diff --git a/drivers/platform/x86/intel/speed_select_if/isst_if_common.c b/drivers/platform/x86/intel/speed_select_if/isst_if_common.c
index 0954a04623ed..cdf0501f4e4f 100644
--- a/drivers/platform/x86/intel/speed_select_if/isst_if_common.c
+++ b/drivers/platform/x86/intel/speed_select_if/isst_if_common.c
@@ -588,6 +588,7 @@ static long isst_if_def_ioctl(struct file *file, unsigned int cmd,
 	struct isst_if_cmd_cb cmd_cb;
 	struct isst_if_cmd_cb *cb;
 	long ret = -ENOTTY;
+	int i;
 
 	switch (cmd) {
 	case ISST_IF_GET_PLATFORM_INFO:
@@ -616,6 +617,16 @@ static long isst_if_def_ioctl(struct file *file, unsigned int cmd,
 		ret = isst_if_exec_multi_cmd(argp, &cmd_cb);
 		break;
 	default:
+		for (i = 0; i < ISST_IF_DEV_MAX; ++i) {
+			struct isst_if_cmd_cb *cb = &punit_callbacks[i];
+			int ret;
+
+			if (cb->def_ioctl) {
+				ret = cb->def_ioctl(file, cmd, arg);
+				if (!ret)
+					return ret;
+			}
+		}
 		break;
 	}
 
diff --git a/drivers/platform/x86/intel/speed_select_if/isst_if_common.h b/drivers/platform/x86/intel/speed_select_if/isst_if_common.h
index 967c338e83c5..34a172e5c82c 100644
--- a/drivers/platform/x86/intel/speed_select_if/isst_if_common.h
+++ b/drivers/platform/x86/intel/speed_select_if/isst_if_common.h
@@ -48,6 +48,8 @@
  *		response to user ioctl buffer. The "resume" argument
  *		can be used to avoid storing the command for replay
  *		during system resume
+ * @def_ioctl:	Default IOCTL handler callback, if there is no match in
+ *		the existing list of IOCTL handled by the common handler.
  *
  * This structure is used to register an handler for IOCTL. To avoid
  * code duplication common code handles all the IOCTL command read/write
@@ -58,8 +60,10 @@ struct isst_if_cmd_cb {
 	int registered;
 	int cmd_size;
 	int offset;
+
 	struct module *owner;
 	long (*cmd_callback)(u8 *ptr, int *write_only, int resume);
+	long (*def_ioctl)(struct file *file, unsigned int cmd, unsigned long arg);
 };
 
 /* Internal interface functions */