diff --git a/fw/wmi_unified.h b/fw/wmi_unified.h
index 40186b3f96..1534c450c2 100644
--- a/fw/wmi_unified.h
+++ b/fw/wmi_unified.h
@@ -2012,6 +2012,10 @@ typedef struct {
     A_UINT32 vht_supp_mcs; /* VHT Supported MCS Set field Rx/Tx same */
     A_UINT32 hw_min_tx_power;
     A_UINT32 hw_max_tx_power;
+    /* sys_cap_info:
+     * bits  1:0  - RXTX LED + RFKILL enable flags (see WMI_LEDRFKILL_FLAGS)
+     * bits 31:2  - reserved (must be set to zero)
+     */
     A_UINT32 sys_cap_info;
     A_UINT32 min_pkt_size_enable; /* Enterprise mode short pkt enable */
     /** Max beacon and Probe Response IE offload size (includes
@@ -2080,6 +2084,11 @@ typedef struct {
  */
 } wmi_service_ready_event_fixed_param;
 
+typedef enum {
+    WMI_RXTX_LED_ENABLE         = 0x00000001,
+    WMI_RFKILL_ENABLE           = 0x00000002,
+} WMI_LEDRFKILL_FLAGS;
+
 #define WMI_SERVICE_SEGMENT_BM_SIZE32 4 /* 4x A_UINT32 = 128 bits */
 typedef struct {
     A_UINT32 tlv_header; /* TLV tag and len; tag equals WMITLV_TAG_STRUC_wmi_service_available_event_fixed_param */
diff --git a/fw/wmi_version.h b/fw/wmi_version.h
index 2c33c4aaa3..f4cc1ebafc 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_ 434
+#define __WMI_REVISION_ 435
 
 /** The Version Namespace should not be normally changed. Only
  *  host and firmware of the same WMI namespace will work