644
--- a/src/soc/intel/cannonlake/acpi.c
+++ b/src/soc/intel/cannonlake/acpi.c
@@ -187,6 +187,9 @@
 	fadt->x_pm_tmr_blk.resv = 0;
 	fadt->x_pm_tmr_blk.addrl = pmbase + PM1_TMR;
 	fadt->x_pm_tmr_blk.addrh = 0x0;
+
+	if(config->s0ix_enable)
+		fadt->flags |= ACPI_FADT_LOW_PWR_IDLE_S0;
 }
 uint32_t soc_read_sci_irq_select(void)
 {
diff --git a/src/soc/intel/cannonlake/chip.c b/src/soc/intel/cannonlake/chip.c
index ca2f9a3..b2689b0 100644
--- a/src/soc/intel/cannonlake/chip.c
+++ b/src/soc/intel/cannonlake/chip.c
@@ -228,6 +228,9 @@
 	params->PchHdaAudioLinkSndw3 = config->PchHdaAudioLinkSndw3;
 	params->PchHdaAudioLinkSndw4 = config->PchHdaAudioLinkSndw4;
 
+	/* S0ix */
+	params->PchPmSlpS0Enable = config->s0ix_enable;
+
 	/* USB */
 	for (i = 0; i < ARRAY_SIZE(config->usb2_ports); i++) {
 		params->PortUsb20Enable[i] =