diff --git a/src/platform/apollolake/include/platform/platform.h b/src/platform/apollolake/include/platform/platform.h
index aa78732eb2e0..145821390618 100644
--- a/src/platform/apollolake/include/platform/platform.h
+++ b/src/platform/apollolake/include/platform/platform.h
@@ -115,6 +115,9 @@ struct sof;
 /* number of SSP ports in platform */
 #define PLATFORM_NUM_SSP	6
 
+/* number of SSP ports in platform */
+#define PLATFORM_NUM_DMIC	2
+
 /* DSP default delay in cycles */
 #define PLATFORM_DEFAULT_DELAY	12
 
diff --git a/src/platform/apollolake/platform.c b/src/platform/apollolake/platform.c
index 684cc74ec3a4..e2d3e18cf3d8 100644
--- a/src/platform/apollolake/platform.c
+++ b/src/platform/apollolake/platform.c
@@ -197,7 +197,7 @@ static void platform_memory_windows_init(void)
 int platform_init(struct sof *sof)
 {
 	struct dai *ssp;
-	struct dai *dmic0;
+	struct dai *dmic;
 	int i, ret;
 
 	platform_interrupt_init();
@@ -271,11 +271,12 @@ int platform_init(struct sof *sof)
 	 * supported max. those are available in platform are handled by dmic0.
 	 */
 	trace_point(TRACE_BOOT_PLATFORM_DMIC);
-	dmic0 = dai_get(SOF_DAI_INTEL_DMIC, 0);
-	if (!dmic0)
-		return -ENODEV;
-
-	dai_probe(dmic0);
+	for (i = 0; i < PLATFORM_NUM_DMIC; i++) {
+		dmic = dai_get(SOF_DAI_INTEL_DMIC, i);
+		if (!dmic)
+			return -ENODEV;
+		dai_probe(dmic);
+	}
 
 	/* Initialize DMA for Trace*/
 	dma_trace_init_complete(sof->dmat);
diff --git a/src/platform/cannonlake/include/platform/platform.h b/src/platform/cannonlake/include/platform/platform.h
index 67566b26593e..d53d2d595339 100644
--- a/src/platform/cannonlake/include/platform/platform.h
+++ b/src/platform/cannonlake/include/platform/platform.h
@@ -44,7 +44,12 @@ struct sof;
 
 #define PLATFORM_WAITI_DELAY	1
 
-#define PLATFORM_SSP_COUNT 3
+/* number of SSP ports in platform */
+#define PLATFORM_NUM_SSP	3
+
+/* number of SSP ports in platform */
+#define PLATFORM_NUM_DMIC	2
+
 #define MAX_GPDMA_COUNT 2
 
 /* Host page size */
diff --git a/src/platform/cannonlake/platform.c b/src/platform/cannonlake/platform.c
index 6e5a020e4f70..83019fe7ae0a 100644
--- a/src/platform/cannonlake/platform.c
+++ b/src/platform/cannonlake/platform.c
@@ -219,7 +219,7 @@ static struct timer platform_ext_timer = {
 int platform_init(struct sof *sof)
 {
 	struct dai *ssp;
-	struct dai *dmic0;
+	struct dai *dmic;
 	int i, ret;
 
 	trace_point(TRACE_BOOT_PLATFORM_ENTRY);
@@ -276,7 +276,7 @@ int platform_init(struct sof *sof)
 
 	/* init SSP ports */
 	trace_point(TRACE_BOOT_PLATFORM_SSP);
-	for(i = 0; i < PLATFORM_SSP_COUNT; i++) {
+	for (i = 0; i < PLATFORM_NUM_SSP; i++) {
 		ssp = dai_get(SOF_DAI_INTEL_SSP, i);
 		if (ssp == NULL)
 			return -ENODEV;
@@ -287,11 +287,12 @@ int platform_init(struct sof *sof)
 	 * supported max. those are available in platform are handled by dmic0.
 	 */
 	trace_point(TRACE_BOOT_PLATFORM_DMIC);
-	dmic0 = dai_get(SOF_DAI_INTEL_DMIC, 0);
-	if (!dmic0)
-		return -ENODEV;
-
-	dai_probe(dmic0);
+	for (i = 0; i < PLATFORM_NUM_DMIC; i++) {
+		dmic = dai_get(SOF_DAI_INTEL_DMIC, i);
+		if (!dmic)
+			return -ENODEV;
+		dai_probe(dmic);
+	}
 
 	/* Initialize DMA for Trace*/
 	dma_trace_init_complete(sof->dmat);