--- a/module/src/gpio-bb.c	Wed Dec 28 06:13:22 2016 +0000
+++ b/module/src/gpio-bb.c	Wed Dec 28 06:42:02 2016 +0000
@@ -162,7 +162,8 @@
 		goto error;
 
 	mask = gpio_bb_first(nbits);
-	*bits |= mask;
+	if (bit)
+		*bits |= mask;
 	gpio_bb_clock();
 
 	while (--nbits) {
@@ -196,7 +197,8 @@
 		goto error;
 
 	mask = gpio_bb_first(nbits);
-	*bits |= mask;
+	if (bit)
+		*bits |= mask;
 
 	while (--nbits) {
 		gpio_bb_clock();