--- a/rvinterf/tmsh/audiocmd.c	Wed Nov 22 18:52:47 2017 +0000
+++ b/rvinterf/tmsh/audiocmd.c	Wed Nov 22 19:08:38 2017 +0000
@@ -95,3 +95,26 @@
 	send_etm_cmd(cmdpkt, di - 1);
 	return(0);
 }
+
+cmd_auw_fir(argc, argv)
+	char **argv;
+{
+	u_char cmdpkt[67];
+	int rc;
+
+	cmdpkt[1] = ETM_AUDIO;
+	cmdpkt[2] = 'W';
+	if (!strcmp(argv[1], "ul"))
+		cmdpkt[3] = 5;	/* AUDIO_MICROPHONE_FIR */
+	else if (!strcmp(argv[1], "dl"))
+		cmdpkt[3] = 9;	/* AUDIO_SPEAKER_FIR */
+	else {
+		printf("error: first argument must be dl or ul\n");
+		return(ERROR_USAGE);
+	}
+	rc = read_fir_coeff_table(argv[2], cmdpkt + 4);
+	if (rc)
+		return(rc);
+	send_etm_cmd(cmdpkt, 65);
+	return(0);
+}