diff --git a/fw/wmi_tlv_defs.h b/fw/wmi_tlv_defs.h
index e9a1d24908..1a1ddf1c6e 100644
--- a/fw/wmi_tlv_defs.h
+++ b/fw/wmi_tlv_defs.h
@@ -915,6 +915,7 @@ typedef enum {
     WMITLV_TAG_STRUC_wmi_vdev_set_custom_sw_retry_th_cmd_fixed_param,
     WMITLV_TAG_STRUC_wmi_get_tpc_power_cmd_fixed_param,
     WMITLV_TAG_STRUC_wmi_get_tpc_power_evt_fixed_param,
+    WMITLV_TAG_STRUC_wmi_dma_buf_release_spectral_meta_data,
 } WMITLV_TAG_ID;
 
 /*
@@ -4935,7 +4936,8 @@ WMITLV_CREATE_PARAM_STRUC(WMI_PDEV_DMA_RING_CFG_RSP_EVENTID);
 /* dma buffer release event */
 #define WMITLV_TABLE_WMI_PDEV_DMA_RING_BUF_RELEASE_EVENTID(id,op,buf,len) \
     WMITLV_ELEM(id,op,buf,len, WMITLV_TAG_STRUC_wmi_dma_buf_release_fixed_param, wmi_dma_buf_release_fixed_param, fixed_param, WMITLV_SIZE_FIX) \
-    WMITLV_ELEM(id,op,buf,len, WMITLV_TAG_ARRAY_STRUC, wmi_dma_buf_release_entry, entries, WMITLV_SIZE_VAR)
+    WMITLV_ELEM(id,op,buf,len, WMITLV_TAG_ARRAY_STRUC, wmi_dma_buf_release_entry, entries, WMITLV_SIZE_VAR) \
+    WMITLV_ELEM(id,op,buf,len, WMITLV_TAG_ARRAY_STRUC, wmi_dma_buf_release_spectral_meta_data, meta_data, WMITLV_SIZE_VAR)
 WMITLV_CREATE_PARAM_STRUC(WMI_PDEV_DMA_RING_BUF_RELEASE_EVENTID);
 
 
diff --git a/fw/wmi_unified.h b/fw/wmi_unified.h
index 830b8750d6..bc520f5c4d 100644
--- a/fw/wmi_unified.h
+++ b/fw/wmi_unified.h
@@ -22523,8 +22523,10 @@ typedef struct {
     A_UINT32 pdev_id;       /** ID of pdev whose DMA ring produced the data */
     A_UINT32 mod_id;        /* see WMI_DMA_RING_SUPPORTED_MODULE */
     A_UINT32 num_buf_release_entry;
+    A_UINT32 num_meta_data_entry;
     /* This TLV is followed by another TLV of array of structs.
-     * wmi_dma_buf_release_entry entries;
+     * wmi_dma_buf_release_entry entries[num_buf_release_entry];
+     * wmi_dma_buf_release_spectral_meta_data meta_datat[num_meta_data_entry];
      */
 } wmi_dma_buf_release_fixed_param;
 
@@ -22541,6 +22543,19 @@ typedef struct {
     A_UINT32 paddr_hi;
 } wmi_dma_buf_release_entry;
 
+typedef struct {
+    A_UINT32 tlv_header; /* TLV tag and len; tag equals WMITLV_TAG_STRUC_wmi_dma_buf_release_spectral_meta_data */
+    /**
+     * meta data information.
+     * Host uses the noise floor values as one of the major parameter
+     * to classify the spectral data.
+     * This information will not be provided by ucode unlike the fft reports
+     * which gets DMAed to DDR buffer.
+     * Hence sending the NF values in dBm units as meta data information.
+     */
+    A_INT32 noise_floor[WMI_MAX_CHAINS];
+} wmi_dma_buf_release_spectral_meta_data;
+
 typedef struct {
     A_UINT32 tlv_header;  /* TLV tag and len; tag equals WMITLV_TAG_STRUC_wmi_runtime_dpd_recal_cmd_fixed_param  */
     A_UINT32 enable;      /* Enable/disable */
diff --git a/fw/wmi_version.h b/fw/wmi_version.h
index 55d753c9a5..637c70bb44 100644
--- a/fw/wmi_version.h
+++ b/fw/wmi_version.h
@@ -36,7 +36,7 @@
 #define __WMI_VER_MINOR_    0
 /** WMI revision number has to be incremented when there is a
  *  change that may or may not break compatibility. */
-#define __WMI_REVISION_ 530
+#define __WMI_REVISION_ 531
 
 /** The Version Namespace should not be normally changed. Only
  *  host and firmware of the same WMI namespace will work