X-Git-Url: http://git.dolda2000.com/gitweb/?a=blobdiff_plain;f=gpio.c;h=5c1d7187a818a856c63d4cb373c98870cdf9fc90;hb=dbf61e61b53f747b6eb10f0732d7ddccff3d3289;hp=4b8222917cbf3680b11d765a81002a93aea38eab;hpb=0437debd3e86eb8b775212cf4f9602a97f5bdeb2;p=utils.git

diff --git a/gpio.c b/gpio.c
index 4b82229..5c1d718 100644
--- a/gpio.c
+++ b/gpio.c
@@ -122,7 +122,7 @@ static int getport(int p)
 
 static void usage(FILE *out)
 {
-    fprintf(out, "usage: gpio [-hip] PORT=VAL...\n");
+    fprintf(out, "usage: gpio [-hip] {PORT=VAL|PORT==VAL|PORT?}...\n");
 }
 
 int main(int argc, char **argv)