1 files changed, 6 insertions, 0 deletions
diff --git a/zaptel.h b/zaptel.h
index 175279f..ff3d06b 100755
--- a/zaptel.h
+++ b/zaptel.h
@@ -623,6 +623,12 @@ void	*data;
  */
 #define ZT_TONEDETECT _IOW (ZT_CODE, 91, int)
 
+
+/*
+ * Set polarity -- implemented by individual driver.  0 = forward, 1 = reverse
+ */
+#define	ZT_SETPOLARITY		_IOW (ZT_CODE, 92, int)
+
 /* 
  * Startup or Shutdown a span
  */